what is power factor?

8 Answers   Adani, Blue Star, Power Control,

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What is meant by transformer, why it should be used, with out that equipment what happens if we transformed the supply?

12 Answers   Bhel,

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how much current will take for 1kw power. and what is the eqoutiion which is connecting with kw and A.

2 Answers  

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How to discharge the battery as quickly as possible ?

1 Answers  

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Is Transol transformer oil comparable to nynas nytro libra?

0 Answers  

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What is the Surge suppresor? Why using in a UDB's and How it works?

0 Answers  

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I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.

4 Answers  

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

0 Answers  

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What is the use of Exciter in generator? & what will be the current of Exciter in 500 KVA DG Set?

2 Answers  

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FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

0 Answers  

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operation principle of a generator? Gss, Diesel and HFO which is better and why?

1 Answers  

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