what is the difference between megger and earth resister ??

0 Answers   HMPL,

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

0 Answers  

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What the purpose of transient fault recoredr in substation

2 Answers   NCC,

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

0 Answers  

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what is alternator?

4 Answers  

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What is power factor why we should maintain the power factor unless what will happen

0 Answers  

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

0 Answers  

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can we use only a isolator in the subtation..

1 Answers   ABB,

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some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

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WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 Answers  

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what is the difference between equipment earth and system earth.

1 Answers   Hofincons,

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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