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发明公开
CN106019107A 一种空心电抗器局部放电的检测方法及系统 有权

一种空心电抗器局部放电的检测方法及系统
摘要：
本发明的实施例提供一种空心电抗器局部放电的检测方法及系统，涉及局部放电检测技术领域，能够对干式空心电抗器局部放电量进行检测。具体方案包括：在空心电抗器上加载测试电压；在所述空心电抗器上并联检测电路；所述检测电路包括串联的耦合电容和检测阻抗，所述耦合电容用于耦合所述空心电抗器在出现局部放电时所产生的脉冲电流，所述检测阻抗用于将所述耦合电容检测到的脉冲电流转化为脉冲电压信号；根据所述检测电路输出的所述脉冲电压信号确定所述空心电抗器在出现局部放电时的放电量。本发明用于局部放电的检测。
摘要（英）：

The embodiment of the invention provides a method and system for detecting the partial discharge of an air core reactor and relates to the technical field of partial discharge detection, and the partial discharge of a dry type air core reactor can be detected. The concrete scheme comprises a step of loading testing voltage to the air core reactor, a step of allowing a detection circuit to be in parallel connection with the air core reactor, wherein the detection circuit comprises a coupling capacitor and a detection impedor in a series connection, the coupling capacitor is used for coupling pulse current which is generated by the air core reactor in partial discharge, and the detection impedor is used for converting the pulse current detected by the coupling capacitor into a pulse voltage signal, and a step of determining the discharge amount of the air core reactor in partial discharge according to the pulse voltage signal outputted by the detection circuit. The method and the system are used for detecting the partial discharge.

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