Inverter for a switched reluctance motor and mechatronic system

摘要

The converter (1) has a rectifier (B1) provided for converting alternating current (UN) into an intermediate circuit direct current. An intermediate buffer is designed as a capacitor (Cdump) connected between a positive pole (9) of a direct current-intermediate circuit (7) and an output of free-wheeling diodes (D1, D2). A switch (Tgem) is designed to bridge the capacitor at time intervals such that discharge of the capacitor takes place by activated phase windings (Ph1, Ph2) of an electric motor. The capacitor stores communication energy based on a charging process in the phase windings. An independent claim is also included for a mechatronic system comprising a reluctance motor.