PD Positioning of Electrical Transformers Based on the Designed Pressure-balanced EFPI Sensor Array

Yingjie Xi,Chuanxian Luo,Xu Yang,Chongxing Zhang,Ming Dong,Yang Liu

2021 IEEE Electrical Insulation Conference (EIC)（2021）

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摘要

Extrinsic Fabry-Perot interferometric (EFPI) fiber-optic ultrasonic sensor, for its advantages, has been widely concerned in partial discharge (PD) detection. In this paper, a novel structure of EFPI sensor is proposed to achieve built-in detection in power transformers. A unique sensor array and installation position are specially designed for built-in detection. Based on the sensor array, steere...

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关键词

Partial discharges,Optical fiber sensors,Insulation,Time difference of arrival,Conferences,Acoustics,Fabry-Perot

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