What is Bus Voltage?

Definition

The DC voltage level on the internal power bus of a drive or inverter, typically created by rectifying incoming AC power. Monitoring bus voltage helps diagnose power supply faults and overvoltage conditions.

Related Terms

DC Bus

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

Overvoltage

A condition where voltage exceeds the rated maximum, often caused by regenerativ...

Inverter

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

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