What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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what is diffrence between MH LAMP and HELLOZEN LAMP

1 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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what is impedance?

1 Answers   PWD,

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what is power plant?

2 Answers  

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What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

0 Answers  

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what is the rating of a power transformer?

1 Answers   ACME,

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What is the function of induction motor when low voltage is apply.

6 Answers  

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Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

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Dear All kindly let me know that I know about the DG Rating for Example 150 KVA,Now how i will know that how much Ampher load it can offoard.

2 Answers  

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why we use 50hz frequency in india why not other frequencies like 52,59,42 etc

5 Answers   INTC,

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Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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