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In a single phase dual converter, a1, and a2 are firing angles of the two converters. Then

a1 - a2 =
a1 + a2 = p
a1 - a2 = p
a1 + a2 =

Correct Answer: a1 + a2 = p

Explanation:

Since one converter is rectifying and the other is inverting

V_dc1 = -V_dc2

or a₁ + a₂ = p.

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