m.babu


{ City } samalkot
< Country > india
* Profession * junior manager
User No # 93159
Total Questions Posted # 1
Total Answers Posted # 3

Total Answers Posted for My Questions # 1
Total Views for My Questions # 3008

Users Marked my Answers as Correct # 65
Users Marked my Answers as Wrong # 17
Questions / { m.babu }
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What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

 1 Electrical Engineering 3008



Answers / { m.babu }

Question { 12181 }

what is mean by NTPC?,why didn't electric shock in train?


Answer

Train acts as a return conductor.

Is This Answer Correct ?    3 Yes 9 No

Question { 17866 }

which type of breaker sould be used for different level of
voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....


Answer

For 11KV and 33KV voltage levels vaccum circuit breakers
are to be used.
For 66KV voltage level SF6 breakers are to be used.

Is This Answer Correct ?    36 Yes 5 No


Question { 31559 }

How open delta used for protection?


Answer

By giving these two wires to Neutral displacement relay.
in the event of earth fault condition some voltage appears
across the relay and it will trips the circuit breaker.
In healthy condition '0' volts across the relay.

Is This Answer Correct ?    26 Yes 3 No