二极管钳位型多电平有源电力滤波器的仿真

HE Yingjie; ZOU Yunping; LIU Fei; LEI Lin; WANG Chengzhi

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二极管钳位型多电平有源电力滤波器的仿真

更新时间：2025-08-13

- 二极管钳位型多电平有源电力滤波器的仿真
- Automation of Electric Power Systems Vol. 30, Issue 10, (2006)
- 作者机构：
  
  华中科技大学电气与电子工程学院,湖北省,武汉市,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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HE Yingjie, ZOU Yunping, LIU Fei, et al. [J]. Automation of electric power systems, 2006, 30(10).
DOI：

HE Yingjie, ZOU Yunping, LIU Fei, et al. [J]. Automation of electric power systems, 2006, 30(10). DOI：

摘要

由于功率器件耐压水平的限制，传统的2电平拓扑结构有源电力滤波器（APF）难以实现对高压非线性负载的谐波补偿。文中采用二极管钳位型多电平变换器，提出了其作为APF运行的方案。对该APF进行了理论分析，提出一种基于重复预测型观测器的无差拍控制方案。该方案采用重复预测型观测器，对指令谐波电流进行预测，可在相同的采样频率下提供更精确的谐波电流预测值，因而可以改善整个系统的控制效果。仿真结果表明该APF适用于高电压及大容量谐波补偿。

Abstract

Due to the limitation of the voltage capability of the power devices

it is very difficult to handle the nonlinear loads for the traditional active power filter (APF) with twolevel inverter in high voltage grid. This paper adopts an active power filter with a multilevel NPC inverter. The theoretic bases of the proposed APF are described a repetitive prediction based deadbeat control scheme for the APF is also presented. In this scheme

the predictive harmonic current value is obtained by the repetitive predictor. The repetitive predictor can achieve better prediction of the harmonic current with same sampling frequency

thus improves the overall performance of the system. The simulation results illustrate that the performance of the APF is suitable for harmonic loads with high voltage and large capacity.

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