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why dc source used for HV breakers and Relays operation?

Answers were Sorted based on User's Feedback



why dc source used for HV breakers and Relays operation?..

Answer / rams dharavath

The direction and magnitude flux of d.c coil remaining the same.DC coils give accurates and better lifting magnets and DC coils having no hystrises losses and heating problems.

Is This Answer Correct ?    0 Yes 0 No

why dc source used for HV breakers and Relays operation?..

Answer / kannan

While we will use ac supply for HV and Relays following
disadvantages are available.

1.Tripping feedback can not see.
2.ac source is variable source.

Is This Answer Correct ?    0 Yes 1 No

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