ElentechPK https://elentechpk.com Electrical Tips, News & DIY Guides Mon, 06 Apr 2026 11:41:56 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://elentechpk.com/wp-content/uploads/2025/11/elentechpk-logo5.jpg ElentechPK https://elentechpk.com 32 32 Yoke in dc Machine in Hindi (yoke क्या है?) https://elentechpk.com/yoke-in-dc-machine-in-hindi-yoke-%e0%a4%95%e0%a5%8d%e0%a4%af%e0%a4%be-%e0%a4%b9%e0%a5%88/ Mon, 06 Apr 2026 11:41:53 +0000 https://elentechpk.com/?p=4213 परिचय(Introduction). डीसी मशीन के सबसे बुनियादी और प्राइम पार्ट यानी मैग्नेटिक फ़्रेम और yoke क्या हैं? मैग्नेटिक फ़्रेम या योक डीसी मशीन में मल्टीपर्पज़ के लिए होता है, यानी यह दो पर्पज़ परफॉर्म करता है जबकि अन्य मशीनों में इसे आमतौर पर एक ही पर्पज़ के लिए उपयोग किया जाता है। मैग्नेटिक फ़्रेम या yoke ... Read more

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]]> Synchros क्या होते हैं? Types of Synchros Explained | https://elentechpk.com/synchros-%e0%a4%95%e0%a5%8d%e0%a4%af%e0%a4%be-%e0%a4%b9%e0%a5%8b%e0%a4%a4%e0%a5%87-%e0%a4%b9%e0%a5%88%e0%a4%82-types-of-synchros-explained/ Sat, 04 Apr 2026 05:08:15 +0000 https://elentechpk.com/?p=4196 Synchros क्या होते हैं? Synchros किसे कहते हैं? Synchros एक general term है जो self-synchronizing machines के लिए use होती है। जब इन्हें electrically energize किया जाता है और आपस में electrically connect किया जाता है, तो ये ऐसा torque produce करते हैं जिससे दो अलग-अलग mechanical shafts या तो synchronism में rotate करते हैं ... Read more

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]]> डीसी सर्वो मोटर (DC Servo Motor In Hindi) परिभाषा, डायग्राम https://elentechpk.com/dc-servo-motor-in-hindi/ Thu, 02 Apr 2026 11:46:46 +0000 https://elentechpk.com/?p=4169 यह एक ऐसा मोटर होता है जो DC input power लेकर mechanical output produce करता है, जैसे position, velocity और acceleration। इस प्रकार के मोटर का उपयोग numerical control machines, computers और कई applications में किया जाता है जहाँ मशीन को जल्दी start और stop करना होता है।इस blog post में हम elentechpk से DC ... Read more

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]]> AC Servo Motor in Hindi | Working, Construction and Type https://elentechpk.com/ac-servo-motor-in-hindi/ Wed, 01 Apr 2026 18:23:30 +0000 https://elentechpk.com/?p=4137 इस लेक्चर में हम AC servo motor in Hindi को विस्तार से समझेंगे। AC servo motor एक special purpose machine होती है, जो electrical input को mechanical output में convert करती है, वह भी precise angular velocity के साथ। यह मोटर मूल रूप से two-phase induction motor होती है, लेकिन इसके design features में कुछ ... Read more

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]]> Servo Motor in Hindi | Working, Types, Construction https://elentechpk.com/servo-motor-in-hindi/ Mon, 30 Mar 2026 18:31:14 +0000 https://elentechpk.com/?p=4126 Servo Motor in Hindi एक स्पेशल मशीन होती है जो कि सर्वो मैकेनिज़्म की हेल्प से ऑपरेट होती है। सर्वो मोटर का उपयोग किसी स्पेसिफिक टास्क को प्रिसाइज तरीके से पूरा करने के लिए किया जाता है। इसका वर्किंग प्रिंसिपल इंडक्शन मोटर के जैसा होता है लेकिन इसका construction और operation उससे अलग होता है। ... Read more

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]]> Phasor Diagram of Synchronous Motor in Hindi https://elentechpk.com/phasor-diagram-of-synchronous-motor-in-hindi/ Sun, 29 Mar 2026 18:49:26 +0000 https://elentechpk.com/?p=4074 Equivalent Circuit of Synchronous Motor क्या होता है इस topic में हम Phasor Diagram of Synchronous Motor in Hindi और उसके equivalent circuit को समझते हैं। Equivalent circuit का उपयोग किसी भी electrical machine के electrical characteristics को represent करने के लिए किया जाता है। Synchronous motor के equivalent circuit में V terminal voltage को ... Read more

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]]> Hunting in Synchronous Motor in Hindi https://elentechpk.com/hunting-in-synchronous-motor-in-hindi/ Sat, 28 Mar 2026 16:58:05 +0000 https://elentechpk.com/?p=4070 जब हम synchronous machine यानी synchronous motor का study करते हैं, तो वहाँ एक term आता है जिसे hunting कहते हैं। Basic रूप से, जब motor के load में अचानक change होता है, तो rotor नई equilibrium position को पाने के लिए आगे-पीछे oscillate करता है, और इसी phenomenon को hunting कहा जाता है। जब ... Read more

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]]> Top 7 Causes of Low Power Factor in Hindi https://elentechpk.com/top-7-causes-of-low-power-factor-in-hindi/ Sat, 28 Mar 2026 14:26:23 +0000 https://elentechpk.com/?p=4063 Electrical system में पावर फैक्टर (पीएफ) एक बहुत important concept है। ये बता रहा है कि supply से ली गई बिजली का कितना हिस्सा वास्तव में उपयोगी काम में उपयोग हो रहा है। जब पावर फैक्टर कम होता है (0 से 1 के बीच में), तो इसका मतलब है कि सिस्टम में ऊर्जा की wastage ... Read more

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]]> Synchronous Motor Excitation in Hindi https://elentechpk.com/synchronous-motor-excitation-in-hindi/ Sat, 28 Mar 2026 13:59:20 +0000 https://elentechpk.com/?p=4080 Synchronous Motor Excitation: एक विस्तृत समझ Synchronous Motor Excitation in Hindi को गहराई से समझने से पहले, यह याद रखना अत्यंत आवश्यक है कि किसी भी electromagnetic device को आवश्यक working flux उत्पन्न करने के लिए AC source से magnetizing current प्राप्त करना पड़ता है। यह Magnetizing Current, सप्लाई वोल्टेज (V) से लगभग 90° पीछे (lag) रहता है। दूसरे शब्दों में कहें तो, इस ... Read more

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]]> PSTET Admit Card 2026 Download – PSTET 2026 Admit Card कैसे डाउनलोड करें | Official Website https://elentechpk.com/pstet-admit-card-2026/ Tue, 10 Mar 2026 05:18:33 +0000 https://elentechpk.com/?p=3986 Introduction अगर आपने PSTET 2026 परीक्षा के लिए आवेदन किया है तो अब सबसे महत्वपूर्ण चीज है PSTET Admit Card 2026 Download करना है। PSTET Admit Card 2026 Punjab School Education Board (PSEB) द्वारा जारी किया जाता है। जिन उम्मीदवारों ने PSTET 2026 परीक्षा के लिए आवेदन किया है, वे PSTET की official website पर ... Read more

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]]> Working Principle of Transformer, Electromagnetic Induction Explained https://elentechpk.com/working-principle-of-transformer/ Sat, 17 Jan 2026 18:41:23 +0000 https://elentechpk.com/?p=3976 What is a transformer? Definition A transformer is a static electrical device that transfers alternating electrical energy (AC) from one circuit to another, without changing the frequency, through mutual magnetic flux. The working principle of transformer is electromagnetic induction, according to which a time-varying magnetic flux in the primary winding induces EMF in the secondary ... Read more

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]]> Electric Pole Transformer | Working, Types, Cost & Uses https://elentechpk.com/electric-pole-transformer/ Thu, 15 Jan 2026 18:20:31 +0000 https://elentechpk.com/?p=3966 introduction Electric pole transformers are an extremely important part of the power distribution system. It is also called Electricity Pole Transformer, Electrical Pole Transformer or Electric Transformer on Pole in common language. This transformer transmits high voltage electricity to homes, shops, and small industries by safely converting it to low voltage. How does Electric Transformer ... Read more

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]]> Pulse Transformer – Construction, Working Principle & Applications https://elentechpk.com/pulse-transformer-construction-working/ Tue, 06 Jan 2026 06:49:56 +0000 https://elentechpk.com/?p=3734 Introduction In today’s modern electronic and power-electronic systems, signals are often in the form of pulses. The special transformer that is used to transfer such pulse signals safely, provide isolation and forward without distorting the shape is called pulse transformer. This transformer is different from a normal power transformer because its job is not to ... Read more

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]]> Tap Changing Transformer: Working, Diagram, Types, Applications https://elentechpk.com/tap-changing-transformer-working-diagram/ https://elentechpk.com/tap-changing-transformer-working-diagram/#respond Mon, 29 Dec 2025 06:30:16 +0000 https://elentechpk.com/?p=3667 Tap Changing Transformer is an electro-mechanical device. All the electrical equipment we use today is designed to function properly at a specific voltage level. However, the power supplied to electrical equipment can sometimes exceed or exceed its rated voltage. This can be due to a variety of factors, such as voltage drops in distribution lines ... Read more

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]]> https://elentechpk.com/tap-changing-transformer-working-diagram/feed/ 0 Nickel Cadmium batteries: Construction, Working, Charging, Maintenance & Uses https://elentechpk.com/nickel-cadmium-batteries-construction-working/ https://elentechpk.com/nickel-cadmium-batteries-construction-working/#respond Thu, 18 Dec 2025 08:49:34 +0000 https://elentechpk.com/?p=3544 What is a Nickel–Cadmium Battery? Nickel cadmium batteries are a relatively new addition in the United States to the storage-battery family. These batteries consist of an interleaved assembly of positive and negative plates. Construction of Nickel–Cadmium Battery Cell containers are made of nickel-plated steel. Active materials, nickel hydroxide (positive) and cadmium oxide (negative), are encased ... Read more

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]]> https://elentechpk.com/nickel-cadmium-batteries-construction-working/feed/ 0 Nickel–Iron–Alkaline battery (Edison Battery): Construction, Working, Charging & Maintenance https://elentechpk.com/nickel-iron-alkaline-battery/ https://elentechpk.com/nickel-iron-alkaline-battery/#respond Wed, 17 Dec 2025 14:55:39 +0000 https://elentechpk.com/?p=3534 Introduction of the Edison Storage Battery. The Nickel–Iron–Alkaline battery is the result of an effort to avoid many of the disadvantages of the lead-sulfuric acid combination and is a radical departure from it in every detail of construction. The positive plate consists of hollow, perforated, sheet-steel tubes filled with alternate layers of nickel hydrate and ... Read more

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]]> https://elentechpk.com/nickel-iron-alkaline-battery/feed/ 0 lead acid battery construction and working principle https://elentechpk.com/lead-acid-battery-construction-and-working/ https://elentechpk.com/lead-acid-battery-construction-and-working/#respond Mon, 15 Dec 2025 18:00:28 +0000 https://elentechpk.com/?p=3518 Introduction Cells in which electrical energy is stored in the form of chemical reactions and, through chemical reactions again, electromotive force is produced are called secondary cells. Lead-acid cells, nickel–iron cells, and nickel–cadmium cells fall under the category of secondary cells. Here, a description of secondary cells is given. Now let’s understand the lead acid ... Read more

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]]> https://elentechpk.com/lead-acid-battery-construction-and-working/feed/ 0 What Is a Battery?: Definition, Types, Parts & Characteristics Explained https://elentechpk.com/what-is-a-battery-definition-types/ https://elentechpk.com/what-is-a-battery-definition-types/#respond Thu, 04 Dec 2025 11:15:16 +0000 https://elentechpk.com/?p=2872 What Is a Battery? A battery is a device that converts chemical energy into electrical energy and supplies current for use.A chemical reaction occurs between the two electrodes and the electrolyte inside, producing EMF (Electromotive Force).When the battery is connected to a closed circuit, electrons begin to flow, and electric current is produced.From small watches ... Read more

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]]> https://elentechpk.com/what-is-a-battery-definition-types/feed/ 0 What is the Cooling of Transformers? Types, Working, Methods & Formulas https://elentechpk.com/what-is-the-cooling-of-transformers/ https://elentechpk.com/what-is-the-cooling-of-transformers/#respond Sun, 30 Nov 2025 10:11:43 +0000 https://elentechpk.com/?p=2862 What is the Cooling of Transformers? Cooling of transformers is the process by which the heat generated in the transformer windings and core is safely removed to prevent overheating, insulation damage, and failure.This heat is mainly produced due to I²R losses, hysteresis losses, and eddy-current losses. Transformer Cooling Methods The main methods used to cool ... Read more

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]]> https://elentechpk.com/what-is-the-cooling-of-transformers/feed/ 0 Lightning Earthing vs Normal Earthing: Complete Information, Differences https://elentechpk.com/lightning-earthing-vs-normal-earthing-complete/ https://elentechpk.com/lightning-earthing-vs-normal-earthing-complete/#respond Sat, 29 Nov 2025 08:35:40 +0000 https://elentechpk.com/?p=2774 Lightning Earthing vs Normal Earthing – Deep Practical Guide. Lightning Earthing and Normal Earthing differ mainly in the type of current they handle. Normal Earthing is used to discharge low-voltage fault currents using G.I./copper rods with charcoal–salt filling, while Lightning Earthing is specially designed to handle high-energy lightning surges using thick copper rods, bentonite compounds, ... Read more

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