【摘要】 依据三相电路的瞬时无功功率理论进行谐波检测并用于电力有源滤波器中,可以动态抑制谐波,补偿无功.介绍利用MATLAB为仿真工具,对特定的谐波源顺利实现了基于瞬时无功功率理论进行实时、准确谐波检测的仿真过程,为电网中应用电力有源滤波器对大小和频率都变化的谐波以及变化的无功进行实时补偿打下良好基础.并验证了仿真结果的正确性.更多还原

【Abstract】 APF (active power filter) is one of the solutions to harmonics in power systems.In order to meet the real time and accuracy requirements,a harmonics detecting method based on instantaneous reactive power theory is introduced by means of using MATLAB which is a simulation tool for power systems.Experimental result confirms that the model for simulation is correct.更多还原