Question

The output voltage of a converter is changed by varying ______________________.
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Answer 1

The output voltage of the inverter can be modified by changing the DC-link voltage amplitude or by changing the modulation index

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Answer 2

The output voltage of a converter is changed by varying DC-link voltage amplitude or by using a control circuit to change the inverter's modulation index

Explanation:

• A dc/dc boost converter or a z-source inverter (Quasi Z-Source Inverter) can boost the input dc-link voltage.
• It's also possible to employ space vector PWM to make the most of the DC-link voltage.
• To alter the output, the DC input voltage to the inverter is sometimes regulated.
• Variable DC Link Inverters are a type of inverter. The output of the inverters might be single phase or three phase.
• A DC-to-DC converter or a regulated rectifier controls the DC link voltage.