What is Rectifier?

Definition

A circuit that converts alternating current to direct current using diodes or thyristors. Rectifiers form the input power stage of AC drives, charging the DC bus capacitors from the mains supply.

Related Terms

Bridge Rectifier

A circuit of four or six diodes that converts AC power into pulsating DC. Bridge...

DC Bus

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

Diode

A semiconductor device that allows current to flow in one direction only. Diodes...

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