Why the output of generator varies eventhough the shaft
speed is constant in thermal power plant?
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Answer Posted / k.prakashchandra
There is some defect in governor or pressure tank.When the
gen is connected to grid the speed remains constant as the
grid determines the speed.Check pf meter for fluctuations
also.These are teething problems in newly commissioned
gen.If the AVR is defective there will be fluctuations in
pf but not load
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