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发明公开
CN109471004A 一种用于检测GIS内部放电类型和放电量的系统及方法 审中-实审

一种用于检测GIS内部放电类型和放电量的系统及方法
摘要：
本发明公开了一种用于检测GIS内部放电类型和放电量的系统及方法，属于输变电设备技术领域。本发明系统包括：日盲滤光系统、单电子探测器、电流/电压转换电路、特高频传感器、采集卡和处理设备，处理设备接收的电压信号和电磁波脉冲信号，并根据电压信号和特高频电磁波信号对GIS内部进行放电量测量和放电类型识别。本发明能够实现GIS内部放电的单光子探测，探测波段为日盲紫外波段，拥有极高的灵敏度和可靠性。本发明实现了光脉冲信号与特高频电磁波信号的同步采集，并通过处理设备进行光-电脉冲序列计算、光脉冲计数，进而实现放电识别与放电量计算。
摘要（英）：

The invention discloses a system and method for detecting the discharge type and the discharge capacity in a GIS, and belongs to the technical field of power transmission and transformation equipment.The system includes a solar blind filter system body, a single electron detector, a current/voltage conversion circuit, an ultra-high frequency sensor, an acquisition card and a processing device. The processing device receives a voltage signal and an electromagnetic pulse signal, and carries out discharge capacity measurement and discharge type identification in the GIS according to the voltagesignal and the ultra-high frequency electromagnetic wave signal. The system can achieve single-photon detection of internal discharge in the GIS, a detection wave band refers to the solar blind ultraviolet wave band, and the sensitivity and the reliability are high. The system and the method achieves the synchronous acquisition of an optical pulse signal and the ultra-high frequency electromagnetic wave signal, optical-electrical pulse sequence calculation and optical pulse counting are conducted through the processing device, and the discharge identification and calculation of the discharge capacity are then achieved.

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