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This paper introduces a new method to stabilize synchronous reluctance motors (SynRMs) driven by efficiency optimized V/f control utilizing optimized flux. Efficiency optimized V/f driven SynRMs are prone to instabilities. Specifically, it becomes unstable for either fast ramp acceleration or large load disturbances. For example, in an efficiency optimized V/f control scheme, flux is reduced under...
Multiphase variable speed drive systems have gained more and more interest recently because of their lower torque ripple as a result of the harmonic cancellation effects between phases. This paper presents a nine phase variable speed drive system with reduced frequency PWM control scheme. The proposed PWM scheme is tailored for multiphase winding to reduce torque ripple and associated rotor losses...
Multiphase variable speed drive systems have gained more and more interest recently because of their lower torque ripple as a result of the harmonic cancellation effects between phases. This paper presents a nine phase variable speed drive system with reduced frequency PWM control scheme. The proposed PWM scheme is tailored for multiphase winding to reduce torque ripple and associated rotor losses...
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