in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

0 Answers  

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What if the difference beween internal and exrteranal LBB?

0 Answers  

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What is the difference between neutral and ground?

3 Answers   Cethar Limited, Torrent Power,

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WHEN I AM CONNECTIN TWO ELCB IN PARALLEL.ONE ELCB TRIPPED...HOW IT HAPPEND??

5 Answers  

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1.what to do if ferquency of any power system continue to decrease ?

5 Answers   NTPC,

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

0 Answers  

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Havells,

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Resistance of a conductor in a close electrical ckt is practically zero why?

1 Answers  

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what is the disadvantages of star connected alternator?

4 Answers  

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can you show me the components inside a air circuit breaker with connection diagram?

1 Answers  

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How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

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