多电平逆变器电压特性及性能优化

H. Balan, M. Buzdugan, A. Pop, R. Munteanu
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引用次数: 0

摘要

多电平变换器的几种固定频率应用要求输出电压的失真系数非常低。将输出电压变为尽可能接近正弦波的形式通常是通过牛顿-拉夫逊代数方程的线性化方法来完成的。第三节中提出的方法使用遗传算法进行波形优化,对降低总谐波失真有积极的影响。使用驱动感应电机的可编程源对该方法进行了实验验证。
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Performances optimization and characteristics of the voltage generated by multilevel inverters
Several fixed frequency applications of multilevel converters require a very low level of distortion factor of the output voltage. Bringing the output voltage to a form as close as possible to a sine wave is usually done through linearization methods of the Newton-Raphson algebraic equations. The method proposed in section III uses for the waveforms optimization a genetic algorithm, having a positive impact on the total harmonic distortion reduction. Experimental validation of the method is performed using a programmable source which drives an induction motor.
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