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1. |
A 230 V, 50 Hz, one-pulse SCR controlled converter has extinction angle β = 210°. Find the circuit turn-off time |
A. | 10 m-sec |
B. | 0 |
C. | 8.3 m-sec |
D. | 5.4 m-sec |
Answer» D. 5.4 m-sec | |