During the commutation period in 3 phase converter, overlap time is____________?
Correct answer: C. Dependent on both the load current and load voltage behind the short circuit current
- A. Dependent on the load current
- B. Dependent on the voltage
- C. Dependent on both the load current and load voltage behind the short circuit current
- D. Independent on both the load current and load voltage
Explanation
Commutation overlap is caused by source or leakage inductance, so its duration increases with load current and decreases as the commutating voltage increases. Hence it depends on both current and voltage, as stated in option c.
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