基于PSCAD／E MTDC的混合电力有源滤波器建模与仿真分析

摘要

有源滤波器是提高电能质量有效的工具之一，介绍了混合电力有源滤波器的结构和工作原理。介绍了瞬时无功功率的谐波电流检测算法，并对滞环电流跟踪控制法、三角载波调制法、无差拍控制方式进行了分析。应用PSCAD/EMTDC搭建了混合电力有源滤波器的仿真模型并进行了仿真实验，结果显示搭建的混合电力有源滤波器的仿真模型有很好的滤波效果。%Active filter to improve the power quality is one of the most effective tool,This thesis introduces the construction and working principle of hybrid active power filter.Harmonic current detection based on instanta-neous reactive power theory is proposed,current hysteresis tracking control method,triangular wave modula-tion control method are discussed in detail.At last,The simulation model of hybrid active power filter is established and the simulation experiments are carried out.The results show the simulation model of the hybrid active power filter founded have good effect to eliminate harmonics.