Answer / anand yadav

Reverse power protection is used to avoid the generator running as motor, if the prime mover speed drops then generator will become a motor, it will load the other power source and will affect the power factor a lot.

what about electrical pannel.? What is meant by plc pannel.?

0 Answers   TATA,

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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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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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1kva = kw ?

6 Answers  

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which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

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what the different between earthing and grounding?

4 Answers  

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what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 Answers  

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What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

0 Answers   Glenmark,

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formula for incomer breaker size calculation of powerfactor correction unit

3 Answers  

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if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

0 Answers   Delta,

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which turbine has high thermal efficiency a)open gas turbine b)close gas turbine

2 Answers  

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How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

0 Answers  

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