Explain what is use of lockout relay in ht voltage?

0 Answers  

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1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

0 Answers  

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What r the specification furnishid in motor name plate?

5 Answers  

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what is meant by directional earth fault and non directional earth fault? describe both.

0 Answers  

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

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what diff. between earth nd neutral?

3 Answers   NTPC,

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how to measure genset CT coil range?

1 Answers  

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Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?

1 Answers  

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Why we apply 100ADC for contact resistance measurement?.If we apply AC what will happen

4 Answers  

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What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

1 Answers  

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define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

4 Answers   Siemens, VPEC,

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what types of fault occurred in transmission line ? which protection function senses the fault?

1 Answers  

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