SIMULATION AND EXPERIMENTAL INVESTIGATION OF DUAL THREE-PHASE BLDC MOTOR OPERATION AT IMBALANCED MODULAR LOADING

This project offers a complete simulation and evaluation framework for a dual three‑phase (DTP) brushless DC motor (BLDCM) that works under uneven modular loading. Using a stator made of several three‑phase winding sets gives better fault tolerance and efficiency for self‑powered electric vehicles. But when the electrical load is not the same across the modules, and the winding sets magnetically interact with each other, the motor’s electromagnetic torque ripples become much larger. The work guides you through building a circular model of a DTP permanent‑magnet machine in Matlab/Simulink. The model is based on finite‑element analysis (FEA) data from a real prototype. It then systematically studies torque‑ripple behavior for different load‑imbalance

cases, comparing results with and without the magnetic coupling between winding sets. The analysis is done for both open‑loop and closed‑loop control setups. For M.Tech students, this project provides a clear, step‑by‑step methodology and the necessary component details to study and reduce torque pulsations in multiphase modular drives. The ultimate goal is to help create electric propulsion systems that are highly reliable.

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