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Permanent magnet (PM) synchronous motors (PMSMs) have been used to drive a number of vehicles. They have high torque density, high efficiency, and a wide speed range. However, the high cost of PMs is disadvantageous. This paper presents a technique for increasing the torque density by modifying the shape of the PMs and minimizing the magnet volume. The PM characteristics such as flux density, demagnetizing...
Permanent magnet synchronous motor (PMSM) has been used to drive a number of vehicles. PMSM has high torque density, high efficiency and wide speed range. However, the high cost of permanent magnets is viewed as a disadvantage. This paper presents a technique that can increase the torque density by modifying the shape of permanent magnets and minimizing the magnet volume. Models were compared by increasing...
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