Answer / k.prakashchandra

Series/ universal motor

What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

0 Answers  

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what is the function of LBB relay

9 Answers  

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Why the CT Secondary is rated as 5A generally?

2 Answers  

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Why do we use center tap transformer that used with portable tools

0 Answers  

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draw the block diagram of fire alarm?

0 Answers  

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

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Why CT's shall not be kept open?

5 Answers   ABC, Qatar Gas, TIPL,

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What is the meaning of ST and HT in electrical transmission and what are thier range.

6 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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what are the different functions of mccb, rccb / elccb ?

2 Answers  

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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how step down and step up voltage is occured in transformer

3 Answers  

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