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JFY-3 on-line partial discharge monitoring system for power transformers

LI Fu\|qi, JIANG Lei, LIN Du, ZHU De\|heng, TAN Ke\|xiong, XIE Liang\|pin (Department of Electrical Engineering, Tsinghua University, Beijing 100084, China)  
JFY\|3 on\|line partial discharge monitoring system for power transformers is developed to continuously monitor several power transformers with the functions of failure reminiscence, fault alarm and discharge point locating, etc. The features of developed multiple channels data acquisition setup facilitate the further use of digital signal processing methods. In order to locate the discharge source the electrical and ultrasonic signals of discharge are simultaneously monitored. Network technologies are used to carry out the communication between detecting system near transformers and upper stage computer to improve the reliability and performance of monitoring system itself. With satisfactory scalability and flexibility, the system has been put into operation on site.
【Fund】: 国家自然科学基金会;; 东北电力集团公司资助项目! (596 372 0 0 )
【CateGory Index】: TM835.4
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