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Drives

What is Voltage Source Inverter?

Definition

An inverter topology that maintains a stiff DC bus voltage and modulates the output using PWM. Voltage source inverters are the dominant topology in modern AC drives and servo amplifiers.

Related Terms

Inverter

The output stage of a drive that converts DC bus voltage into variable-frequency...

PWM (Pulse Width Modulation)

A technique used by drives to create variable-voltage, variable-frequency AC out...

DC Bus

The internal DC power rail within a drive where rectified AC power is stored bef...

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