Answer / k.prakashchandra

If earth pit is always wet ,the ER remains good always. If
corrosion is the problem ,cast iron pipe or superior quality
of GI pipe can be used.Planters are not exempted from
electric shocks.

what is the difference between high impedance REF & REF, same high impedance differential protection & differential protection for Power transformer?

1 Answers  

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What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

3 Answers   Areva,

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Why we are going for converter transformers for DC drives application instead of distribution transformer?

0 Answers  

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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in pf lagging means current decrease by increasing voltage is correct or not ? reason ?

3 Answers  

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how to avoid Saturation in C.T?

0 Answers  

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What is WLD System????

3 Answers   Emerson, HCL, Honeywell, Tata Communications,

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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

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why do the core of transformer saturates???

1 Answers  

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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Without seeing the nameplate descriptions of a rotating machine,Is it possible to say which one is a motor and which one is a generator? How would you certain this?

3 Answers  

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what is the function of generator exciter

11 Answers   NTPC,

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