Answer / guru

The Differential relay works on the principle of difference
of current in primary and secondary circuits of a busbar or
transformer etc.,

Generally the PS Class cores of the CT is used in operating
the differential relay

Answer / reza

bus bar diffrantial simoling matlab

how to identified power tranfer line is how much KV????

5 Answers   Essar,

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

0 Answers  

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

0 Answers  

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How can we decide the fualt levels of sub-stations?

2 Answers   Bhel, Enercon, Prakash Industries,

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Air refrigeration cycle works on the

0 Answers   Caterpillar,

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how the global warming take place?

1 Answers  

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what is role of mpu in dg

1 Answers  

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can we connect 2.2kw star motor in delta passion?

1 Answers   Zuari,

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What is the maximum size(MVA)of power transformer available in the India/world?

13 Answers   Adani,

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How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

0 Answers   npcc,

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What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

0 Answers   SRM,

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