What meant by lagging and leading? When if they are occurred what preventive methods should be taken?

14 Answers   ABB, L&T,

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why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

0 Answers   TMB,

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Why ct secondary is not kept open while primary charged. Answer in terms of ct parameters.

4 Answers   Power Grid,

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What is meant by H.R.C fuse?

40 Answers   Gas Projects, GSCE, Taj Group,

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Why indicated only R.Y.B to phase.

6 Answers   Bhel,

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what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,

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HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

0 Answers  

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how we can measure the dc current instead of clamp meter ?

1 Answers  

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what is the max. acceptable leakage current in 33kv bus bar

0 Answers   Tanesco,

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What is the difference between ACB & MCCB?

7 Answers  

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