配网环保气体环网柜设备局部放电检测技术研究
Research on Partial Discharge Detection Technology for Environmental Protection Gas Ring Main Cabinet Equipment in Distribution Network
郭坚定 1刘朝根1
作者信息
- 1. 格雷诺(厦门)开关有限公司,福建厦门 361000
- 折叠
摘要
针对环网柜设备局部放电信号微弱且易受多因素影响导致检测灵敏度低的问题,本研究提出一种配网环保气体环网柜设备局部放电检测技术.采用罗氏线圈传感器,结合信号放大、A/D转换和数字信号处理技术,通过三层小波包分解与变分模态分解技术,有效提取并去噪局部放电信号.利用加权模糊C均值聚类算法与支持向量机,识别不同放电模式.实验证明,该技术能显著提升局部放电检测的灵敏度.
Abstract
Aiming at the problem of weak partial discharge signals in environmental-friendly gas ring main unit equipment of distribution networks,which are easily influenced by multiple factors and lead to low detection sensitivity,this study proposes a partial discharge detection technology for such equipment.By utilizing Rogowski coil sensors,combined with signal amplification,A/D conversion,and digital signal processing technology,local discharge signals are effectively extracted and denoised through three-level wavelet packet decomposition and variational mode decomposition techniques.Weighted fuzzy C-means clustering algorithm and support vector machine are employed to identify different discharge patterns.Experiments demonstrate that this technology can significantly enhance the sensitivity of partial discharge detection.
关键词
配网/环保气体/环网柜/局部放电/放电检测技术Key words
distribution network/environmental-friendly gas/ring main unit/partial discharge/discharge detection technology引用本文复制引用
出版年
2024
NETL
NSTL
万方数据