draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

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define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

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how pt is using

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how to measure the A.C flux .-instrument

8 Answers   NTPC,

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what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing

4 Answers  

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what is onan, onaf, ofan, ofaf in transformer?

8 Answers  

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In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

0 Answers  

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How can maintain our H.T. motors used in cement plant. please send me procedure.

0 Answers  

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I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 Answers  

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Pl. share your experience about industrial-electronics repair of machine tool.

0 Answers  

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why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?

0 Answers  

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What is Difference Between static & Dynamic Pressure of Fan & Blowers

2 Answers  

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