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1. |
A 500 kVA, 2300 V, 3-phase star connected alternator has a full load armature resistance drop of 50 V per phase and an effective reactance drop of 500 V per phase. The percentage regulation at UPF is |
A. | 1.05 |
B. | 10.5 |
C. | 21.8 |
D. | 28.7 |
Answer» C. 21.8 | |