基于电磁瞬态脉冲波形的变压器铁芯接地检测法

Detection method of transformer core grounding based on transient electromagnetic pulse waveform

通过对干式变压器铁芯接地点的查找确认过程,应用电磁瞬态脉冲波在干式变压器铁芯中具有旋转传导的特性,探索出一种使用电磁瞬态脉冲波形检测干式变压器铁芯接地点的方法,查找出干式变压器铁芯接地范围并予以消除接地故障。

Through the process of finding and confirming the core grounding point of dry transformer,based on the rotating conduction characteristic of transient electromagnetic pulse waveform in the core of dry transformer,a method of detecting the core grounding point of dry transformer by using transient electromagnetic pulse waveform is explored,and the grounding range of dry transformer core is found out and the grounding fault is eliminated.