Answer / k.prakashchandra

If the point ct neutral earthing is in the path of earth
fault current, there is likelihood of tripping of standby
transformers on earth fault.

What is the main purpose of relay?

1 Answers  

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Why alternators are designed at 0.8 pf lag?

3 Answers  

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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

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basic differance between electrical and electronic.

1 Answers   Jindal,

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What is plc.

2 Answers  

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Which Kind of machines(in terms of poles) give the smoothest DC

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while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

0 Answers   Enercon,

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What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 Answers  

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check list for anuval maintatince check list of oil transforms

2 Answers  

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How can we select a capacitor Bank.? i need a standard formula for that.?

3 Answers   ABB, Ace Info, HAL, IKK, MahaGenco,

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

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