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1. |
A three-phase full converter charges a battery from a three-phase supply of 230 V. The battery emf is 200 V. Find the value of the firing angle if the battery terminal voltage is 210 V. |
A. | 36.54° |
B. | 56.7° |
C. | 89.3° |
D. | 47.45° |
Answer» E. | |