why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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What is double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?

1 Answers   vguard,

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what happen if we supply ac to the field of a alternator?

5 Answers  

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What is a compensator?

0 Answers  

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how starting current in motor is reduced in case of motor in star connection.

4 Answers   Adhunik,

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What is the function of neutral CT in transformer? Turn ratio of typical CT for 2MVA transformer ? or relation between full load current of transformer and neutral CT ?

1 Answers   Electrical Inspectorate,

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WHAT IS THE DIFFERENCE BETWEEN NUTREL AND EARTHING

10 Answers   Areva,

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

0 Answers   APTransco,

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why the LED of my electrical meter glows even after the line has gone. what actually the reason?

3 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers   L&T, WFP,

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what is Ith current?

4 Answers  

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what is the relationship between current and frequency in AC circuit?

3 Answers  

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