what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 Answers  

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why we using capacitor in single phase motor ?

14 Answers  

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If the field winding of the dc shunt motor is removed then what will happen to the motor ? will it turn or not

2 Answers  

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How to calculate the Short Circuit Impedance in Transformer?

3 Answers  

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what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

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What is the difference between earth and neutral

4 Answers   ABB, Tamboli Engineers,

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Explain the different regions in frequency response?

0 Answers  

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How many earthing pits are requier to disapper the surge current of one lighting arrester.

3 Answers  

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what is the difference between indoor & Out door substations

5 Answers   HSBC,

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What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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what is starting current and use of starting current?

3 Answers  

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