Answer / nandakumarp

normally used 110v dc for tripping and closing coils

Answer / liladhardanej11

depend upon as per control supply i think normally used 110v & 127v ac

what is relation between HP & BHP

3 Answers   Usha Martin,

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What are unstable systems?

0 Answers  

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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what is the working of loss of excitation relay (40G)? how it is work?

1 Answers  

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Define CT & its function

6 Answers   Essar,

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what main difference betwenn invetter & ups & major difference

2 Answers   ABB,

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what is distribution board?

0 Answers  

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Why iron core losses are constant at all loads in a transformer ?

1 Answers   GATE,

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what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?

2 Answers  

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What is meant by reset level of the relay?

0 Answers  

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in CNC reference how to take? what kind of input give to the servo amplifier?

1 Answers  

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What are the disadvantages of thermal power plant?

0 Answers  

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