Partial discharge positioning method and device based on ultrahigh frequency sensor sight distance matching

The invention relates to a partial discharge positioning method and device based on ultrahigh frequency sensor line-of-sight matching, and the method comprises the following steps: obtaining signal amplitudes of a plurality of ultrahigh frequency sensors, and obtaining the line-of-sight/non-line-of-sight state of each sensor through a pre-trained neural network model; and selecting the signal amplitude of the ultrahigh frequency sensor in the sight distance state, and obtaining the coordinates of the partial discharge source based on the coordinates of the ultrahigh frequency sensor to complete positioning. Compared with the prior art, the method has the advantages of improving the precision of local positioning and the like. 本发明涉及一种基于特高频传感器视距匹配的局部放电定位方法和设备，方法包括如下步骤：获取多个特高频传感器的信号幅值，利用预训练好的神经网络模型得到各个传感器的视距/非视距状态；选取视距状态下的特高频传感器的信号幅值，基于特高频传感器的坐标，得到局部放电源的坐标，完成定位。与现有技术相比，本发明具有改善局部定位的精度等优点。