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				| 1. | A three-phase half-wave controlled converter is fed from a 3-phase, 400 V source and is connected to a load which takes a constant current of 36 A. Find,the value of average output voltage and average current rating of SCR for a firing angle of 30°. | 
| A. | 234 V, 36 A | 
| B. | 234 V, 12 A | 
| C. | 135 V, 36 A | 
| D. | 135 V, 12 A | 
| Answer» C. 135 V, 36 A | |