Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

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What is the use of Isolation Transformer, and Neutral is using for return path, finally this current is going.... but same time the voltage of the neutral should be below 1 V...

6 Answers  

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How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

1 Answers   Sterling Wilson,

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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

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In liquid rotor starter how PH valve should be maintained.

1 Answers  

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why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

7 Answers   HP,

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Which Kind of machines(in terms of poles) give the smoothest DC

0 Answers  

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what is the VA(Voltampire)? define with calculation?

4 Answers  

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IN a transformer during power supply how the LV and HV bushing works??

3 Answers   CSEB,

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how much allowable resistance that can be difference in motor all coils?

0 Answers  

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