Transactions of China Electrotechnical Society  2022, Vol. 37 Issue (5): 1305-1320    DOI: 10.19595/j.cnki.1000-6753.tces.210125
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Research Progress of Extrinsic Fiber Fabry-Perot Interferometer Sensor in Partial Discharge Detection
Chen Qichao1, Zhang Weichao1, Bai Shiguang2, Du Liang3, Zhao Hong1
1. Key Laboratory of Engineering Dielectrics and Its Application Ministry of Education School of Electrical and Electronic Engineering Harbin University of Science and Technology Harbin 150080 China;
2. Datang Northeast Electric Power Test & Research Institute Co. Ltd Changchun 130102 China;
3. State Grid Zhejiang Electric Power Co. Ltd Hangzhou 310007 China

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Abstract  Partial discharge detection of power equipment has always been the research focus of scholars at home and abroad, the partial discharge ultrasonic signal has become a research hotspot in recent years due to its strong anti-interference and easy positioning. With the development of science and technology, the use of optical sensors to detect partial discharge ultrasonic signals has become an emerging technical method, among many optical sensors, Extrinsic Fiber Fabry-Perot Interferometer (EFPI) sensors, because of its small size, high sensitivity and anti-electromagnetic interference and other advantages, it has attracted much attention. Firstly, the research status of EFPI sensor at home and abroad is introduced, secondly, the detection principle of the EFPI sensor, the basic properties of the diaphragm material and the preparation method are described in detail, and the feasibility of the sensor that can be used for external coupling detection and the significance of optimizing the sensor sensitivity design method are analyzed, finally, the EFPI sensor's partial discharge point positioning research in the partial discharge detection is analyzed, and the problems and solutions encountered in the application research of the sensor are summarized, and according to the actual situation of the EFPI sensor, the future development trend and research focus of sensors are prospected.
Key wordsPartial discharge ultrasonic signal detection      extrinsic fiber Fabry-perot interferometer (EFPI) sensor      diaphragm material      preparation method      characteristic parameter     
Received: 22 January 2021     
PACS: TM931  
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Chen Qichao
Zhang Weichao
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Du Liang
Zhao Hong
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Chen Qichao,Zhang Weichao,Bai Shiguang等. Research Progress of Extrinsic Fiber Fabry-Perot Interferometer Sensor in Partial Discharge Detection[J]. Transactions of China Electrotechnical Society, 2022, 37(5): 1305-1320.
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