In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes?
A. Positive
B. Negative
C. Zero
D. None of these
Answer:A
In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes?
A. Positive B. Negative C. Zero D. None of these