A 50 Hz, 4 pole turbo generator rated at 20 MVA, and 13.2 kV, with an inertia constant of 9 kW-sec/kVA is delivering rated MVA at 0.75 pf lagging, when a fault reduces its electrical power output to 50%. Neglecting losses and assuming constant power input to the shaft, what is the accelerating torque at the time of occurrence of the fault?
A 50 Hz, 4 pole turbo generator rated at 20 MVA, and 13.2 kV, with an inertia constant of 9 kW-sec/kVA is delivering rated MVA at 0.75 pf lagging, when a fault reduces its electrical power output to 50%. Neglecting losses and assuming constant power input to the shaft, what is the accelerating torque at the time of occurrence of the fault?
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Transcribed Image Text:A 50 Hz, 4 pole turbo generator rated at 20 MVA, and 13.2 kV, with an
inertia constant of 9 kW-sec/kVA is delivering rated MVA at 0.75 pf lagging,
when a fault reduces its electrical power output to 50%. Neglecting losses
and assuming constant power input to the shaft, what is the accelerating
torque at the time of occurrence of the fault?
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