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1. |
A step-down delta-star transformer, with per-phase turns ratio of 5 is fed from a 3-phase 1100 V, 50 Hz source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding feeding an R load. Find the average value of output voltage. |
A. | 220 V |
B. | 257 V |
C. | 1100/√3 V |
D. | 206 V |
Answer» C. 1100/√3 V | |