define the power factor in one word
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Answer / arvind arora
RATIO OF REAL POWER/APPRENT POWER,THIS IS BASSICALLY
"EFFICIENCY OF POWER CIRCUIT"
FOR EXA.--PF-.8=80%REAL POWER AND 20%REACTIVE POWER IS
FLOWING IN CIRCUIT.
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Answer /
The ratio of watts to Volt-Amperes of an AC electric
circuit.
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Answer / shashikumar b n
POwer factor is the effective energy that can be utilized
for the work.
Power factor = Real power/Apparent power
A simple analogy:
It is like, a beer bottle with foam, the percentage of the
actual liquid is the real qty of liquid. The rest is foam.
Similarly, the real power is the qty of liquid beer, the
apparent power is the ful beer bottle with liquid as weel
as foam.
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Answer / sudhir singh
the cosine of the angle between viltage and current is
called power factor
Is This Answer Correct ? | 1 Yes | 1 No |
why is power supplied in 3 phase only? why not in 2 or 4 phases?
One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?
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