Electronics and Communication Engineering - Power Electronics - Discussion


A single phase semiconverter is feeding a highly inductive load and has freewheeling diode across the load. The waveshapes of output voltage and output current

[A]. are similar
[B]. are not similar
[C]. may be similar or dissimilar
[D]. are similar only if firing angle is zero

Answer: Option B


When freewheeling diode conducts output current exists but output voltage is zero.

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