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首页> 外文期刊>Industrial Electronics, IEEE Transactions on >Parallel-Connected Shunt Hybrid Active Power Filters Operating at Different Switching Frequencies for Improved Performance
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Parallel-Connected Shunt Hybrid Active Power Filters Operating at Different Switching Frequencies for Improved Performance

机译：并联连接的并联混合有源电力滤波器，以不同的开关频率工作，以提高性能

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摘要

This paper proposes a combination of low- and high-frequency hybrid active power filter (APF) to operate in parallel for better performance. The individual hybrid APF is a series combination of L-C filter with the corresponding voltage source inverter. The dc links of both the inverters are connected in parallel, and the voltage of the dc link is maintained by the low-frequency inverter (LFI). The low- and high-frequency inverters eliminate lower order and higher order harmonics, respectively. In addition, it is possible to design the LFI such that it can also compensate the reactive power of the load. The individual L-C filter of the hybrid topology is designed to take care of specific order of harmonics that are predominant in the load. A combination of feedforward and feedback controller is designed for the proposed conditioner. The performances of the proposed topology and the controller are first examined by MATLAB/SIMULINK-based simulation. An experimental prototype is also designed to confirm the usefulness of the proposed system.
机译：本文提出了低频和高频混合有源电力滤波器（APF）的组合，以并联运行以提高性能。单个混合式APF是L-C滤波器与相应电压源逆变器的串联组合。两个逆变器的直流母线并联连接，并且直流母线的电压由低频逆变器（LFI）保持。低频和高频逆变器分别消除了低阶和高阶谐波。此外，可以将LFI设计为也可以补偿负载的无功功率。混合拓扑的单个L-C滤波器旨在处理负载中占主导地位的特定谐波谐波。前馈和反馈控制器的组合被设计用于所提出的调节器。首先通过基于MATLAB / SIMULINK的仿真来检验所提出的拓扑和控制器的性能。还设计了一个实验原型来确认所提出系统的实用性。

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