After synchronization with grid how to maintain the power factor in lagging or in leading? if lead of lag what is the problem?

3 Answers  

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Please specify the parts of VCB&ACB

1 Answers  

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At what voltage domestic tubelight works?

2 Answers   Cigfil, L&T, MNC,

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,

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why transmission is only 3 phase and not 2 or 4 or poly phases

0 Answers   Infosys,

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what are the protection for DG set and why?

2 Answers  

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what's the difference between induction generator and synchronous generator?

1 Answers   IBM,

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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what is the size of cable for 15kw motor and 85 meter cable length using with vfd

0 Answers  

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whats the reletion betweet flow,pressure,head,rpm and motor rating?

1 Answers  

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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