Abstract
The increase in energy requirements and the depletion of conventional energy sources have made the world look into Electric Vehicle (EV) technology. Zero-emission Electric Vehicle is the key to the energy crisis and environmental problems caused by internal combustion engine vehicles. Electric Motor is the heart of EV, so its selection is crucial. Switched Reluctance Motor (SRM) is a promising motor for EV applications due to its rare-earth-free characteristics, structural simplicity, high fault tolerance, and low price. However, noise and vibrations due to radial force, the major challenges currently faced by SRM drives, should be addressed to make them suitable for the automotive industry. This paper reviews various aspects of acoustic noise problems and vibrations and the solutions to minimize these through radial force improvements in SRM. By two-stage commutation, a method of Active Vibration Cancellation (AVC), noise issue is reduced to a minimum value without compromising other performance parameters. By optimizing the negative voltage during commutation, two stage commutation can effectively solve acoustic noise problems in SRM.
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