Answer / k.prakashchandra

Over frequency relay is for gen and over speed relay is for
turbine.They are normally set at +/- 3 % and 15 % respectively.

Air circuit breaker safety

0 Answers  

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IF THE OUTPUT OF A 100KVA, 415V GENERATOR IS STEPPED UP TO 11KV WITH A 500KVA TRANSFORMER,CAN THE TRANSFORMER BE LOADED ABOVE THE SOURCE GENERATOR RATING?

4 Answers  

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tell me about xlpe cable?

1 Answers   IOCL,

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what is the impedance voltage of transformer?

1 Answers   AVI Enterprises, MacLellan,

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i have one ground earth for my shop but now he showing 11v how ever my machine engineer said that he require less than 3v how can we reduce it, i have put 8 bucket salty water in it

1 Answers  

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What is the difference between Neutral and Eatrh?

8 Answers  

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What is Servo Ventilated Motor?

0 Answers   L&T,

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Why substation battery room is coulered black?

1 Answers  

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The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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In a star-star connected h.t transformer why we use NGR on the secondary (l.t)side.

3 Answers   Star, TATA,

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what is transformer?

2 Answers  

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