For a single-phase dual converter, with converters C1 and C2 connected in anti-parallel, which relation among the following is true to keep the average voltages from C1 and C2 equal? C1 and C2 have firing angles 1 and 2 respectively.

For a single-phase dual converter, with converters C1 and C2 connected

1.	For a single-phase dual converter, with converters C1 and C2 connected in anti-parallel, which relation among the following is true to keep the average voltages from C1 and C2 equal? C1 and C2 have firing angles 1 and 2 respectively.
A.	1 = 2
B.	1 + 2 = 360
C.	1 + 2 = 180
D.	none of the mentioned
Answer» D. none of the mentioned