Physics · Power Electronics
In a single-phase series inverter operating with a purely resistive load and commutating components L and C, the circuit current becomes zero after half of the resonant period. What condition must be satisfied between the supply voltage Vs and the capacitor voltage Vc at the instant of current zero for proper commutation?
- 1Vc = Vs
- 2Vc < Vs
- 3Vc = 0
- 4Vc > Vs✓
Correct answer
Vc > Vs
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