Answer / k.prakashchandra

Yes. To prevent neutral shifting,to provide protection and
to make earth wire useful

what is auxilliary transformer??

3 Answers   Bhel,

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

0 Answers  

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what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

22 Answers   Aster Teleservices, Era Infra Engineering, Micron Electricals,

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725KW Three DG set Synchronised but DG no-1 power showing 750KW DG n0-2 power showing 500KW DG no-03 showing 500KW. DG is Shynchronised but why this different power showing?

3 Answers  

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What are the factor to be consider for CT selection in 132kV substation?

0 Answers   ABB,

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what will happen if there is a voltage leakage or current leakage in an electrical train

0 Answers  

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Why do power lines not short out when they fall into water?

0 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

8 Answers  

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In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required

1 Answers  

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why do MCB melt but not tripped in lighting highmast??

1 Answers   AHPCL,

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What is the differences in phase to phase voltages between star and delta connections of stator?

1 Answers  

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