Answer / sudipt jena

circulating current due to CT errors is called spill current and it is negligible in magnitude

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

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how to wiring it with contactor and timer together

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How to check the efficiency of the generator , air compressors.

1 Answers   CIL,

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sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

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what is meant by transformer oil temparature

3 Answers   Vijaya Bank,

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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How can we calculate C10 rating of a bttery from c5 or c20 ratings??

1 Answers   Intel,

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How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

0 Answers   TATA,

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

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how and why are capacitors are used to improve powerfactor?

4 Answers  

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What is the approximate value of stacking factor?

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