Answer / n.p

P.F is the ratio of true & apparent power. formula of p.f
=kwh/kvah ( kwh & kvah reading taken from ht mtater)

how to reduce disel generator voltage from 410-60 hz to 380v-60hz

1 Answers  

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As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

0 Answers   cpgn,

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Define magnetic centre in a motor?

1 Answers  

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Give two basic sprrd control scheme of DC shunt motor.

2 Answers  

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where was current transformer protection units used and why??

0 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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transform oil how going to act like ainsulation purpose

1 Answers   Siemens,

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11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?

24 Answers   Bhilai,

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why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 Answers  

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How much amperes needed for starting of 4HP motor?

1 Answers   CM Smith Sons,

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what is the difference between electrical wire and electrical conductor?

4 Answers  

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What difference between voltage and current

5 Answers  

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