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1. |
A three-phase, 4-pole, self excited induction generator is feeding power to a load at a frequency f1. If the load is partially removed, the frequency becomes f2. If the speed of the generator is maintained at 1500 rpm in both the cases, then |
A. | f1, f2 > 50 and f1 > f2 |
B. | f1 < 50 Hz and f2 > 50 Hz |
C. | f1, f2 < 50 Hz and f2 > f1 |
D. | f1 > 50 Hz and f2 < 50 Hz |
Answer» D. f1 > 50 Hz and f2 < 50 Hz | |