摘要
注入式混合型有源电力滤波器是一种能够补偿一定容量的无功、同时滤除电网谐波电流的新型滤波装置。无源支路在补偿无功功率的同时还可以滤除因非线性负载产生的特征谐波电流,为了抑制无源支路跟电网等效电感产生的谐振现象以及改善无源滤波器的滤波性能,系统中采用谐振注入式有源滤波拓扑。在分析基本工作原理及控制策略的基础上,对该新型滤波装置装置的稳定补偿性进行深入的研究。仿真和实验结果表明该装置具有良好的稳态补偿特性,并且可以较好的抑制无源滤波器与电网阻抗之间的串并联谐振。
This paper proposed a new type active power filter with single injection circuit. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network. The passive filter of the equipment can be used for compensation reactive power as well as for harmonic elimination. The steady compensation characteristic and the damping resonance characteristic of the equipment are analyzed in detail. Theoretic analyze and experiment results have verified the feasibility and the correctness of the proposed topology.
出处
《计算技术与自动化》
2006年第2期27-30,共4页
Computing Technology and Automation
基金
国家自然科学基金资助项目(60474041)
关键词
无功补偿
有源滤波
谐波谐振
功率因数
ieactive power compensation
active power filter
harmonic resonance
power factor
