Question: 5 . A three - phase controlled rectifier is supplied from a 4 1 6 0 Vrms , 6 0 Hz input source. a )

5. A three-phase controlled rectifier is supplied from a 4160Vrms,60Hz input source. a) Assuming no ac inductance, if the dc load is a 120 resistor, determine the firing angle if the average load current is 25A. b) If the dc load is replaced with a current source of 25A, and the ac inductance is 100mH, what is the average voltage for of 0,30, and 60 degrees?

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