Answer / anand

nc is normally contact to common terminal,when gives supply to the relay common contact to no contact

Answer / k.prakashchandra

You mean the aux switches of cb ? There are NO and NC
contacts (determined when the cb is in open position)which
operate when the cb opens or closes.

what type of relays used in transformers?

24 Answers   APTransco, BSNL,

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Advantages of Induction Motors

2 Answers  

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how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

0 Answers   Harshal Electrical,

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how can motor both beasrings insulation resistance can be check?

0 Answers   GE,

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What is the difference between XLPE & FRLS cables? Is FRLS cables is a type of XLPE cable or both r different?

5 Answers  

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what is the power factor of the megnetising component of transformer

1 Answers   Allied Group,

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1 Answers   TVS,

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What is the practical way to calculate the cable size for known ampere load?

0 Answers  

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WHAT IS TANK CKT.?

4 Answers  

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

0 Answers  

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Name the earthings?

3 Answers   HSL,

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What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

0 Answers  

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