What is the allowalable frequency variation in India and in US? Why there is the difference?

3 Answers  

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How many earthings are required for commissioning the Transformer?

14 Answers   Dalmia Group, HSL,

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how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

0 Answers   Harshal Electrical,

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How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

0 Answers   npcc,

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Why indian power system in 11kv,22kv,33kv,66kv,110kv,220kv ? 2) Why ups required dedicated earth?

8 Answers   Energia, L&T, Sail,

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How can maintain our H.T. motors used in cement plant. please send me procedure.

0 Answers  

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why grid failure happens?

1 Answers  

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what is the use of power transformer in GSS.

0 Answers   College School Exams Tests, DLF, TCS,

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how does ELR works? explain

0 Answers  

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Is MEN and RCD related to each other ?? IF yes then how??

0 Answers  

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synchronous motor of 13.5MW having which type protection? and how to set relay?give me relay setting calculation for different protection for this motor assume efficiency,power factor and other term if neccecery

1 Answers  

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Why power genaration in India is at 50HZ while America its 60HZ

0 Answers   TATA,

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