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A Harmonic Compensation Method for Three-level Active Power Filter Based on Predictive Control

机译:基于预测控制的三级有源电力滤波器谐波补偿方法

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I0642. The model predictive controller is used to predict the reference current of the next control cycle. The three-level topology has the advantages of large output capacity, high output voltage and low harmonic content. The three-level structure has been widely applied in the field of the regulation of high voltage and high-power AC motor. In this paper, the equivalent structure of APF system for predictive current control is established, and the stability analysis is decomposed into two parts: current prediction algorithm stability and SVPWM stability. Fuzzy complex control is complemented on the DC bus voltage. The proposed method effectively reduces the harmonic content and improves the compensation accuracy. The simulation results verify the effectiveness of the proposed method.
机译:I0642。模型预测控制器用于预测下一个控制周期的参考电流。三级拓扑具有大输出容量,高输出电压和低谐波含量的优点。三级结构已广泛应用于高压和大功率交流电动机的调节领域。本文建立了预测电流控制的APF系统等效结构,稳定性分析分解为两部分:电流预测算法稳定性和SVPWM稳定性。模糊复杂控制与直流母线电压相互补充。所提出的方法有效降低了谐波含量并提高了补偿精度。仿真结果验证了该方法的有效性。

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