对于初学者具有参考意义，三相光伏逆变并网的仿真，是信号处理的基础，仿真图是速度、距离、幅度三维图像，进行波形数据分析,借鉴了主成分分析算法（PCA）。- For beginners with a reference value, Three-phase photovoltaic inverter and network simulation, Is the basis of the signal processing, FIG simulation speed, distance, amplitude three-dimensional image, Waveform data analysis, It draws on principal component analysis algorithm (PCA).