Electronics and Communication Engineering - Power Electronics - Discussion

Discussion Forum : Power Electronics - Section 2 (Q.No. 5)
A single phase semiconverter has a freewheeling diode. If the firing angle is a and the load is purely resistive, the periods of conduction and freewheeling respectively are
p - a and 0
p - a and a
p + a and 0
p + a and a
Answer: Option

Freewheeling diode conducts only when load is inductive. If load is purely resistive free wheeling diode does not come into operation.

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