Patent
Detection system for GIS (gas insulated switchgear) partial discharge detection sensor
Qiu Jin,Chen Jiangbo,Wu Shipu,Li Hui,Xi Zhang,Sien Xu,Jing Xu,Yan Du,He Yan,Feng Yu,Wang Benjin,Guo Huihao,Zhou Cuijuan,Zhu Sisi,Huang Qin +14 more
TLDR
In this article, the authors proposed a detection system for a gas insulated switchgear (GIS) partial discharge detection sensor, which consists of a GIS tank body, a highvoltage bushing, a grading ring, a built-in camera, and a standard UHF sensor.Abstract:
The utility model provides a detection system for a GIS (gas insulated switchgear) partial discharge detection sensor. The detection system comprises a GIS tank body, a high-voltage bushing, a grading ring, a built-in camera, a GIS partial discharge model, a standard UHF sensor, a UHF sensor to be tested, an ultrasonic signal injection port, a UHF signal injection port, an ultrasonic sensor, an ultrasonic partial discharge positioning system and a UHF partial discharge positioning system. The system helps to solve the problems of performance difference comparison of the ultrasonic sensors and the ultra-high frequency (UHF) sensors of various manufacturers and the performance comparison of the GIS partial discharge detection systems of various manufacturers.read more
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Patent
Insulation testing system and method for insulating pull rod of SF6 high-voltage electric appliance
TL;DR: In this article, an insulation testing system for an insulating pull rod of an SF6 high-voltage electric appliance is described, and the system comprises a bushing, a coupling capacitor gas room, a test gas room and pulse current partial discharge detection equipment in electrical connection with the coupling capacitance gas room.
Patent
Field inspection method for GIS ultra-high frequency partial discharge sensor
Gao Qiang,Liu Qi,Pan Fenghou,Guo Zhannan,Hong He,Zhao Dongxu,Yuan Feng,Pan Jiayu,Wang Maojun,Zhong Dantian,Zhang Guangming,Dai Jicheng,Li Zailin,Zhang Yunhua +13 more
TL;DR: In this article, the authors proposed a field inspection method for GIS ultra-high frequency partial discharge sensor, which consists of appearance inspection, insulation performance inspection, and sensitivity inspection, has high safety and reliability, a wide application range, and can effectively inspect a situation where only one UHF PDS is installed in the GIS or an analog signal cannot be injected through a built-in PDS.
Patent
An interference analysis system for electric power wireless private network
Yao Jiming,Guo Jinghong,Wei Lei,Bu Xiande,Liu Shidong,Zhang Hao,Zhang Gang,Wang Wei,Guo Yunfei,Wu Peng,Zhu Daohua,Tao Jing,Lyu Lidong,Yu Qiang,Liu Chuan,Sun Yunxiao,Guo Yajuan +16 more
TL;DR: In this article, an interference analysis system oriented to a power wireless private network is presented. But the system is not suitable for wireless networks, and it cannot be used in wireless networks with a large number of interference sensors.