【摘要】 提出了一种能应用在中高压系统的低成本的新型混合型有源滤波器。给出了新型混合型有源电力滤波器的拓扑结构,分析了该滤波系统的滤波原理,对注入支路进行设计和分析,并讨论了该滤波器的谐波抑制能力。利用戴维南定理对该滤波器的结构给出了等效开关模型,由此模型推导出控制策略。进行仿真实验,仿真结果验证了低成本的新型混合型有源电力滤波器具有很好的谐波抑制和无功补偿能力。更多还原

【Abstract】 A novel hybrid active power filter was proposed,which can be applied in medium and high pressure power system.The topology structure of the novel hybrid active power filter was given.The filtering principle of the filter was analyzed.The injection branch was designed and analyzed and the harmonic suppressing performance was discussed.The Thevenin theory was adopted to get the equivalent switch model.The control strategy was obtained according to the model.The simulation results show that the filter has good performance on harmonic suppression and reactive power compensation.更多还原