why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

6 Answers   Accenture, Bhel, Reliance,

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Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 Answers  

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In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

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How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

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how we select the mva rating of the circuit breakers?

1 Answers  

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Inverter. converter. Ups.MCB.solar.alternators. motors.

0 Answers   Cisco,

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What is ELR, and where it is used ?

7 Answers   KSEB,

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why swityard is necessrry requirement in any bis power distributin systems?

0 Answers  

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What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

0 Answers  

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why grid frequency varry time to time?

2 Answers  

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how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

1 Answers   Enercon,

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Derive the inductance of a coil in terms of its physical factors.

1 Answers  

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