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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 source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding an R load.The power delivered to the load is 6839.3 Watts.The maximum value of the load current is √2 x 22 A.Fin, the rms value of output voltage Vo (rms) |
A. | 257.3 V |
B. | 220 V |
C. | 261.52 V |
D. | 248.32 V |
Answer» D. 248.32 V | |