Abstract
A six-phase synchronous reluctance machine (SynRM) is designed for electrical vehicle (EV) powertrain applications. The SynRM in the charger mode is able to provide instantaneous power and high power density, high efficiency with two modes of charge, robust reliability, high safety and fault tolerance. The properties of the SynRM are 60 kW, 9000 rpm and 400 N m. The main objective of the SynRM powertrain used as a charger is proved electrically, thermically and to be fault tolerant using a specific test bench. The winding motor topology is galvanic isolated, making it possible to load directly from the single-phase and three-phase grid, enabling two ways of charging, which increases the reliability. For this reason, the back-to-back full-converter and the SynRM as a charger are used. The main goal is to prove the utility as a charger and the great efficiency derived from the SynRM plus inverter topology for electric cars. This SynRM + inverter topology offers redundancy for all load modes.
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