并联混合型注入式APF补偿特性的研究与仿真

Research and Simulation on Compensation Characteristics of Hybrid Active Power Filter with Injection Circuit

分析了并联注入式有源电力滤波器(hybrid active power filter with injection circuit,HAPFIC)的工作原理和拓扑结构,建立了HAPFIC的电气模型和控制方程,在此基础上,进一步分析了根据负载谐波电流控制策略下,电网谐波电流波动、电网谐波电压波动、电网阻抗波动和电网频率波动对滤波系统控制性能的影响,并给出了各种电网参数波动对HAPFIC抑制谐波性能影响的仿真图,所得的结论可为HAPFIC的设计和工程应用提供有效的指导。

Topological structure and work theory of hybrid active power filter with injection circuit （HAPFIC） are analyzed, the electric model and control model equation of HAPFIC are established. On the above-mentioned basis, with the control strategy of load harmonic current , the paper analyzes the impacts of system parameter changes on the control characteristics of HAPFIC, such as changes of load harmonic current, bus-bar harmonic voltage, system impedance and system frequency, and gives the simulation graphs of different influences of fluctuation in electric network parameter, The conclusions are able to help guide the design and effective application of HAPFIC in complex projects.