A three-phase, ac /dc converter is excited by a three-phase source of 480 V (rms and line-to-line). Compute the following:
a. The rms voltage across the load when the triggering angle is 30o.
b. The average voltage across the load when the triggering angle is 140o
. Keep in mind that the conduction is incomplete when the triggering angle is greater
than 90o
a. Full wave converter:
b. Eq. 3.54 is valid for ? ? ° 90 . For ? > ° 90 , we can develop the following
equation
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