Why we need to carry out knee point voltage test of current transformer ?

1 Answers   Power Grid,

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why in some cases the receiving end voltage is higher than the sending end voltage in transmission line (called 'Ferranti effect') ????? whts the reason behind tht???

3 Answers  

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which of the following can produce maximum induced voltage..... (a)1amp dc current (b)50amp dc current (c) 1amp 60 cycle ac current (d)1amp 490 cycle ac current.

2 Answers  

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why we grounding the neutral of a transformer?

3 Answers   GAS,

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WHICH SUPPLY IS BETTER FOR 4 MW LOAD. 1)TO TAKE NEARER AVAILABLE 11 KV SUPPLY OR 2)TO TAKE 33 KV SUPPLY WHICH IS AVAILABLE AT 10 KM DISTANCE BY INVESTING NEARLY 50-60 LACKHS

1 Answers  

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what is meant by vector group in transformers? wy we r using that?

1 Answers  

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Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres

1 Answers  

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How the train speed control?

1 Answers   Bhel,

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Discuss the effect of sudden loading of an induction motor

0 Answers  

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

0 Answers  

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WHY IS CT SECONDARY SHORTED TOWRDS TH EQUIPMENT TO BE PROTECTED

1 Answers  

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WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

5 Answers  

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