Five-Level Unidirectional T-Rectifier for High-Speed Gen-Set Applications


Multilevel Power Electronic topologies are being proposed within the recent technical literature for use in power generating units, especially when the reduction in the ability filter overall dimensions and the lowering of current and voltage waveform ripple and total harmonic distortion are thought of of primary importance. This is the case of high-speed gen-set units, where recent design techniques on high rotational speed permanent-magnet synchronous generators (PMSGs) have significantly reduced the inductance even for industrial voltage rated applications. This paper deals with a five-level unidirectional T-rectifier (5L T-RECT); the proposed topology is theoretically investigated, and simulation results and losses analysis are achieved with regards to an insulated-gate bipolar transistor (IGBT) phase-leg module which has been manufactured on purpose and tested.

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