While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

0 Answers   Engineering,

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Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

0 Answers  

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what is the use of providing earthing for tanks? i know for lightning we use earthing ? Here one of my ONGC project there is no need of lightning protection and there is no power connection near by tank in that situation also ONGC asking earthing for tanks but we didn't understanding why they asking earthing? is anybody tell exact answer?

4 Answers  

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which type of motor complete it's one rotation in 30 day's.

2 Answers  

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Definition of grid?

7 Answers   L&T, Pace Power Systems, Vijai Electricals,

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 Answers  

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

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how to calculate the Neutral transformer impedance?

0 Answers   Schneider,

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why power dissipation is due to low frequency?

1 Answers  

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What is LOP Sensor in DG??????

7 Answers   Emerson,

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In UPS, battery connections if parallel connection given, what will happen?

2 Answers  

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