Answer / k.prakashchandra

LBB relay is for failure of breaker to trip , and back up protection relay ( usually EM ) is for failure of main relay ( usually electronic )

what happen if we give square wave instead of sine wave to the transformer

8 Answers  

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what do you mean by switchgears?

5 Answers   Practical Viva Questions,

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dear all, i want to ask that what is diversity factor. please explain breifly. because i hve quiet no concept about this.

2 Answers  

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What is Electrical Engineering?

13 Answers   L&T, NTPC, Wockhardt,

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DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 Answers  

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State Maximum Power Transfer theorem.

0 Answers   ABB,

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what is the method of earthing of a transformer using electrodes?

0 Answers  

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what is the function of series reactor

3 Answers   Adhunik, INOX, RMSI,

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How much should be the specific gravity of a DG set battery Electrolyte.

2 Answers  

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when elecromagnatic waves are propogated in a wave guide?

0 Answers  

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In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

0 Answers  

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How to Calculate IKW(input kilowatt)of a Chiller plant

2 Answers   Voltas,

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