Answer / ram

The use of VCB is to make and breaking of HT contacts in
switchgears.

Answer / narayanamoorthy.i

High Voltage Switch gear & arrested more Sparking & easy
Operating Safty Swtch gear.

Answer / sumit

in practice upto 33KV for quenching arc of current of about
1250 A

Answer / srinivasan

VCB is used Genererally in HT Side Because of economic
consideration and simplest operation to quench the ARC.
VCB is used upto range up to 11 kv and up to 1650amp.

what is the difference between fc-tcr and tsc in facts

3 Answers   SCET Shadan College Of Engineering and Technology,

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what happens if you swap F1 and F2 connection in the exiter of the generator?

1 Answers  

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whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 Answers  

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wat is the first thing dat is needed, 2 lay a cable in some area??

0 Answers  

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Why the field rheostat is adjusted such that the voltmeter reads 380V

0 Answers   SRM University,

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List examples of current sources?

0 Answers  

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why we use 25 kv in railway .not 11kv, or 33 kv

2 Answers   ISRO,

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How PSV sizing being done

0 Answers  

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If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?

1 Answers   Dolphin International,

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

0 Answers  

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why neutral grounding transformer is used for generator and why it is not used for transformers?

1 Answers   UPCL,

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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