PROTECTION ALGORITHM MEASUREMENMT METHOD TRIP TIME CALCULATION GOOD FILTERING CHARACTERISTIC (HARMONICS, NOISE, DC SHIFT) FAST TRIP DECISION

电力谐波带来了严重的危害，有源滤波器是抑制电力谐波的一种有效手段。在Matlab 仿真环境中搭建了有 源滤波器的系统模型，并对其进行了仿真。仿真结果表明，各仿真模块能够完成各自的功能，整个系统的滤波效果非 常好。因而，该仿真模型能对软、硬件的设计起到重要的指导作用-Power Harmonics brought serious harm, active filter is an effective means of suppressing power harmonics. In the