A 3-phase semi-converter works as a six-pulse converter when the firin

1.	A 3-phase semi-converter works as a six-pulse converter when the firing angle α is:
A.	between 60° to 120°
B.	between 0° to 60°
C.	between 90° to 150°
D.	between 120° to 180°
Answer» C. between 90° to 150°

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A 3-phase semi-converter works as a six-pulse converter when the firing angle α is:

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