in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 Answers  

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the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

2 Answers   APCPDCL, APEPDCL,

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what is skin effect?

6 Answers   MPSEB,

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how to check the earth resistance value& what is the minimum earth resistance for good earthing sysytem.

33 Answers   Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro,

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what is the diffrence between kav and kvar?

5 Answers  

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Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

0 Answers  

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what is the clearances between phease to phease & phease to earth in 400 kv transmission line?

1 Answers   Lanco,

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IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

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what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

0 Answers   Surana,

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Which Class insulation is prefered for the sandwich Busducts ? Why?

0 Answers  

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what is the electricity

3 Answers  

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why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 Answers  

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