Discussion
A multilevel inverter produces an output waveform with
Answer: A
Correct answer: more voltage steps and therefore less distortion
A multilevel inverter synthesises the output from several dc levels rather than two, so each step is smaller and the waveform approaches a sine more closely. Harmonic distortion falls, the rate of rise of voltage falls with it, and each device blocks only a fraction of the total - which is what makes the topology attractive at medium voltage.
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