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1. |
A single phase 50 hz, generator supplies an inductive load of 5 MW at a power factor of 0.8 lagging using OHTL over 20 km. The resistance and reactance are 0.39 and 3.96 . The voltage at receiving station is maintained at 10 KV. The sending end voltage is 11.68 kV. If the voltage regulation is reduced to 50%, then the power factor angle at this operation mode will be ________ |
A. | 18.04 , lagging |
B. | 18.04 , leading |
C. | 21.06 , leading |
D. | 21.06 , lagging |
Answer» B. 18.04 , leading | |