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Power Electronics

Q1:

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

A
a1 - a2 =

B
a1 + a2 = p

C
a1 - a2 = p

D
a1 + a2 =

ANS:B -

a1 + a2 = p

Since one converter is rectifying and the other is inverting Vdc1 = -Vdc2 or a1 + a2 = p.



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