Electrical Knowhowhttp://www.electrical-knowhow.com/online electrical courses software books spreadsheets electrical design sound system design voltage, power transformer current voltage drop generator circuit breaker fuse cable wire power factor cad drawing nec nfpa short circuit over voltage switch receptacle light fixture lighting, grounding bonding earthing lightning raceway switchgear panel busbar automatic transfer switch demand factor capacitor resistance battery ampere horsepower watt switchboard single line diagram bill of quantitiesennoreply@blogger.com (Ali Hassan)Tue, 24 Apr 2018 14:05:15 PDTBlogger http://www.blogger.com47111000noreply@blogger.comnoonline electrical courses software books spreadsheets electrical design sound system design voltage, power transformer current voltage drop generator circuit breaker fuse cable wire power factor cad drawing nec nfpa short circuit over voltage switch recepElectricalKnowhowhttps://feedburner.google.comHow to Read and Interpret Single Line Diagram – Part Twohttp://www.electrical-knowhow.com/2018/02/how-to-read-and-interpret-single-line.htmlnoreply@blogger.com (Ali Hassan)Tue, 20 Feb 2018 21:50:11 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4459123717512235766
Today, we will explain the following:
Voltage Regulators Data,
Transformers Data,
Switchgear data.
Interpreting Single-Line
Diagram – Part Two
The interpretation of single-line diagrams
is explained in this section under the following major subject headings:
Informational Elements
Details Variations
Relationships between 0How to Read and Interpret Electrical Shop Drawings –Part Fourhttp://www.electrical-knowhow.com/2018/02/How-to-read-single-line-diagrams.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 Feb 2018 23:19:38 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5136833050223390493
Today, we will explain the following:
Basic Elements of Electrical Drawings,
Types of Electrical Drawings,
Single-Line /One-Line Diagram - Part one.
8- Basic
Elements of Electrical Drawings
An electrical drawing is a type of
technical drawing that shows information about power, lighting, and
communication for an engineering or 1How to Read and Interpret Electrical Shop Drawings –Part Threehttp://www.electrical-knowhow.com/2018/02/Comparison-Of-Electrical-Circuit-Symbols-IEEE-IEC.htmlnoreply@blogger.com (Ali Hassan)Sat, 03 Feb 2018 22:13:57 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7838608853296635613
Today, we will explain the Drafting Practices
Using Graphical Symbols and abbreviations.
4- Electrical
Symbols
Electrical symbol
An
Electrical symbol definition:
Electrical
symbol is a small picture or image called a pictogram
used to represent various electrical and electronic devices (such as wires,
batteries, resistors, and 0How to Read and Interpret Electrical Shop Drawings –Part Twohttp://www.electrical-knowhow.com/2018/01/ANSI-IEEE-IEC-BS-standard-for-electrical-symbols.htmlnoreply@blogger.com (Ali Hassan)Wed, 31 Jan 2018 01:10:30 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6833315477412943935
In
article “How to Read and Interpret Electrical Shop Drawings –Part One”, we gave a fast overview
for the articles/courses that give a preliminary explanation for the different Types of Electrical drawings.
Also we listed the
Electrical Drawings Glossary
which will be a reference for all the terms and expressions used throughout
this course.
Today, we will explain the Resources used to
Read0How to Read and Interpret Electrical Shop Drawings –Part Onehttp://www.electrical-knowhow.com/2018/01/read-and-interpret-electrical-shop-drawing.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 22:02:15 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4301916983103208408
1-
Introduction
This
is the second course for Electrical drawings after our first course “ED-1: Electrical Drawings Course”, Where we
explain the following points:
Reading an electrical drawing,
Basic layout of a drawing,
Types and sizes of drawings,
Numbering system for drawings,
Positioning parts on drawings,
How to create a 0Course: HVAC-2: Electrical Wiring Diagrams and Calculations for Air-Conditioning Systemshttp://www.electrical-knowhow.com/2018/01/Electrical-Wiring-Diagrams-and-Calculations-for-Air-Conditioning-Systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 08 Jan 2018 04:56:13 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2407370714942143111
Course Description:
This course is intended to prepare the
target persons with the ability to understand Wiring Diagrams for All Types of
HVAC systems and making the design calculations for disconnecting means,
cables, OCPD & sizing of motor-compressor controllers.
The target Persons:
Design engineers, new graduate
engineers, under graduate engineering students, site field engineers,
0Generators Sizing Calculations – Part Fourteenhttp://www.electrical-knowhow.com/2017/12/generators-sizing-calculations-part.htmlnoreply@blogger.com (Ali Hassan)Tue, 02 Jan 2018 02:50:30 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7079723250803404005
Today, we will explain Rules Of Thumb for Generators Sizing Calculations for
Existing and New Installations.
Fifth: Rules Of
Thumb For Generators Sizing Calculations
First:
Rules Of Thumb For Existing
Installations
In article “Generators
Sizing Calculations – Part Twelve”, We explain how to
calculate the peak load of 0Generators Sizing Calculations – Part Thirteenhttp://www.electrical-knowhow.com/2017/12/selecting-the-correct-generator-size.htmlnoreply@blogger.com (Ali Hassan)Wed, 27 Dec 2017 20:50:16 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8562925490425981341
Today, we will continue
explaining in detail the applicable procedures for Generators Sizing
Calculations for Existing and New Installations.
Fourth: Applicable Procedures For Generators Sizing
Calculations
In the previous Article “Generators
Sizing Calculations – Part Ten”, we list the required steps for generator set sizing
calculation0Generators Sizing Calculations – Part Twelvehttp://www.electrical-knowhow.com/2017/12/generator-loads-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 26 Dec 2017 21:10:19 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4366274011741068952
Today,
we will continue explaining in detail the applicable procedures for Generators
Sizing Calculations for Existing and New Installations.
Fourth: Applicable Procedures For Generators Sizing
Calculations
In the previous Article “Generators
Sizing Calculations – Part Ten”, we list the required steps for generator set sizing
calculation and we 0Generators Sizing Calculations – Part Elevenhttp://www.electrical-knowhow.com/2017/12/generators-sizing-calculations-steps.htmlnoreply@blogger.com (Ali Hassan)Tue, 26 Dec 2017 21:11:05 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2433780989325207930
Today, we will explain
in detail the applicable procedures for Generators Sizing Calculations for
Existing and New Installations.
Fourth: Applicable Procedures For Generators Sizing
Calculations
In the previous Article “Generators
Sizing Calculations – Part Ten”, we list the required steps for generator set sizing
calculation and we indicate that the 0Generators Sizing Calculations – Part Tenhttp://www.electrical-knowhow.com/2017/12/Introduction-to-Generators-Sizing-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 26 Dec 2017 21:13:00 PSTtag:blogger.com,1999:blog-6291466886522656194.post-198781733153339492
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators
Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators
Sizing Calculations – Part Two
First: Reasons
for having on-site generators
Second: Applicable performance standards for generator sets
Third: Selection Factors Used0Generators Sizing Calculations – Part Ninehttp://www.electrical-knowhow.com/2017/12/generators-sizing-per-method-of-loads-control.htmlnoreply@blogger.com (Ali Hassan)Tue, 12 Dec 2017 03:22:20 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5524294311359766803
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators
Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators
Sizing Calculations – Part Two
First: Reasons
for having on-site generators
Second: Applicable performance standards for generator sets
Third: Selection 0Generators Sizing Calculations – Part Eighthttp://www.electrical-knowhow.com/2017/12/generators-sizing-calculations-per-load-type.htmlnoreply@blogger.com (Ali Hassan)Sat, 09 Dec 2017 23:09:54 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2488933479654342669
Subject of Previous Article
Article
Glossary of Generators
– Part One
Generators Sizing Calculations – Part One
Glossary of Generators
– Part Two
Generators Sizing Calculations – Part Two
First: Reasons for
having on-site generators
Second: Applicable
performance standards for generator sets
Third: Selection
0Generators Sizing Calculations – Part Sevenhttp://www.electrical-knowhow.com/2017/12/loads-type-impact-on-generators-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Thu, 07 Dec 2017 02:46:08 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6135811135332403768
Subject of
Previous Article
Article
Glossary of Generators –
Part One
Generators
Sizing Calculations – Part One
Glossary of Generators – Part
Two
Generators
Sizing Calculations – Part Two
First: Reasons for having
on-site generators
Second: Applicable performance standards for 1Generators Sizing Calculations – Part Sixhttp://www.electrical-knowhow.com/2017/12/generators-voltage-frequency-dip-calculations.htmlnoreply@blogger.com (Ali Hassan)Mon, 04 Dec 2017 20:47:30 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6935192954570479484
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators Sizing Calculations – Part Two
First: Reasons for having on-site generators
Second: Applicable performance standards for generator sets
Third:0Generators Sizing Calculations – Part Fivehttp://www.electrical-knowhow.com/2017/12/generators-sizing-calculations-considerations.htmlnoreply@blogger.com (Ali Hassan)Sat, 02 Dec 2017 23:24:14 PSTtag:blogger.com,1999:blog-6291466886522656194.post-396340948720860003
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators Sizing Calculations – Part Two
First: Reasons for having on-site generators
Second: Applicable performance standards for 0Generators Sizing Calculations – Part Fourhttp://www.electrical-knowhow.com/2017/11/generators-sizing-calculations-selection-factors.htmlnoreply@blogger.com (Ali Hassan)Tue, 28 Nov 2017 20:41:07 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1133793514902990306
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators Sizing Calculations – Part Two
First: Reasons for having on-site generators
Second: Applicable performance standards for generator sets
0Generators Sizing Calculations – Part Threehttp://www.electrical-knowhow.com/2017/11/Selection-factors-for-Generators-Sizing-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 28 Nov 2017 03:14:12 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7811871780765865719
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
Glossary of Generators – Part Two
Generators Sizing Calculations – Part Two
Today, we will start explaining the Generator Sizing Calculations.
Generator
Sizing Calculations
1Generators Sizing Calculations – Part Twohttp://www.electrical-knowhow.com/2017/11/Glossary-generators-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Fri, 24 Nov 2017 20:04:21 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2008182399775264353
Today, we will continue the explanation of Glossary of
Generators to start explaining Generators Sizing Calculations later. In
the previous article “Generators Sizing Calculations – Part One” I indicate the First Part of Glossary
of Generators and now we will indicate the second part.
This glossary will help you to understand the technical
meaning for any term or expression which will 0Generators Sizing Calculations – Part Onehttp://www.electrical-knowhow.com/2017/11/generators-sizing-calculations-Glossary.htmlnoreply@blogger.com (Ali Hassan)Thu, 23 Nov 2017 04:29:49 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8234054935654525907
Today, we will start the explanation of Generator Sizing
Calculations and as usual we start by the glossary of all terms and expressions
that we will deal with through our explanation of Generator Sizing Calculations.
This glossary will help you to understand the technical
meaning for any term or expression which will facilitate your understanding for
the Generator Sizing Calculations.
Please0Power And Distribution Transformers Sizing Calculations – Part Ninehttp://www.electrical-knowhow.com/2017/11/Sizing-Transformers-with-Large-Motor-Loads.htmlnoreply@blogger.com (Ali Hassan)Wed, 22 Nov 2017 09:26:56 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3621649531364200402
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part One
Resources
used to calculate basic ratings of power and distribution transformers
Power and Distribution Transformers Sizing Calculations – Part Two
the selection
factors for the 0Power And Distribution Transformers Sizing Calculations – Part Eighthttp://www.electrical-knowhow.com/2017/11/Transformer-Sizing-Spreadsheet-Calculator.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Nov 2017 19:56:25 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7049689560503040353
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part One
Resources
used to calculate basic ratings of power and distribution transformers
Power and Distribution Transformers Sizing Calculations – Part Two
the selection
factors for the0Power And Distribution Transformers Sizing Calculations – Part Sevenhttp://www.electrical-knowhow.com/2017/11/k-Factor-Transformers-Sizing-Calculations.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Nov 2017 20:57:24 PSTtag:blogger.com,1999:blog-6291466886522656194.post-41254236808880199
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part One
Resources
used to calculate basic ratings of power and distribution transformers
Power and Distribution Transformers Sizing Calculations – Part Two
the selection
factors for0Power And Distribution Transformers Sizing Calculations – Part Sixhttp://www.electrical-knowhow.com/2017/11/Paralleled-Transformers-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Sun, 12 Nov 2017 22:02:32 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5970415109592838096
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part One
Resources used
to calculate basic ratings of power and distribution transformers
Power and Distribution Transformers Sizing Calculations – Part Two
the selection
factors for0Power And Distribution Transformers Sizing Calculations – Part Fivehttp://www.electrical-knowhow.com/2017/11/transformers-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Sat, 11 Nov 2017 04:25:19 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5032672683598125185
In Article “Power and Distribution Transformers sizing calculations – part One”, we indicate that the contents of
our articles for Power and Distribution Transformers sizing calculations will
include the following points:
Glossary of Sizing Power and Distribution Transformers,
Power and distribution transformer components,
Power and distribution transformer classification: 0Power And Distribution Transformers Sizing Calculations – Part Fourhttp://www.electrical-knowhow.com/2017/11/power-and-distribution-transformers-sizing-steps.htmlnoreply@blogger.com (Ali Hassan)Sat, 11 Nov 2017 04:33:21 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4756546482582185749
In Article “Power and Distribution Transformers Sizing Calculations – Part One”, we indicate that the contents of
our articles for Power and Distribution Transformers sizing calculations will
include the following points:
Glossary of Sizing Power and Distribution Transformers,
Power and distribution transformer components,
Power and distribution transformer classification: 0Power and Distribution Transformers Sizing Calculations – Part Threehttp://www.electrical-knowhow.com/2017/11/sizing-power-and-distribution-transformers.htmlnoreply@blogger.com (Ali Hassan)Mon, 06 Nov 2017 03:55:41 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3194643682628792090
In Article “Power and Distribution Transformers sizing calculations – part One”, we indicate that the contents of
our articles for Power and Distribution Transformers sizing calculations will
include the following points:
Glossary of Sizing Power and Distribution Transformers,
Power and distribution transformer components,
Power and distribution transformer classification: 0Power and Distribution Transformers sizing calculations – part Twohttp://www.electrical-knowhow.com/2017/11/power-and-distribution-transformers-calculations.htmlnoreply@blogger.com (Ali Hassan)Sat, 04 Nov 2017 09:33:08 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5391792433226409491
In Article “Power and Distribution Transformers sizing calculations – part One”, we indicate
that the
contents of our articles for Power and Distribution Transformers sizing
calculations will include the following points:
Glossary of Sizing Power and Distribution Transformers,
Power and distribution transformer components,
Power and distribution transformer classification: 1Building Services Handbookhttp://www.electrical-knowhow.com/2017/11/building-services-handbook.htmlnoreply@blogger.com (Ali Hassan)Mon, 06 Nov 2017 10:46:41 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2925374346605909055
Building Services Handbook
Building Services Handbook
This book is very important to the
electrical engineers to be familiar with all the building services that he can
deal with them inside any building. Most of these systems are mechanical system
which will need power for operation. The expert engineer must be aware of the
components of these systems and its general theory of 0Power and Distribution Transformers Sizing Calculations – Part Onehttp://www.electrical-knowhow.com/2017/11/power-and-distribution-transformers-sizing-calculations.htmlnoreply@blogger.com (Ali Hassan)Wed, 01 Nov 2017 23:51:35 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5195897595995871346
Power
and Distribution Transformers Sizing Calculations – part one
Today, we will start explaining
the Power and Distribution Transformers sizing calculations in details and I’d
like to from all of you to review our course “EP-3: Electrical Procurement – Transformers Course” to be more familiar with the
contents of our new articles about the Power and Distribution Transformers
sizing 0Electrical estimator's manualhttp://www.electrical-knowhow.com/2017/11/electrical-estimators-manual.htmlnoreply@blogger.com (Ali Hassan)Mon, 06 Nov 2017 10:47:43 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3668562270583430177
Electrical
estimator's manual
Electrical estimator's manual
Why You must have this Book:
It teaches you, How to estimate electrical construction projects, including everyday labor installation rates.
The contents of this book have been designed in such a way that electrical instructors, electricians, electrical engineers, architects, blueprint readers, etc. can draw some benefit0ABB’s Electrical installation handbookshttp://www.electrical-knowhow.com/2017/11/abb-electrical-installation-handbooks.htmlnoreply@blogger.com (Ali Hassan)Mon, 06 Nov 2017 10:49:00 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4867208299825671152
ABB’s Electrical installation handbooks
Note: Please, Click on the book Name for
Downloading or for Opening a Sub-List in new Page
ABB’s Electrical installation handbooks
1-
Electrical installation handbook- Volume 1: Protectionand control devices
2- Electrical
installation handbook- Volume 2: Electricaldevices
Scope
and objectives
The 0Electrical Water Heaters Power Rating Calculations – Part Twohttp://www.electrical-knowhow.com/2015/07/Design-Methodology-of-Electrical-Water-Heaters.htmlnoreply@blogger.com (Ali Hassan)Mon, 27 Jul 2015 11:46:27 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4019985897487515957This is the second Article for helping designers to choose the appropriate type and calculate the required power rating for the chosen type of Electrical Water Heater.In the first Article " Electrical Water Heaters Power Rating Calculations – Part One", we gave you a brief about the following points:
Hot Water System Components,
Different types of Water Heaters used in domestic and commercial 5Electrical Water Heaters Power Rating Calculations – Part Onehttp://www.electrical-knowhow.com/2015/07/electrical-water-heaters-power-rating-calculations.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jul 2015 02:24:47 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8571995820602343292Most Domestic and commercial buildings need a service hot water system. Depending upon the type of building, this system could range from as small as an under sink water heater for washing hands to a 10,000 gallon hot water storage tank system used in a hospital laundry.This Article is intended to help designers to choose the appropriate type and calculate the required power rating for thee 2Electrical Rules and Calculations for Air-Conditioning Systems – Part Fivehttp://www.electrical-knowhow.com/2014/06/Sizing-of-Disconnecting-means-for-Motors-and-HVAC-Motor-Compressors.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:16:17 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1151636350305150217
I explained some of the Electrical Rules and Calculations for Air-Conditioning Systems in the following Articles:
Topic
Article
Introduction for Air-Conditioning Systems Types,
Introduction for
Types of Motors/Compressors used in Air-Conditioning Systems.
Electrical Rules and Calculations for Air-Conditioning Systems – Part One
Types of Disconnecting 7Electrical Rules and Calculations for Air-Conditioning Systems – Part Fourhttp://www.electrical-knowhow.com/2014/06/Locating-Disconnecting-means-for-Motors.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:14:36 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2730520618878665403
In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems
And in Article " 0Electrical Rules and Calculations for Air-Conditioning Systems – Part Threehttp://www.electrical-knowhow.com/2014/06/Identification-and-Marking-of-Disconnecting-Means.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:13:21 PSTtag:blogger.com,1999:blog-6291466886522656194.post-979861145908720326
In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems
And in Article " 0Electrical Rules and Calculations for Air-Conditioning Systems – Part Twohttp://www.electrical-knowhow.com/2014/06/Types-of-Disconnecting-Means-for-Air-Conditioning-Systems.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:12:24 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1745894921757054801In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems
And in Article " 0Electrical Wiring Diagrams for Air Conditioning Systems – Part Threehttp://www.electrical-knowhow.com/2014/05/Field-Electrical-Wiring-for-Chillers-and-AHU.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:11:28 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6050223141461206128
In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types,
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems.
And in Article " 1Electrical Wiring Diagrams for Air Conditioning Systems – Part Twohttp://www.electrical-knowhow.com/2014/05/electrical-wiring-diagrams-for-air-conditioning.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:10:06 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3193511347676273481
In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types,
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems.
And in Article " 2Electrical Wiring Diagrams for Air Conditioning Systems – Part Onehttp://www.electrical-knowhow.com/2014/05/How-to-read-Electrical-Wiring-Diagrams.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:08:07 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6526601585547399269In Article " Electrical Rules and Calculations for Air-Conditioning Systems – Part One ", which was the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, I explained the following points:
Introduction for Air-Conditioning Systems Types,
Introduction for Types of Motors/Compressors used in Air-Conditioning Systems,
Today, I will explain 3Electrical Rules and Calculations for Air-Conditioning Systems – Part Onehttp://www.electrical-knowhow.com/2014/05/electrical-rules-and-calculations-for-Air-Conditioning-Systems.htmlnoreply@blogger.com (Ali Hassan)Sun, 28 Jan 2018 23:07:20 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5246515793722875180This is the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, which will list, explain, and discuss with examples all the topics covering the Electrical Rules and Calculations for Air-Conditioning Systems which will include but not limited to the following points:
Introduction for Air-Conditioning Systems types,
Introduction for Types of 8Course Lightning-2: Lightning Protection System Design and Calculationshttp://www.electrical-knowhow.com/2014/05/Lightning-Protection-System-Design-and-Calculations-Course.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 22:57:27 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3782786667871056636Course Description: This course is intended to prepare the targeted persons with the following:
Knowing the steps of Lightning Protection System Design Process,
Knowing the definitions of Main Terms in Lightning Protection System Design Process,
Knowing IEC 62305-2 method of Risk Assessment Study,
Knowing NFPA 780 method of Risk Assessment Study,
Knowing Software Method For Performing The Risk 5Course Lightning-1: Introduction to Lightning Protection System Designhttp://www.electrical-knowhow.com/2014/05/introduction-to-Lightning-Protection-System-Design-course.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:44:00 PDTtag:blogger.com,1999:blog-6291466886522656194.post-1301580169162273581
Course Description:
This course is intended to prepare the targeted persons with the following:
Knowing Lightning and Surge protection terminology, Abbreviations, Signs and Symbols,
Knowing what is lightning and types of Lightning Flashes,
Knowing what is the Lightning Protection Systems LPS, types and components,
Knowing The Correct Choice Of Lightning Protection system Components,
Knowing 0Design Calculations of Lightning Protection Systems – Part Twentyhttp://www.electrical-knowhow.com/2014/05/Calculation-Of-The-Number-Of-Down-Conductors.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:37:57 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8438952364452782237
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in below Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in Article " Design Calculations of Lightning Protection Systems – Part Two "
1Design Calculations of Lightning Protection Systems – Part Nineteenhttp://www.electrical-knowhow.com/2014/05/Recommendations-for-the-Best-Positioning-of-Air-Terminals.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:35:28 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5270019064667903049
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in below Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in Article " Design Calculations of Lightning Protection Systems – Part Two "
0Design Calculations of Lightning Protection Systems – Part Eighteenhttp://www.electrical-knowhow.com/2014/05/Protection-Angle-and-Mesh-Lightning-Design-Methods.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:34:47 PDTtag:blogger.com,1999:blog-6291466886522656194.post-9123831156562474857
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in below Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in Article " Design Calculations of Lightning Protection Systems – Part Two "
0Design Calculations of Lightning Protection Systems – Part seventeenhttp://www.electrical-knowhow.com/2014/05/Rolling-Sphere-Method-for-Lightning-Protection-Design.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:34:07 PDTtag:blogger.com,1999:blog-6291466886522656194.post-2088994301345694010
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in below Fig.
The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in Article " Design Calculations of Lightning Protection Systems – Part Two "
0Design Calculations of Lightning Protection Systems – Part Sixteenhttp://www.electrical-knowhow.com/2014/05/Sizing-and-Positioning-of-Lightning-Air-Terminals.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:33:22 PDTtag:blogger.com,1999:blog-6291466886522656194.post-6173712982708813097
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in Article " Design Calculations of Lightning Protection Systems – Part Two "
0Design Calculations of Lightning Protection Systems – Part Fifteenhttp://www.electrical-knowhow.com/2014/04/Selection-Of-External-LPS-Type-and-Material.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:32:47 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8968492039756203865
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In above 0Design Calculations of Lightning Protection Systems – Part Fourteenhttp://www.electrical-knowhow.com/2014/04/Online-Calculators-Need-for-Lightning-Protection.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:32:09 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5222742281073334927In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In above Article, 1Design Calculations of Lightning Protection Systems – Part Thirteenhttp://www.electrical-knowhow.com/2014/04/IEC62305-NFPA780-Need-for-Lightning-Protection-Excel-Sheets.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:31:29 PDTtag:blogger.com,1999:blog-6291466886522656194.post-7056063691364396917
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In above 3Design Calculations of Lightning Protection Systems – Part Twelvehttp://www.electrical-knowhow.com/2014/03/Riesgo-Software-For-Performing-The-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:30:31 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4426121154730269010
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In above 0Design Calculations of Lightning Protection Systems – Part Elevenhttp://www.electrical-knowhow.com/2014/03/RAPAL-Software-for-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:29:28 PDTtag:blogger.com,1999:blog-6291466886522656194.post-6201718915476752253
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In above 0Design Calculations of Lightning Protection Systems – Part Tenhttp://www.electrical-knowhow.com/2014/03/StrikeRisk-Software-for-Lightning-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:26:54 PDTtag:blogger.com,1999:blog-6291466886522656194.post-6770939241001869376
In Article " Design Calculations of Lightning Protection Systems – Part Two ", I indicated the lightning protection design process involves a number of design steps as in Fig.1.
Fig.1: The Lightning Protection Design Process
Step#1: Characteristics of the Structure to Be Protected
Explained in above Article
Step#2: Risk Assessment Study
Also, In 0Design Calculations of Lightning Protection Systems – Part Ninehttp://www.electrical-knowhow.com/2014/03/NFPA-780-Steps-of-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:26:12 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8894404738414922318
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For Lightning Protection Systems
The design process of lightning protection systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. 0Design Calculations of Lightning Protection Systems – Part Eighthttp://www.electrical-knowhow.com/2014/03/NFPA-780-Detailed-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:25:34 PDTtag:blogger.com,1999:blog-6291466886522656194.post-750483185213492086
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For Lightning Protection Systems
The design process of lightning protection systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. 0Design Calculations of Lightning Protection Systems – Part Sevenhttp://www.electrical-knowhow.com/2014/03/Calculations-of-Risk-Assessment-Study-as-per-NFPA-780.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:24:29 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3809434580021790939
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For Lightning Protection Systems
The design process of lightning protection systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. 0Design Calculations of Lightning Protection Systems – Part Sixhttp://www.electrical-knowhow.com/2014/03/Calculations-for-Amount-of-Lightning-Consequent-Loss.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:23:41 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3403531883220519768
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For Lightning Protection Systems
The design process of lightning protection systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. 0Design Calculations of Lightning Protection Systems – Part Fivehttp://www.electrical-knowhow.com/2014/03/Calculations-of-probability-of-damage-to-structure.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:22:57 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5848808455619394885
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For Lightning Protection Systems
The design process of lightning protection systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. 0Design Calculations of Lightning Protection Systems – Part Fourhttp://www.electrical-knowhow.com/2014/03/Calculations-Of-Number-Of-Dangerous-Lightning-Events.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:22:07 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3657178476142891268
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For
Lightning Protection Systems
The design process of lightning protection systems is
commonly broken into discrete phases, allowing the lightning protection designer to present an
integrated design 0Design Calculations of Lightning Protection Systems – Part Threehttp://www.electrical-knowhow.com/2014/02/Identification-of-the-Lightning-Protection-Risk-Components.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:21:04 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4823996067503631715
In Article " Design Process for Lightning Protection Systems ", I indicated the (3) phases of the Design Process for Lightning Protection Systems as follows:
Design Process For
Lightning Protection Systems
The design process of lightning protection systems is
commonly broken into discrete phases, allowing the lightning protection designer to present an
integrated 0Design Calculations of Lightning Protection Systems – Part Twohttp://www.electrical-knowhow.com/2014/02/Methods-Of-Calculations-For-Risk-Assessment-Study.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:18:56 PDTtag:blogger.com,1999:blog-6291466886522656194.post-7451925418489153771In Article " Design Process for Lightning Protection Systems ", I indicated that the Design Process for Lightning Protection Systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. These phases can be listed as follows:
Planning phase,
Consultation phase,
Detailed Design phase.
Also, in Article " Design Calculations 1Design Calculations of Lightning Protection Systems – Part Onehttp://www.electrical-knowhow.com/2014/02/Introduction-to-Design-Calculations-of-Lightning-Protection-Systems.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:17:54 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4203316848287766328In Article " Design Process for Lightning Protection Systems ", I indicated that the Design Process for Lightning Protection Systems is commonly broken into discrete phases, allowing the lightning protection designer to present an integrated design package. These phases can be listed as follows:
Planning phase,
Consultation phase,
Detailed Design phase.
Today, I will explain Design 0Design Process For Lightning Protection Systemshttp://www.electrical-knowhow.com/2014/02/Design-Process-For-Lightning-Protection-Systems.htmlnoreply@blogger.com (Ali Hassan)Tue, 13 May 2014 23:16:55 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8381220277286183175
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems.
And, I explained the Conventional Lightning Protection System parts and components in the following Articles:
Conventional Lightning Protection System Components – Part One
Conventional Lightning Protection System Components – Part Two
Conventional Lightning Protection 0Non-Conventional Lightning Protection System – Part Sixhttp://www.electrical-knowhow.com/2014/02/Arguments-against-Claimed-Advantages-for-Dissipation-Array-System.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:05:34 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3449121695148118009
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Non-Conventional Lightning Protection System – Part Fivehttp://www.electrical-knowhow.com/2014/02/Typical-Designs-of-Dissipation-Array-Systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:04:53 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5845447103848701399
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Non-Conventional Lightning Protection System – Part Fourhttp://www.electrical-knowhow.com/2014/02/Design-Considerations-for-Dissipation-Array-Systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:04:02 PDTtag:blogger.com,1999:blog-6291466886522656194.post-1769664583604988475
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Non-Conventional Lightning Protection System – Part Threehttp://www.electrical-knowhow.com/2014/02/Types-of-Dissipation-Array-Lightning-System.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:03:10 PDTtag:blogger.com,1999:blog-6291466886522656194.post-6377265240779159281
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Non-Conventional Lightning Protection System – Part Twohttp://www.electrical-knowhow.com/2014/02/Charge-Transfer-Lightning-Protection-System.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:02:09 PDTtag:blogger.com,1999:blog-6291466886522656194.post-1176055868480387739
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Non-Conventional Lightning Protection System – Part Onehttp://www.electrical-knowhow.com/2014/02/The-Early-Streamer-Emission-Air-Terminals.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 23:01:06 PDTtag:blogger.com,1999:blog-6291466886522656194.post-5464744759496586784
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Conventional Lightning Protection System Components – Part Sevenhttp://www.electrical-knowhow.com/2014/02/Separation-Distance-Calculation-for-Lightning-Protection-Systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:59:41 PDTtag:blogger.com,1999:blog-6291466886522656194.post-2316601784936562309
In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which 0Conventional Lightning Protection System Components – Part Sixhttp://www.electrical-knowhow.com/2014/01/Internal-Lightning-Protection-System.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:58:12 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3078788979774788771In Article " Types Of Lightning Protection Systems LPS ", I list the main types of Lightning Protection Systems as follows:
Types of Lightning Protection Systems LPS
Lightning protection systems for buildings and installations may be divided into three principal types as follows:
1- LPS for Protection for buildings and installations against direct strike by lightning, which includes:
0Conventional Lightning Protection System Components – Part Fivehttp://www.electrical-knowhow.com/2014/01/Earthing-Termination-Systems-for-Lightning-Systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:57:29 PDTtag:blogger.com,1999:blog-6291466886522656194.post-3621169731994324639In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning flashes?
What is the shape of The Lightning Waveform?
How Lightning strikes can affect the electrical 0Conventional Lightning Protection System Components – Part Fourhttp://www.electrical-knowhow.com/2014/01/Lightning-Natural-Down-Conductors.htmlnoreply@blogger.com (Ali Hassan)Sat, 25 Jan 2014 02:52:43 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5948011825322409018
In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning flashes?
What is the shape of The Lightning Waveform?
How Lightning strikes can affect the 0Conventional Lightning Protection System Components – Part Threehttp://www.electrical-knowhow.com/2014/01/Correct-Choice-Of-Lightning-Protection-Components.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:56:40 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4392406701248739739
In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning flashes?
What is the shape of The Lightning Waveform?
How Lightning strikes can affect the 0Conventional Lightning Protection System Components – Part Twohttp://www.electrical-knowhow.com/2014/01/Lightning-Protection-System-Components.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:55:46 PDTtag:blogger.com,1999:blog-6291466886522656194.post-8095687701714599941In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning flashes?
What is the shape of The Lightning Waveform?
How Lightning strikes can affect the 0Conventional Lightning Protection System Components – Part Onehttp://www.electrical-knowhow.com/2014/01/Conventional-Lightning-Protection-System-Components.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:54:43 PDTtag:blogger.com,1999:blog-6291466886522656194.post-2764982423150893296In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning flashes?
What is the shape of The Lightning Waveform?
How Lightning strikes can affect the electrical0Types Of Lightning Protection Systems LPShttp://www.electrical-knowhow.com/2014/01/types-of-lightning-protection-systems.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:52:26 PDTtag:blogger.com,1999:blog-6291466886522656194.post-7191781806897066446In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field and which will be used throughout Course EE-5: Lightning Protection Systems Design Calculations.Also, in Article " Introduction to Lightning System Design- Part Two ", I answered the following questions:
What is Lightning?
What are the types of Lightning 0Introduction to Lightning Protection System Design- Part Twohttp://www.electrical-knowhow.com/2014/01/Introduction-to-Lightning-Protection-System-Design.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:51:40 PDTtag:blogger.com,1999:blog-6291466886522656194.post-4644327194082579256In Article " Introduction to Lightning System Design- Part One ", I listed all terms, abbreviations and Symbols used in lightning field and which will be used throughout Course EE-5: Lightning Design Calculations.Today, I will continue explaining the introduction to Lightning Protection System Design.
What is Lightning?
Lightning is the visible discharge of static electricity0Introduction to Lightning System Design- Part Onehttp://www.electrical-knowhow.com/2014/01/introduction-to-lightning-system-design.htmlnoreply@blogger.com (Ali Hassan)Mon, 12 May 2014 22:51:01 PDTtag:blogger.com,1999:blog-6291466886522656194.post-7728770961084136907
This is the first Article in this course; Lightning Design Calculations, and of course we must begin with knowing all terms, abbreviations and Symbols used in lightning field and which will be used throughout this course.First: Lightning and Surge protection terminology
A
Air
Termination
Shall
mean that part of a lightning protection system designed to capture the
0Course EE-5: Grounding System Design Calculationshttp://www.electrical-knowhow.com/2014/01/course-ee-5-grounding-system-design.htmlnoreply@blogger.com (Ali Hassan)Wed, 08 Jan 2014 22:09:35 PSTtag:blogger.com,1999:blog-6291466886522656194.post-70815759844287854631- Course Description:
This course is intended to prepare the target persons with the ability to perform all electrical grounding system design for Domestic, Commercial and Industrial Facilities and AC Substations. 2- The targeted Persons:
Design engineers, new graduate engineers, under graduate engineering students, site field engineers, maintenance engineers and technicians.
3- Skills3Grounding Design Calculations – Part Seventeenhttp://www.electrical-knowhow.com/2014/01/Excel-Spreadsheet-For-Grounding-System-Design-Calculations-Of-AC-Substation.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:55:41 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2147039818214070517
In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design Calculations according to type of the building
The procedures for performing the Grounding System Design Calculations can differ slightly according to the type of the building as follows:
Domestic, commercial and industrial premises,
High and medium voltage 1Grounding Design Calculations – Part Sixteenhttp://www.electrical-knowhow.com/2014/01/Final-Design-for-AC-Substations-Grounding-System.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:54:03 PSTtag:blogger.com,1999:blog-6291466886522656194.post-641665077971985172
In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design Calculations according to type of the building
The procedures for performing the Grounding System Design Calculations can differ slightly according to the type of the building as follows:
Domestic, commercial and industrial premises,
High and medium voltage 0Grounding Design Calculations – Part Fifteenhttp://www.electrical-knowhow.com/2014/01/Calculation-of-Maximum-Ground-Potential-Rise-Mesh-and-Step-Voltage.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:50:38 PSTtag:blogger.com,1999:blog-6291466886522656194.post-96733185501059417
In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design Calculations according to type of the building
The procedures for performing the Grounding System Design Calculations can differ slightly according to the type of the building as follows:
Domestic, commercial and industrial premises,
High and medium voltage 0Grounding Design Calculations – Part Fourteenhttp://www.electrical-knowhow.com/2013/12/Calculation-Of-Maximum-Grid-Fault-Current.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:48:51 PSTtag:blogger.com,1999:blog-6291466886522656194.post-423872647026409296
In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design
Calculations according to type of the building
The procedures for performing the Grounding System Design
Calculations can differ slightly according to the type of the building
as follows:
Domestic, commercial and industrial
premises,
High and medium 0Grounding Design Calculations – Part Thirteenhttp://www.electrical-knowhow.com/2013/12/Substation-Grid-Resistance-Calculations.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:47:15 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4254570925976279470In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design
Calculations according to type of the building
The procedures for performing the Grounding System Design
Calculations can differ slightly according to the type of the building
as follows:
Domestic, commercial and industrial
premises,
High and medium voltage 0Grounding Design Calculations – Part Twelvehttp://www.electrical-knowhow.com/2013/12/Design-Steps-of-Preliminary-Grounding-System-For-AC-Substations.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:46:27 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2145273648361302639In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design
Calculations according to type of the building
The procedures for performing the Grounding System Design
Calculations can differ slightly according to the type of the building
as follows:
Domestic, commercial and industrial
premises,
High and medium voltage 0Grounding Design Calculations – Part Elevenhttp://www.electrical-knowhow.com/2013/12/Calculation-of-the-Maximum-allowable-Touch-and-Step-Voltages.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:43:44 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7331285896427429715In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design
Calculations according to type of the building
The procedures for performing the Grounding System Design
Calculations can differ slightly according to the type of the building
as follows:
Domestic, commercial and industrial
premises,
High and medium voltage0Grounding Design Calculations – Part Tenhttp://www.electrical-knowhow.com/2013/12/Earthing-Grid-Conductor-Sizing-for-AC-Substation.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:42:24 PSTtag:blogger.com,1999:blog-6291466886522656194.post-19468918080920053In Article " Grounding Design Calculations – Part One ", I indicated the following:
Grounding System Design
Calculations according to type of the building
The procedures for performing the Grounding System Design
Calculations can differ slightly according to the type of the building
as follows:
Domestic, commercial and industrial
premises,
High and medium voltage 1EE-4: Basic Electrical design course – Level IIIhttp://www.electrical-knowhow.com/2013/12/Basic-Electrical-design-course-Level-III.htmlnoreply@blogger.com (Ali Hassan)Thu, 19 Dec 2013 03:26:43 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3321961620405971283Course Description:This third level design course is intended to prepare the target persons with the ability to perform the following electrical design calculations:
Over current Protection Calculations,
Conductor Ampacity Calculation,
Voltage Drop Calculations.
The targeted Persons: Design engineers, New graduate engineers, under graduate engineering students. Skills Development: On 0Grounding Design Calculations – Part Ninehttp://www.electrical-knowhow.com/2013/12/Software-Programs-for-Grounding-Design-Calculation.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:40:27 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4638800203401702616I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing 0Grounding Design Calculations – Part Eighthttp://www.electrical-knowhow.com/2013/12/online-grounding-calculations-calculators.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:39:32 PSTtag:blogger.com,1999:blog-6291466886522656194.post-316097850438419094I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing 0Grounding Design Calculations – Part Sevenhttp://www.electrical-knowhow.com/2013/12/Online-Earthing-Calculators-Method.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:38:37 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6835533258253020046 I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
0Grounding Design Calculations – Part Sixhttp://www.electrical-knowhow.com/2013/12/Grounding-Conductor-Sizing-by-NEC-Article-250.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:37:55 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1948375029359115806I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
1Grounding Design Calculations – Part Fivehttp://www.electrical-knowhow.com/2013/12/Earthing-Conductor-Sizing-BS7671.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:36:59 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1293371262716147178 I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing0Grounding Design Calculations – Part Fourhttp://www.electrical-knowhow.com/2013/12/Grounding-System-Design-Calculations-Excel-Spreadsheets.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:36:19 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3671505231106461564I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing 0Grounding Design Calculations – Part Threehttp://www.electrical-knowhow.com/2013/11/Nomographs-for-Grounding-Design-Calculations.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:35:43 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8053367031035033966 I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing 0Grounding Design Calculations – Part Twohttp://www.electrical-knowhow.com/2013/11/Grounding-Resistance-Design-Examples.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:35:05 PSTtag:blogger.com,1999:blog-6291466886522656194.post-781924815043417856
I indicated that the Earthing Systems Design Steps process has (3) main steps:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
1Properties of Conductorshttp://www.electrical-knowhow.com/2013/11/properties-of-conductors.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7622843059614291649In the previous Article," Introduction to Conductor Inspection ", I listed all the important terms and their definitions in one complete glossary.Today, I will explain the different Properties of Conductors as follows. 3- Properties of Conductors The fundamental concern of power cable engineering is to transmit current (power) economically and efficiently. The choice of the conductor material, 0Grounding Design Calculations – Part Onehttp://www.electrical-knowhow.com/2013/11/Grounding-Design-Calculations-Part-One.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:34:29 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3094181096353670972I indicated that the Earthing Systems Design Steps process has (3) main steps::
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection in the following Articles:
Earthing Systems Design steps – Part One
Earthing1Introduction to Fluorescent and Incandescent Light Fixtures Inspectionhttp://www.electrical-knowhow.com/2013/11/introduction-to-fluorescent-and.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-80428933124663691751- IntroductionIn this course you will learn:How to inspect fluorescent lighting fixtures and incandescent lighting fixtures (Fig.1),How to identify the correct fixture to be inspected,How to verify that the fixture is properly installed,How to document your inspection results.This course will reference the National Electric Code (NEC) and Underwriters Laboratory (UL) documents. Fig.1: 0Earthing Systems Design Steps – Part Eighthttp://www.electrical-knowhow.com/2013/11/Equipment-grounding-and-bonding.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:33:44 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7193806046950040277
In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data 0Introduction to Conductor Inspectionhttp://www.electrical-knowhow.com/2013/11/introduction-to-conductor-inspection.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-44939562821719383691- IntroductionConductors are one of the most important parts of an electrical system. The conductor serves as the highway or path of the electric current. It is essential for this path to be free of obstruction. A damaged conductor can be a hazard to the electrical circuit, to equipment, and to human life.In this course, the electrical inspector will learn:How to identify conductor color 0Earthing Systems Design steps – Part Sevenhttp://www.electrical-knowhow.com/2013/11/Bonding-of-Interior-Metal-Columns-and-Beams.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:33:08 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3828428811082040943In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data 0Course CAB-1: Inspect Conductorshttp://www.electrical-knowhow.com/2013/11/course-cab-1-inspect-conductors.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5394463171846611864CAB-1: Conductors Inspection CourseCourse Description: This course is intended to prepare the target persons with the ability to inspect Conductors, wires and cables according to applicable standards. The target Persons:Design engineers, new graduate engineers, under graduate engineering students, site field engineers, maintenance engineers and technicians. Skills Development: On completion of0Earthing Systems Design steps – Part Sixhttp://www.electrical-knowhow.com/2013/11/metal-piping-and-structure-bonding.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:32:32 PSTtag:blogger.com,1999:blog-6291466886522656194.post-9022631828565049229In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data Collection.
0Earthing Systems Design steps – Part Fivehttp://www.electrical-knowhow.com/2013/11/electrical-service-grounding.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:31:36 PSTtag:blogger.com,1999:blog-6291466886522656194.post-487797107316062057In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data 0Review for Course WR-2: Inspect Conduits, Junction and Pull Boxeshttp://www.electrical-knowhow.com/2013/11/review-for-course-wr-2-inspect-conduits.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-9030483000557129726Today, I will make a Review for Course WR-2: Inspect Conduits, Junction and Pull Boxes as follows. You can review the following articles in the same course for more information: Types of Electrical ConduitsConduit Fittings and SupportsElectrical Boxes - Part OneElectrical Boxes – Part TwoElectrical Boxes Volume and Fill CalculationsConduit Fill CalculationsHow to inspect electrical conduits and 0How To Inspect Electrical Conduits and Boxes http://www.electrical-knowhow.com/2013/06/how-to-inspect-electrical-conduits-and.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5632648856469220724In Article " Conduit Fill Calculations ", I explained the following items:Conduit Sizes Designations,Tables used for Conduit Fill Calculations.Also, In Article " Electrical Boxes Volume and Fill Calculations ", I explained the following items:NEC 314.16 Part (A): Box Volume Calculations,NEC 314.16 Part (B): Box Fill Calculations,NEC 314.16 Part (C): Conduit Bodies. Today, I will explain How to 1Earthing Systems Design Steps – Part Fourhttp://www.electrical-knowhow.com/2013/06/earthing-systems-design-steps-part-four.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:30:49 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8497945462840016052In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data 0Conduit Fill Calculationshttp://www.electrical-knowhow.com/2013/06/conduit-fill-calculations.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2494936477195690184In Article " Electrical Boxes Volume and Fill Calculations ", I explained the following items:NEC 314.16 Part (A): Box Volume Calculations,NEC 314.16 Part (B): Box Fill Calculations,NEC 314.16 Part (C): Conduit Bodies.Today, I will explain Conduit Fill Calculations as follows.You can review the following articles in the same course for more information: Types of Electrical Conduits Conduit 0Earthing Systems Design steps – Part Threehttp://www.electrical-knowhow.com/2013/06/earthing-systems-design-steps-part-three.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:29:54 PSTtag:blogger.com,1999:blog-6291466886522656194.post-450898282222563699In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
In the above Article and Article " Earthing Systems Design steps – Part Two ", I explained the first step: Data Collection 0Electrical Boxes Volume and Fill Calculationshttp://www.electrical-knowhow.com/2013/06/electrical-boxes-volume-and-fill.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5481435422185129404In Article " Electrical Boxes – Part Two ", I explained the following items:Device boxes, Pull and junction boxes,Sizing of Junction and pull boxes according to NEC Section 314-28.Today, I will explain Electrical Boxes Volume and Fill Calculations as follows. You can review the following articles in the same course for more information: Types of Electrical Conduits Conduit Fittings and Supports 0Earthing Systems Design steps – Part Twohttp://www.electrical-knowhow.com/2013/06/How-to-perform-Soil-Resistivity-Test.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:29:18 PSTtag:blogger.com,1999:blog-6291466886522656194.post-320345289627683443In Article " Earthing Systems Design steps – Part One ", I indicated the following points:
Earthing Systems Design
Steps
A grounding system design process has (3) main steps:
Data
Collection,
Data
Analysis,
Grounding
Design Calculations.
And I explained the first step: Data Collection which includes the following points:
First Step: Data
0Earthing Systems Design steps – Part Onehttp://www.electrical-knowhow.com/2013/06/earthing-systems-design-steps-part-one.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:28:39 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3783318506373052690In Article " Electrical Properties of the Earthing System ", I indicated that the electrical properties of earthing system depend essentially on the following parameters:
Earthing resistance,
Configuration of the earth electrode and favourable earth surface potential distribution,
Adequate current carrying capacity,
Long durability.
Theses parameters must be considered in earthing system 0Electrical Boxes – Part Twohttp://www.electrical-knowhow.com/2013/06/electrical-boxes-part-two.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2486540042155028550In Article " Electrical Boxes - Part One ", I explained that there are many types of Electrical boxes used in a conduit installation. The application and site conditions determine the type of box used. The electrical boxes can be divided to:The outlet boxes,Device boxes, Pull and junction boxes.And I explained the first type: the outlet boxes in this Article.Today, I will explain other types of 0Electrical Properties of the Earthing Systemhttp://www.electrical-knowhow.com/2013/06/electrical-properties-of-earthing-system.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:28:00 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2477815565635031673I indicated that Earthing system in any installation is normally comprised of the following components:
Earth wells and accessories,
Earthing grid conductors,
Marshalling earth buses (earthing distribution buses),
Earthing wires and cables.
And, I explained all these components in the following Articles:
Earthing System Components – Part One
Earthing System Components – Part Two
Earthing 2Electrical Boxeshttp://www.electrical-knowhow.com/2013/06/electrical-boxes.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4234985297354173027In Article " Conduit Fittings and Supports ", I explained the following points:Types of Conduit Fittings and Supports,Notes for Conduit Supporting.Today, I will explain The Types of Electrical Boxes as follows. You can review the following articles in the same course for more information: Types of Electrical Conduits 1- Functions of the Electrical BoxesIn any installation, the 0Earthing System Components – Part Threehttp://www.electrical-knowhow.com/2013/06/earthing-system-components-part-three.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:27:24 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2929249280631158262In Article " Earthing System Components – Part One ", I indicated that:
Earthing System Components
Earthing system in an installation is normally
comprised of the following components:
Earth wells and accessories
Earthing grid conductors
Marshalling earth buses (earthing distribution
buses)
Earthing wires and cables.
1- Earth Wells and 0Earthing System Components – Part Twohttp://www.electrical-knowhow.com/2013/06/earthing-system-components-part-two.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:26:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4025726940559418568In Article " Earthing System Components – Part One ", I indicated that:
Earthing System Components
Earthing system in an installation is normally
comprised of the following components:
Earth wells and accessories
Earthing grid conductors
Marshalling earth buses (earthing distribution
buses)
Earthing wires and cables.
1- Earth Wells and 3Conduit Fittings and Supportshttp://www.electrical-knowhow.com/2013/06/conduit-fittings-and-supports.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-569544547908296726In Article " Types of Electrical Conduits ", I explained the following points:Definition of An electrical conduit,Advantages of using Electrical conduits than other wiring methods,Disadvantages of using Electrical conduits,How to Verify Correct Installation of Conduit,Types of Conduit. Today, I will explain Conduit Fittings and Supports as follows. Conduit Fittings and Supports Types of 0Earthing System Components – Part Onehttp://www.electrical-knowhow.com/2013/06/earthing-system-components-part-one.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:26:14 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4102446077570523524In Article " How to Select the Best Earthing System ", I explained the following points:
Criteria for Selection of the Best Earthing System,
Steps for Choosing the Best Earthing System.
Today I will explain The Construction and Components of Earthing Systems as follows.
You can preview the following Articles for more info:
Introduction to Grounding System Design – Part One
Introduction to 1Types of Electrical Conduitshttp://www.electrical-knowhow.com/2013/06/types-of-electrical-conduits.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-70867597832014826231- Introduction to Electrical Conduits Definition:An electrical conduit (EC): is a piping system that is used to carry electrical wiring for either power or communication. These piping systems are commonly referred to as raceways. Advantages of using Electrical conduits than other wiring methodsElectrical conduit provides very good protection to enclosed conductors from 1How to Select the Best Earthing Systemhttp://www.electrical-knowhow.com/2013/06/how-to-select-best-earthing-system.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:25:07 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6092244002288367649In Article " Types of Earthing System – Part One ", I listed the Different Types of Earthing Systems which can be divided according to the following factors:
Function,
System size,
Neutral point connection to earth,
Neutral point connection to earth + the connection method of the electrical installations exposed conductive parts.
And I explained the first two categories in this Article, 2How To Verify Ground Connections and Fence Ground Installationhttp://www.electrical-knowhow.com/2013/05/how-to-verify-ground-connections-and.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6425925908933036344In Article " How to Verify Ground Rod and Grid Installation ", I explained the following points:Practice#2: How to Verify Ground Grid Installation,Practice#3: How to Verify Ground Rod Installation.Today, I will explain the following:Practice#4: How to Verify Connection / Interconnection Installation Ground Connection Requirements and Practice#5: How to Verify Fence Ground Installation. You can 0Types of Earthing System – Part Twohttp://www.electrical-knowhow.com/2013/05/types-of-earthing-system-part-two.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:24:29 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3928311135005242643
In Article " Types of Earthing System – Part One ", I listed the Different Types of Earthing Systems which can be divided according to the following factors:
Function,
System size,
Neutral point connection to earth (Neutral Grounding),
Neutral point connection to earth(Neutral Grounding) + the connection method of the electrical installations exposed conductive parts (Frame Grounding).
And I0Types of Earthing System – Part Onehttp://www.electrical-knowhow.com/2013/05/types-of-earthing-system-part-one.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:23:54 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2480495910626074806In Article " Introduction to Grounding System Design – Part One ", I explained the following points:
Differences between Grounding and Earthing Terms,
Differences between Grounded and Grounding systems,
Differences between Bonding and Grounding,
Grounding and bonding systems definitions.
Also, In Article " Introduction to Grounding System Design – Part Two ", I listed the Factors that must be 1How to Verify Ground Grid and Rod Installationhttp://www.electrical-knowhow.com/2013/05/how-to-verify-ground-grid-and-rod.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6128616226360323409In Article " How to Calculate Ground Resistance ", I explained the following points:How to Measure Ground Resistance,How to Estimate Minimum Ground Grid Resistance,How to Estimate Upper Limit of Ground Resistance.Today, I will explain Practice#2: How to Determine Ground Resistance and Practice#3: How To Verify Ground Rod Installation as follows.You can review the following Articles For more 0Introduction to Grounding System Design – Part Twohttp://www.electrical-knowhow.com/2013/05/Functions-of-Earthing-Systems.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:23:10 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3936509562279230537In Article " Introduction to Grounding System Design – Part One ", I explained the following points:
Differences between Grounding and Earthing Terms,
Differences between Grounded and Grounding systems,
Differences between Bonding and Grounding,
Grounding and bonding systems definitions.
Today I will explain the Second Part of the Introduction to Grounding System Design as follows.
0How to Calculate Ground Resistancehttp://www.electrical-knowhow.com/2013/05/how-to-calculate-ground-resistance.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8103016820491840427In Article " Identifying Grounding Connectors and Bushings ", I explained the two methods for making the grounding connections, which were: Soldered Splice,Solderless Splice (Compression Connectors). Today, I will explain Practice#1: How to Determine Ground Resistance as follows. You can review the following Articles For more information: Introduction to Earthing SystemGround Resistance 0Introduction to Grounding System Design – Part Onehttp://www.electrical-knowhow.com/2013/05/Introduction-to-Grounding-System-Design.htmlnoreply@blogger.com (Ali Hassan)Sun, 19 Jan 2014 03:22:16 PSTtag:blogger.com,1999:blog-6291466886522656194.post-434414026283118658
1- Differences between Grounding and Earthing Terms
“Grounding” is a term used rather exclusively in North American to
indicate a direct or indirect connection to the planet Earth or to some
conducting body that serves in place of the Earth.
Or, "Grounding": A conducting connection, whether intentional or accidental,
by which an electric circuit or equipment is 1Identifying Grounding Connectors and Bushingshttp://www.electrical-knowhow.com/2013/05/identifying-grounding-connectors-and.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6710060900775035522In Article " Identifying Correct Grounding Tools and Equipment ", I explained the following points: Exothermic Weld Splice,Compression Tools and Dies. Today, I will explain how to identify Grounding Connectors and Bushings as follows. You can review the following Articles For more information: Introduction to Earthing SystemGround Resistance Calculations Ground Resistance MeasurementsVerifying0More Conductor Sizing and Overcurrent Protection Calculationshttp://www.electrical-knowhow.com/2013/05/Conductor-Sizing-and-Overcurrent-Protection-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:03:36 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3558900147235699657
As I explained before in Article Conductor Ampacity Calculation – Part Three that:
NEC Methods for
Ampacity Calculations of Conductors Rated 0–2000 Volts
As per
310.15(A)(1), The allowable Ampacities for conductors rated 0-2000 Volts
shall be permitted to be determined by two methods:
Tables as provided
in 310.15(B) or
Under engineering
supervision,0Identifying Correct Grounding Tools and Equipmenthttp://www.electrical-knowhow.com/2013/05/identifying-correct-grounding-tools-and.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8772589493679584344In Article " Verifying Ground Connection and Fence Ground Installation ", I explained the following points: Verifying Ground Connection/Interconnection Installation, Verifying Fence Ground Installation. Today, I will explain how to identify Correct Grounding Tools and Equipment as follows. You can review the following Articles For more information: Introduction to Earthing SystemGround 0Voltage Drop Calculations- Part Sixhttp://www.electrical-knowhow.com/2013/05/Excel-Spreadsheets-for-Voltage-Drop-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:09:08 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2034658626009907266In article " Voltage drop calculations- Part One ", I indicated that there are eight methods for Voltage Drop Calculations as follows:
1- Ohm’s Law Method,
2- European method, 3- U.S method which divided to:
Circular-mils method,
Chapter (9) tables method.
4- Approximate Mathematical method, 5- Quick On-Line method, 6- Ampere-Feet method, 7- Lookup tables, 8- Excel spreadsheets. And I 1Voltage Drop Calculations- Part Fivehttp://www.electrical-knowhow.com/2013/05/Voltage-Drop-Excel-Spreadsheets-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:06:44 PSTtag:blogger.com,1999:blog-6291466886522656194.post-829974226525299237
In article " Voltage drop calculations- Part One ", I indicated that there are eight methods for Voltage Drop Calculations as follows:
1- Ohm’s Law Method,
2- European method, 3- U.S method which divided to:
Circular-mils method,
Chapter (9) tables method.
4- Approximate Mathematical method,
5- Quick On-Line method, 6- Ampere-Feet method, 7- Lookup tables, 8- Excel spreadsheets. And I 0Verifying Ground Connection and Fence Ground Installationhttp://www.electrical-knowhow.com/2013/05/verifying-ground-connection-and-fence.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-4423616950615840431In Article " Verifying Ground Rod Installation ", I explained the following points: Resistance to Earth, Design Guidelines and Requirements, Measuring Rod Resistance. Today, I will explain the following points: Verifying Ground Connection/Interconnection Installation, Verifying Fence Ground Installation. You can review the following Articles For more information: Introduction to Earthing 0Voltage Drop Calculations- Part Fourhttp://www.electrical-knowhow.com/2013/05/voltage-drop-calculations-part-four.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:06:11 PSTtag:blogger.com,1999:blog-6291466886522656194.post-1344321694299621640In article " Voltage drop calculations- Part One ", I indicated that there are eight methods for Voltage Drop Calculations as follows: 1- Ohm’s Law Method, 2- European method, 3- U.S method which divided to:
Circular-mils method,
Chapter (9) tables method.
4- Approximate Mathematical method, 5- Quick On-Line method, 6- Ampere-Feet method, 7- Lookup tables, 8- Excel spreadsheets. And I 0Verifying Ground Rod Installationhttp://www.electrical-knowhow.com/2013/05/verifying-ground-rod-installation.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6795384032952876335In Article " Ground Resistance Measurements " , I indicated that there are many Ground Impedance Measurement Methods as follows: The 2-Point Method, The 3-Point Method, The Fall of Potential Method, The 62% Rule, The Ratio Method, The Tag Slope Method, The Intersecting Curve Method, Staged Fault Tests, Driving Point Impedance, The SGM Method And I explained the most used method; The Fall of 0Voltage Drop Calculations- Part Threehttp://www.electrical-knowhow.com/2013/05/NEC-Chapter-9-Tables.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:05:38 PSTtag:blogger.com,1999:blog-6291466886522656194.post-7359568596671863008
In article " Voltage drop calculations- Part One ", I indicated that there are eight methods for Voltage Drop Calculations as follows:
1- Ohm’s Law Method, 2- European method, 3- U.S method which divided to:
Circular-mils method,
Chapter (9) tables method.
4- Approximate Mathematical method, 5- Quick On-Line method, 6- Ampere-Feet method, 7- Lookup tables, 8- Excel spreadsheets.
And I 0Ground Resistance Measurementshttp://www.electrical-knowhow.com/2013/05/ground-resistance-measurements.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-89047286794467623In Article " Ground Resistance Calculations ", I explained the following points: Calculating Ground Resistance,Calculating Ground Resistance for substations,Verifying Ground Grid Conductor Installation,Design Guidelines and Requirements. Also, In Article " Introduction to Earthing System ", I explained the following points: Introduction,Determining Ground Resistance,Soil Resistivity. Today, I 0Voltage Drop Calculations- Part Twohttp://www.electrical-knowhow.com/2013/05/NEC-Method-for-Voltage-Drop-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:05:00 PSTtag:blogger.com,1999:blog-6291466886522656194.post-8343189819947056206
In Article " Voltage drop calculations- Part One ", I explained the following points:
What is the Voltage Drop?
Why to calculate the Voltage Drop?
What are the factors affecting the voltage drop?
NEC voltage drop Recommendations
Also, in this Article, I indicated that there are eight methods for Voltage Drop Calculations as follows:
1- Ohm’s Law Method, 2- European method, 3- U.S method2Ground Resistance Calculationshttp://www.electrical-knowhow.com/2013/05/ground-resistance-calculations.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-6426139965676219279In Article " Introduction to Earthing System ", I explained the following points: Introduction Determining Ground Resistance Soil Resistivity Today, I will explain how to calculate the Ground Resistance. 2.2 Calculating Ground ResistanceThe following formula (source: IEEE Std.142:1991) enable the resistance to ground to be calculated. Where: R = resistance in Ω ρ = resistivity in Ω.cm 0Voltage Drop Calculations- Part Onehttp://www.electrical-knowhow.com/2013/05/Voltage-Drop-Calculations.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:04:21 PSTtag:blogger.com,1999:blog-6291466886522656194.post-44727646119414144191- Introduction:
What is the
Voltage Drop?
Wires carrying current always have inherent resistance, or impedance,
to current flow. Voltage drop is defined as the amount of voltage loss that
occurs through all or part of a circuit due to impedance. (see below image)
Why to calculate
the Voltage Drop?
Voltage drop becomes important for the 1Conductor Ampacity Calculation – Part Thirteen http://www.electrical-knowhow.com/2013/05/Conductor-Ampacity-Calculation-Special-Cases.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:02:53 PSTtag:blogger.com,1999:blog-6291466886522656194.post-411319000605033108In Article " Conductor Ampacity Calculation – Part Twelve ", I explained the following:
Third: Tables Group#3: adjustment factor tables, which includes TABLE B.310.15(B)(2)(11).
Fourth: Figures Group#1: adjustment figure for Thermal Resistivity and Load Factor, which includes Figure B.310.15(B)(2)(1).
Fifth: Figures Group#2-A: Detail Figures Which includes B.310.15(B)(2)(2).
And In 0Conductor Ampacity Calculation – Part Twelvehttp://www.electrical-knowhow.com/2013/05/Using-Annex-B-Tables-and-Figures.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:00:48 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2249880447870893793In Article " Conductor Ampacity Calculation – Part Eleven ", I explained how to use the Annex B Tables included under Group#2-B “tables for conductors directly Buried in earth” which includes:
TABLE B.310.15(B)(2)(8) in Accordance with Figure B.310.15(B)(2)(2),
TABLE B.310.15(B)(2)(9) in Accordance with Figure B.310.15(B)(2)(2),
TABLE B.310.15(B)(2)(10) in Accordance with Figure B.310.15(B)(0Introduction to Earthing Systemhttp://www.electrical-knowhow.com/2013/05/introduction-to-earthing-system.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-2754239088315447283This is the first Article in Course " GR-1: Inspect ground Grids, Rods, and Fence grounds ".1- Introduction Every Building, equipment, power plants, substations and/or facilities included in Electrical Utility System that use electricity require earth grounding, either directly or through a grounding system. (see fig.1)Fig (1) Definition:The Earthing System: sometimes simply called ‘0Course LG-1: Inspect Fluorescent / Incandescent Light Fixtureshttp://www.electrical-knowhow.com/2013/04/course-lg-1-inspect-fluorescent.htmlnoreply@blogger.com (Ali Hassan)Sat, 18 Jan 2014 23:53:52 PSTtag:blogger.com,1999:blog-6291466886522656194.post-5212679183408304363Course LG-1: Inspect Fluorescent / Incandescent Light FixturesCourse Description: This course is intended to prepare the target persons with the ability to inspect fluorescent/incandescent light fixture installations according to applicable standards. The target Persons: Design engineers, new graduate engineers, under graduate engineering students, site field engineers, maintenance engineers 0Conductor Ampacity Calculation – Part Elevenhttp://www.electrical-knowhow.com/2013/04/Conductors-Ampicity-Tables-for-Buried-Cables.htmlnoreply@blogger.com (Ali Hassan)Tue, 07 Jan 2014 22:00:09 PSTtag:blogger.com,1999:blog-6291466886522656194.post-3287036928234482223In Article " Conductor Ampacity Calculation – Part Ten ", I explained how to use the Annex B Tables included under Group#2-A “ tables for conductors installed in underground electrical duct bank” which includes:
TABLE B.310.15(B)(2)(5) in Accordance with Figure B.310.15(B)(2)(2),
TABLE B.310.15(B)(2)(6) in Accordance with Figure B.310.15(B)(2)(2),
TABLE B.310.15(B)(2)(7) in Accordance with 0nonadult