基于电力信息物理系统的输电线路故障辨识研究

影响线路参数变化的因素较多，导致输电线路故障辨识效果较差，设计基于电力信息物理系统的输电线路故障辨识方法。对电力信息物理系统的电流潮流计算增加线路的辨识性，并定义电力信息适应度函数，然后对电功率与电容处理，对线路的情况进行辨识，根据电压与电流之间的比例来推测出具体部位实现基输电线路故障辨识。实验结果表明，该方法在输电线路正常与故障情况下都能准确判断出输电线路的情况，具有较好的输电线路故障辨识效果。

Research on transmission line fault identification based on power information physical system

There are many factors affecting the change of line parameters，which leads to the poor effect of transmission line fault identification.A transmission line fault identification method based on power information physical system is designed.Firstly，the current flow calculation of the power information physical system is used to increase the identification of the line，and the power information fitness function is defined.Then，the electric power and capacitance are processed to identify the situation of the line，and the specific parts are inferred according to the ratio between voltage and current to realize the fault identification of the basic transmission line.The experimental results show that this method can accurately judge the situation of transmission line under normal and fault conditions，has good transmission line fault identification effect.