Answer / k.prakashchandra

Pf =KW/KVA.There are meters to measure all the three.

Answer / shyam

power factor can be calculated by formula =kw/kva.
there are power factor meters avilable to measure the power
factor direclty of an equipment.

how slip power recovery system work

0 Answers   Ambuja,

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In a three-phase full converter, every SCR conducts for a.60deg. b. 120deg. C.180deg. d.90deg

3 Answers  

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difference between microprocesser and microcontroler

1 Answers   HAL,

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Why do you use an isolator on both sides of the circuit breaker? ( shortly answer)

2 Answers  

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I want d.g.set our company

0 Answers  

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What are the various types of BUSBAR Schemes? explain each

1 Answers   NTPC,

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thyristor controlled APFC panel design parameter?

0 Answers  

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What is a differential amplifier? Also, explain cmrr.

0 Answers  

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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Q: How to calculate Transformer losses , tell us by Formula.

0 Answers  

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Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 Answers  

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I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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