Power transmission prevention method with grounding point

The invention provides a power transmission prevention method with a grounding point, and the technical scheme of the invention fully utilizes the characteristic information of the induced voltage of a shutdown line in a hot standby state, fully excavates the induced electricity characteristic information by using a large-dimensional random matrix theory, and effectively recognizes the abnormal state of the induced voltage before power transmission with the grounding point. The occurrence probability of power transmission with a grounding point is greatly avoided, and safe and reliable operation of a power grid is guaranteed; meanwhile, the large-dimensional random matrix analysis theory avoids the influence of random measurement errors of the sensor, the resistance to environmental noise is high, and misinformation and maloperation are reduced while the abnormal induced voltage is reliably monitored. 本发明提供了一种带接地点送电防范方法，本发明的技术方案充分利用了停运线路热备用状态下感应电压的特征信息，利用大维随机矩阵理论对感应电特征信息进行了充分的挖掘，有效的识别出带接地点送电前感应电压的异常状态，大大避免了带接