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In a VSI (Voltage source inverter)

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+1 vote
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in Power Electronics by (27.1k points)
In a VSI (Voltage source inverter)

(a) the internal impedance of the DC source is negligible

(b) the internal impedance of the DC source is very very high

(c) the internal impedance of the AC source is negligible

(d) the IGBTs are fired at 0 degrees.

This question was addressed to me in final exam.

This is a very interesting question from Single Phase VSI-1 in section Inverters of Power Electronics

1 Answer

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by (45.1k points)
Right choice is (a) the internal impedance of the DC source is negligible

The best explanation: A VSI is the one in which the internal impedance of the source is negligible. It has a stiff DC source at its input.

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