In a single-phase full-wave SCR circuit with ___

In a single-phase full-wave SCR circuit with R, L load

A. power is delivered to the source for delay angles of less than 90°
B. the SCR changes from inverter to converter at α = 90°
C. the negative dc voltage is maximum at α = 180°
D. to turn-off the thyristor, the maximum delay angle must be less than 180°.

Show Answer

Answer: C

Share your understanding of this question with the correct explanation.