改善有源电力滤波器系统动态性能的电压控制策略

ZENG Yuzhu; ZHANG Zhongchao; ZENG Jilun; XU Heping

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改善有源电力滤波器系统动态性能的电压控制策略

更新时间：2025-08-13

- 改善有源电力滤波器系统动态性能的电压控制策略
- Automation of Electric Power Systems Vol. 30, Issue 13, (2006)
- 作者机构：
  
  1. 浙江大学电气学院,浙江省,杭州市,310027
  2. 国电自动化研究院,江苏省,南京市,210003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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ZENG Yuzhu, ZHANG Zhongchao, ZENG Jilun, et al. [J]. Automation of electric power systems, 2006, 30(13).
DOI：

ZENG Yuzhu, ZHANG Zhongchao, ZENG Jilun, et al. [J]. Automation of electric power systems, 2006, 30(13). DOI：

摘要

从同步旋转坐标系下电压型逆变器数学模型出发，导出了有源电力滤波器（APF）系统的能量-功率数学模型，运用非线性系统的全局线性化方法，提出了APF的直流电容电压的非线性控制方法，采用该方法可以在设定时间内使逆变器的直流侧电容电压进入稳定状态。该方法既避免了通用的比例-积分控制器控制参数难以设定的问题，又可以改善APF的动态和静态补偿性能，使被控系统无论在大、小扰动下都可具有良好的速动性和稳定性。仿真结果验证了新方法的可行性和可靠性。该研究是基于双极性电压型逆变器作为补偿装置的有源滤波器系统，相应的思路可用于类似的应用场合。

Abstract

Based on the model of voltage-source inverter (VSI) under the synchronized rotating frame

a mathematic model of active power filter has been derived. Furthermore

applying global linearization method for non-linear system

a new nonlinear control method for DC-link voltage of APF has been presented to impel the dc-link voltage of the inverter into steady state in a preset period. Compared with the general used PI-controller

the new one can not only keep away from the trouble to regulate parameters of general controller

but also improve the dynamic and static state compensation performances of APF to keep the controlled system a good rapidity and stability whenever a large or small disturbance injected. Simulation results have verified the feasibility and reliability of the new controller. Although this method is designed for VSI-based APF

the new controller can also be used in other similar occasions where voltage-source converter(VSC) is used.

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