基于双极型模式的新型定频积分有源滤波器

A new Active Power Filter with Unified Constant-frequency Integration Control in Bipolar Operation

在简单介绍定频积分有源滤波器原理的基础上,针对经典双极型工作模式,分析讨论了定频积分控制有源滤波器的稳定性问题,推导出该系统运行的稳定条件。提出一种新的控制策略,消除了电感电流纹波信号对系统的影响,在很大程度上提高了定频积分控制的稳定性,有效改善了有源滤波器对谐波补偿的效果。实验结果证实了新方案的有效性。

Based on the principle of active power filters with unified constant-frequency integration control in bipolar operation, this paper analyzes the stability and steady conditions.A new control method is presented,which can eliminate the effects of inductance current interferential signal.It can improve stability of active power filter system and boost up the effectiveness of harmonic current compensation to a great extent. Experimental results demonstrated the validity of the proposed method.