用级联多电平变换器优化感应电机的V/F控制

2017 IEEE XXIV International Conference on Electronics, Electrical Engineering and Computing (INTERCON) Pub Date : 2017-08-01 DOI:10.1109/INTERCON.2017.8079716

L. P. Fernandez, Jorge Luis Diaz Rodriguez, Edison Andrés Caicedo Peñparanda

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引用次数: 3

摘要

本文研究了一种采用级联多电平变换器的感应电机的V/F控制和THD优化。优化算法是一种遗传算法，通过在整个工作频率范围内将总谐波失真(THD)保持在非常接近0%的水平，可以获得电压/频率比(V/F)，从而随着频率的降低而降低电压值。功率转换器是一个共源级联h桥多电平逆变器，每线电压最大15步。采用三相感应电机对逆变器进行仿真。仿真结果可以验证在所有频率工作范围内的THD优化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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V/F control of an induction motor with THD optimization using cascaded multilevel converters

This paper deals with the development of a V/F control of an induction motor with THD optimization using cascaded multilevel converters. The optimization algorithm was a genetic algorithm, which allows to obtain a voltage vs. frequency ratio (V/F) that decreases the voltage value as the frequency is reduced by maintaining the total harmonic distortion (THD) at levels very close to 0% over the entire frequency range of operation. The power converter is a common-source cascaded H-bridge multilevel inverter with maximum 15 steps per line voltage. The inverter was simulated by supplying a three-phase induction motor. The result of the simulations allows verify the optimization of the THD throughout all of the frequency operation range.

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2017 IEEE XXIV International Conference on Electronics, Electrical Engineering and Computing (INTERCON)

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