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首页> 外文期刊>Journal of power electronics >Multiple-Period Repetitive Controller for Selective Harmonic Compensation with Three-Phase Shunt Active Power Filter
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Multiple-Period Repetitive Controller for Selective Harmonic Compensation with Three-Phase Shunt Active Power Filter

机译：具有三相并联有源电力滤波器的选择性谐波补偿的多周期重复控制器

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摘要

This paper presents a shunt active power filter (SAPF) for compensating inter-harmonics and harmonics when inter-harmonics content is evident in the grid. The principle of inter-harmonics generation in the grid was analyzed, and the inter-harmonics effect on repetitive controllers was discussed in terms of control performance. Traditional repetitive controllers are not applicable in inter-harmonic compensation. Moreover, the effect of an ideal controller on harmonics signals was analyzed on the basis of the internal model principle. The repetitive controller was improved in the form of a basis function according to theoretical analysis. The finite-dimensional repetitive controller, which is also called the multiple-period repetitive controller, was designed for the control of multiple periodic signals. A selective harmonic compensation system was developed with SAPF. This system can be used to compensate harmonics and inter-harmonics in the grid. Finally, system control performance was verified by simulation and experimental results.
机译：本文提出了一种并联有源电力滤波器（SAPF），用于在电网中谐波含量明显的情况下补偿谐波和谐波。分析了电网间谐波产生的原理，并从控制性能的角度探讨了谐波对重复控制器的影响。传统的重复控制器不适用于谐波间补偿。此外，根据内模原理分析了理想控制器对谐波信号的影响。根据理论分析，以基函数的形式对重复控制器进行了改进。有限维重复控制器（也称为多周期重复控制器）设计用于控制多个周期信号。 SAPF开发了选择性谐波补偿系统。该系统可用于补偿电网中的谐波和间谐波。最后，通过仿真和实验结果验证了系统控制性能。

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