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 is cogging in motors?

1 Answers  

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i heard that power factor(PF) is the main concern for industries, if they are maintaining PF around 0.6 they will be fined for that. now the question is, how can they improve the PF ranging between 0.9 to 0.95 which is safe for them i,e escaping from the fine?

5 Answers  

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why do we use star-delta starter. what is its need?

6 Answers  

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advantages & disadvantages of Lagging and leading power factor .

0 Answers   KMSC,

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DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

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what is RNG in the DG synchronizing by PLC?

0 Answers  

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DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

0 Answers   Essar,

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Please give me the formula stating relation between AC & Dc.

2 Answers   JP Group,

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in cvt,there are two windings,1a,1n and 2a,2n.in my one project i use only one winding i.e.1a,1n. the other winding is not in use, so i connect it in open delta and want to close it by ibsertibg thermal resistor. the output of cvt is 132kv/115/sqrt3. plesae tell me exact value of resistor, so i may close it to avoid the resonance phenomenin. send me answer on this email adress please. aetcon-po@aetcon.com

0 Answers  

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What are the three constants associated with a steady state error?

0 Answers  

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explain the meaning of harmonic resonance

0 Answers  

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What is the difference between a Junction Box and a Marshalling Box?

8 Answers  

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