Voltage-Injection Method for Mitigating Harmonic Currents in Open-Ended Winding Permanent Magnet Synchronous Motors

A method for reducing the harmonic currents in open-end winding PMSMs is proposed by injecting voltage, which enhances the efficiency of the drive without influencing the core component responsible for the generation of torque. The dual-inverter open-end winding arrangement allows for voltage injection to dramatically reduce total harmonic distortion (THD), torque pulsations, acoustic noise, and copper losses, while increasing control flexibility. This approach is well suited for industrial motor drive systems and advanced electric vehicle traction because to its efficiency, responsiveness and dependability in MATLAB/Simulink under different load and speed situations.

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