Answer / ponraj

the motor is runing as high speed. the 1 phase was going
tothe motor , the motor winding is burn.

Answer / raj

If a three phase motor is suddenly single phased, nothing
will happen to the motor. Perhaps the motor will coast down
to stop. Single phased means only one phase out of three is
connected to the motor, and since the neutral is never
connected to a three phase motor, there fore no current
will flow into the motor and hence motor will stop as usual.

mccb service sittings be done?

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How to calculate D.C load current?

3 Answers  

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v=I*R, i.e V is directly proportional to I. now P=V*I. so V=P/I. thus v is inversely proportional to I. so what is the correct one? If both are correct than for which kind of condition this 2 differ

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why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 Answers  

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hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

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why rating of motor in HP

2 Answers   MSL,

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why we use to transmit the power in three phases intead of single phase ?

4 Answers  

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Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks

2 Answers  

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What is working principle of washing machine?

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what is the formulae for selcting capacitor bank to increas pf

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Why (In India) we preferably go for +-30 deg connection of transformer? what are the advantages in this connection?

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In batteries after completion of charging which colour gas is emitted from it?

2 Answers   Essar,

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