Three-phase inverter, has partial power converters placed in electrically conductive connection with windings and with DC-sided connectors and electrically connected in series, where each converter is frequency pulsed power converter

摘要

The inverter has a multi-pulse input power converter (48) with two partial power converters, a machine-sided three-phase power converter and a power converter-transformer (22) with two secondary windings (18, 20). The partial power converters on the AC voltage side are in electrically conductive connection with the windings and with DC-sided connectors. The partial converters on the DC voltage side are electrically connected in series, where each partial converter is a fundamental frequency pulsed power converter.