Answer / rajesh

I think to prevent collision of two sourse supply as for a.e power grid and DG generated supply.

Please guide if answer is wrong.
Thanks

Answer / k.prakashchandra

It is reverse power relay i.e . directional wower relay

Explain and give examples about VCB?

0 Answers   AZ Engineering, Vodafone,

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what is earthing.how we make it,describe briefly.

0 Answers   HAL,

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why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?

2 Answers  

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WHAT HAPPENS IF FUSE IS CONNECTED TO NEUTRAL WIRE

5 Answers  

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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

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What is the difference between PT for metering and PT for protection ?

3 Answers   Dewan Cement,

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why rating of motor in HP?

11 Answers  

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WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

1 Answers  

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What is earth fault?

3 Answers  

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How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?

3 Answers   ABB, AES,

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Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,

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why Lightening Arrester Probe sharp at Top of telecom tower.

0 Answers   Reliance Jio,

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