Symmetrical components method and its sequence network connection technique are conventional way on fault analysis of power system.
对称分量法及其序网联接技术是电力系统故障处理的传统方法。
2
After characters are divided from the raster image, the features of characters are extracted by symmetrical grids and then are inputted into BP neural network for further analysis.
首先对图纸的光栅图像进行字符分离，利用均匀网格方法抽取字符特征，用BP神经网络进行训练和识别。
3
By using the power element models established on symmetrical component decoupling - compensation theory, a network model with algorithm suitable for harmonic flow calculation is developed.