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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Define the overload capacity of the motor?

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What is the safety protection? Name the protections of Transformer?

1 Answers   HSL,

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Explain the working of any one cutting machine

0 Answers   Mahatma Gandhi University,

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What is the meaning of Fault level rating?

1 Answers   Balrampur Chini Mill,

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what is the concept of star delta starter?

7 Answers  

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if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

0 Answers   Delta,

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

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What is a pulse transformer?? Can it be called as a dc transformer??

1 Answers  

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We are having Chemical earthing pit the voltage between neutral to earth showing 22V how to solve that

4 Answers  

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There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?

3 Answers  

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in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 Answers  

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