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1. |
A three-phase M-3 converter is operated from a 3-phase, 230 V, 50 Hz supply with load resistance R = 10 Ω. Find the value of firing angle if an average output voltage of 50% of the maximum possible output voltage is required.Hint: α > 30°. |
A. | 92.7° |
B. | 67.7° |
C. | 45° |
D. | 75.7° |
Answer» C. 45° | |