SCR’s of 3 phase PAC replaced by diodes - Result

Q.  If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered
- Published on 08 Sep 15

a. 120 degree after the zero crossing of the corresponding line voltages
b. 60 degree after the zero crossing of the corresponding line voltages
c. 120 degree before the zero crossing of the corresponding line voltages
d. 60 degree before the zero crossing of the corresponding line voltages

ANSWER: 60 degree after the zero crossing of the corresponding line voltages

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