kalman滤波，滤出电压中的谐波分量，判断孤岛是否发生。压缩包中包含了初始化文件和主文件。-kalman filter, filter out the harmonic component of voltage, it is judged whether there islanding. Compression package contains the initialization file and the master file.

针对起伏地表山前带建模，放弃以前的静校正，采用浮动基准面算法。压缩文件中包括源码，参数文件等。-Piedmont with modeling for surface topography, the abandonment of statics, floating datum algorithms. Compressed files including source code, parameter files.