how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

0 Answers   MRF,

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how much current does 3ph a.c & d.c motor drawn.Plz. provide formula with example.

5 Answers  

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what is meant by VDC ?where its applicable ?

2 Answers  

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wht is meant by sh6

2 Answers  

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what is harmonics?explain in simple words?what is its impact on circuit?

2 Answers  

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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Is any generator is developed which is operated with out diesal or other expensive source?

0 Answers  

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how many voltage or current enough to kill a person?

12 Answers  

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why induction motor always operate at lagging p.f.?

4 Answers  

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which %age if losses increases when frequency is increased to 25%

4 Answers   Maihar Cement, Siemens,

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What is Biased Generator Differential Relay?

2 Answers  

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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  

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