提出了在负载变化范围很大和有严重电网电压畸变的情形下 ,串联混合有源滤波器( SHAPF)设计和实现中的几个重要影响因素 ,并具体给出了特殊设计的无源滤波器、自适应的参数控制和多变量的复合控制方案等的解决方案。这种 SHAPF工作稳定 ,谐波抑制性能好 ,引起的附加无功电流小。仿真与实验结果证明了分析的正确性与设计方案的有效性 Several important influencing factors in the design and implementation of series hybrid active power filter (SHAPF) under the condition of large load variation and severe grid voltage distortion are put forward. Specially designed passive filters are given. Adaptive parameter control and multivariable compound control solutions. This SHAPF work stable, harmonic suppression performance, causing additional reactive current small. Simulation and experimental results prove the correctness of the analysis and the effectiveness of the design