Answer Posted / bala

d)y/y

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

2012

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How many types of probe used in cro?

1193

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What do you mean by dependent and independent voltage sources?

1027

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An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

2134

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Did RMU have ct and pt ?

1349

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How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3816

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IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

4104

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What is bridge rectifier and explain with details

1906

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lamination figures

1840

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working of diesel generator ?

1819

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for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

1944

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IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3847

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can u give me a brief idea about power line carrier communication ??

1960

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how to find three phase complex power in per unit and MVA?

2170

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How to Calculate the Fault Level of Electrical Installation

2248

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