Answer / santhosh (sggi)

Insulation failure of machine coil due to over load,
It can be prevented by using better cooling arrangements
and overloads.

Answer / chand

most common reason is failure of coil insulation due to heat and ageing factor.

What is the Diff. btw Fire Alarm System & VESDA System??????

1 Answers   Emerson,

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

0 Answers  

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what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers  

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what is the difference betwteen overcurrent and short circuit fault?

3 Answers  

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what is the best method of grounding in 30 MW generator?

0 Answers  

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please explain to me how to calculate current,voltage,resistance with formula??

0 Answers  

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How the FM200 Gas Supression System wil Work????

1 Answers   Emerson,

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AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 Answers   Alstom,

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what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

0 Answers  

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what is the current density of copper & alluminium.

0 Answers  

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If the battery is in charging condition means, battery is which type of load? Capacitive or Resistive load?

2 Answers   Crisp,

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