机电工程技术2025，Vol.54Issue(8)：168-172,5.DOI:10.3969/j.issn.1009-9492.2025.08.032
基于分布式光纤振动传感的高压电缆局部放电在线监测
Online Monitoring of Partial Discharge in High-voltage Cables Based on Distributed Optical Fiber Vibration Sensing
曹靖1
作者信息
- 1. 呼和浩特开投置皓房地产开发有限责任公司,呼和浩特 010050
- 折叠
摘要
Abstract
Addressing the challenges of harsh working environments for high-voltage cables and difficulties in online localization of partial discharge(PD)in distribution network cables,an online monitoring method for partial discharge in high-voltage cables based on distributed optical fiber vibration sensing is proposed.Distributed optical fiber vibration sensors are deployed to continuously acquire partial discharge data from high-voltage cables.The acquired PD data are processed to filter out external interference noise using the difference subtraction method.A data discrepancy identification technique is employed to analyze the processed discharge characteristic signals.These refined characteristic signals are then utilized to identify the location of partial discharge,enabling online monitoring of partial discharge in high-voltage cables.The experimental results show that the research technique has excellent performance in PD recognition accuracy,the monitoring accuracy is as high as 93%,and the accuracy of PD monitoring is increased by 5 percentage points,and the recognition accuracy is much higher than that of the two comparison methods.This shows that this method not only provides a strong technical guarantee for the safe operation of high-voltage cable,but also opens up a new path for the monitoring and maintenance of smart grid.关键词
分布式光纤振动传感/高压电缆/局部放电/在线监测/数据采集Key words
distributed optical fiber vibration sensing/high-voltage cable/partial discharge/online monitoring/data acquisition分类
信息技术与安全科学引用本文复制引用
曹靖..基于分布式光纤振动传感的高压电缆局部放电在线监测[J].机电工程技术,2025,54(8):168-172,5.
