并联电抗式混合有源滤波器电流源闭环控制

Current Resource Closed-loop Control Research of Parallel Inductor Type Hybrid Active Power Filter

提出了一种新型并联电抗式混合有源滤波装置的电路结构,在此电路结构上对电流源闭环控制策略进行了深入分析和研究。从谐波抑制、系统谐振抑制、降低有源部分容量等方面进行理论分析,并且采用Matlab仿真软件对电流源闭环控制策略的谐振抑制性能进行研究。最后通过实验分析验证了电流源闭环控制策略可对该新型有源滤波装置进行有效、可靠的控制。

A new circuit structure of parallel inductor type hybrid active power filter（PITHAPF） is presented,and the current source closed-loop control strategy based on the PITHAPF is deeply analyzed and studied.The harmonic suppression,systemic resonance control and capacity reducing are also analyzed theoretically,the resonance control capability of the current source closed-loop control strategy using Matlab is studied.At last the experimental results prove that the current source closed-loop control can effectively and reliably control the PITHAPF.