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Electric vehicle (EV) is expected as a solution for protecting the global environment. In EV, safety and design-flexibility can be improved by configuring two or more-wheel drive which uses in-wheel motors. As in-wheel motor, permanent magnet synchronous motor (PMSM) is suitable at the viewpoints of the power density and the efficiency. However, a PMSM requires a three-phase inverter; thus, two-wheel...
Novel topology of an inverter that can independently control two permanent magnet synchronous motors (PMSMs) is proposed. In conventional, 12 switching devices, i.e. two three-phase three-leg inverters, are required to control two PMSMs; thus, the equipment size becomes large. The proposed inverter requires the same number of switches as the conventional inverter, i.e. only 6 switching devices. In...
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