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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what is working of no & nc.

8 Answers  

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what r the safety measures in UPS ? explain all?

0 Answers   Wipro,

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what is ATS?and its function or operation in power system with its layout.

1 Answers   DLF,

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what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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why did lightening arrester rod probe sharp?

2 Answers  

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What is Bolted fault?

0 Answers  

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a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

8 Answers   Bhel, RRB, SR,

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what instruments used for measuring of inductance and capacitance.

2 Answers  

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

0 Answers  

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how to check a transformer insulation?

3 Answers   Kirloskar, Kirloskar Chillers,

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