Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

0 Answers  

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when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

0 Answers   Power Grid,

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Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

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What will happen when we connect 2 bulbs in series between 2 phases

7 Answers   Pepsi, PowerTech,

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Why are lt windings placed near the core?

0 Answers  

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Explain what are inter-poles and why they are required in a dc machine.

0 Answers  

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

0 Answers  

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What is the disadventage of gland earthing(power cable) if any. ?

0 Answers  

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What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

4 Answers   CGL,

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WORKING PRINCIPAL OF MCB

5 Answers   TATA,

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What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

3 Answers  

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