Question

in a converter when firing angle is less than 90 degree then the converter acts as
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Answer 1

Answer:

Now, if the firing angle is more than 90 deg, then the delay angle of input ac current is also more than 90 deg

Answer 2

If the firing angle is more than 90 deg, then the delay angle of input ac current is also more than 90 deg.

Hope it helps you!