What is the arc. I saw word arc in between sf6 & vcb brakers

1 Answers   Cap Gemini,

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

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Resistance of low voltage side of transformer compared to high voltage side is A less B equal C more D depens on design

1 Answers  

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Define availability (operational)?

0 Answers  

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Why AC loads wont used in DC input supply? and Why DC loads wont used in AC input supply?

3 Answers   Bhel,

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working principles of cf lamp,incandescentlamp and f lamp?

0 Answers  

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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C.S.R. and where are they use in electrical systems

1 Answers  

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i have 60Hz motor, can i run it at 50Hz power supply ???

2 Answers  

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why mccb is not tripping when phase & neutral terminal are interched ?

4 Answers  

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What is floating earthing?

2 Answers   Equate,

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what will happen power cables laid without gap in underground

1 Answers  

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