Answer / Khajan Singh

Capacitors can be used to improve various electrical circuits in several ways. For instance, they can serve as energy storage elements, filter unwanted frequencies, provide voltage regulation, and reduce electromagnetic interference (EMI) or radio-frequency interference (RFI). The exact application depends on the specific circuit design.

what is meant by negative sequencing in power system.explain in detail

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why grid failure happens?

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How to measure the earth resistance value in a concrete pavement(flood light area)?

1 Answers   ANZ, Watt,

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A 60W,250V bulb when connected to a 230V supply will it give more light or less or will be give normal light?

3 Answers   MahaGenco,

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which is more danjerous high voltage or high current

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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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as we see that in our country the power rating for transmission is always rated in multiple of 11 like 11kv,33kv,66kv132kv. So i want to know wht is reason or logic here.

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can v use earth as nutral. yes than y.if not y.

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what is the purpose of CT,PT

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Why we check only first column of root locus..?

1 Answers   IES,

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what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

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