Answer / shahid

It is a case of short circuit, in short circuit voltage
drops to zero & current becomes infinite, this high current
sences by protective relay and circuit trips.

Answer / abhishek goyal

Its a symmetrical fault when 3phase line are connect each
other at that time its voltage is zero and current go at
infinite level which can be trip by relay. if relay are not
present it will effect the system equipment and load.

How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 Answers  

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What are the main faults of DC generators?

0 Answers   Mercantile Marine Department,

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why three phase three wire system probably did'nt have neutral

2 Answers   Marico,

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

0 Answers  

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the need of star to delta anddelta to star

2 Answers  

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why generation of electricity in low value voltage

3 Answers  

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What is the basis for framing the rules of block diagram reduction technique?

0 Answers  

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how does the harmonics enter into the induction motors?

1 Answers  

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In the UVR(Under Voltage Relay) there is a knob for the hysteresis setting. what is this setting? its threshold is given from 5% to 50%. please help me....

2 Answers  

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How transformer winding & oil gets heat.

3 Answers  

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why the voltage and current in a long transmission line are called travelling wave?

0 Answers   UIU,

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WHAT IS A LINE CURRENT AND PHASE CURRENT

3 Answers  

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