Answer / k.prakashchandra

By employing energy meter with required features.

how to changeover ups in this power failur time?

0 Answers   Essar,

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Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 Answers  

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Which oil can be used in transformer?

1 Answers  

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why electric shock due to dc is dangerous than that of ac

44 Answers  

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In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

0 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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how to select the surge suppresor for the 33 KV supply and what will be the rating, selection guide

1 Answers  

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sir plz send some previous year questions of jspl.

0 Answers  

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What are Contactors? How they works and what its highest rating?

0 Answers  

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Why are the laminations insulated from each other?

0 Answers  

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What is IDMT? What is the principle

3 Answers  

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in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 Answers  

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