Electromagnetic torque of I-V-U-2U interior permanent magnet (IPM) motor has been implemented for electric vehicle applications. Average torque and output power are implemented by FEA-finite-element analysis. It is show that the rotor structure with double U layer -interior permanent magnet has the higher power and efficiency. The two-layered permanent magnet assistance 2U has the highest Lq/Ld rate because of flux barrier width and length. Finally, the IPM machine with 2U layered magnets rotor is verified with commercial motors.
Detail Design of Interior Permanent Magnet Motor for Electric Vehicle
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