对高压交流/直流XLPE电缆系统的监测,诊断,衰老分析和维护策略的概述
Kazem Emdadi1, Majid Gandomkar1, Ali Aranizadeh2
1Department of Electrical Engineering, Sav. C., Islamic Azad University, Saveh 39197-15179, Iran.
Sensors (Basel, Switzerland)
|November 27, 2025
概括
本次审查调查了高压 (HV) 电缆的可靠性,重点关注状态监测,老化和故障检测. 它强调了需要集成的AC/DC诊断和ML驱动的框架来进行先进的电缆评估.
科学领域:
- 电气工程 电气工程
- 材料科学 材料科学 材料科学
- 电力系统 电力系统
背景情况:
- 高压 (HV) 电缆系统,特别是交联聚乙烯 (XLPE) 隔热的电缆,对于交流和直流电力传输至关重要.
- 可靠性挑战包括部分放电 (PD),绝缘老化,空间电荷积累和电热应力组合.
- 现有的诊断和衰老分析往往缺乏对交流和直流条件的整合.
研究的目的:
- 为评估和提高HV电缆可靠性的最先进技术提供全面的调查.
- 确定研究缺口,并为弹性和智能电网提出未来方向.
- 在电缆资产管理方面,将理论进步与实际实施挑战相结合.
主要方法:
- 对PD检测和信号处理的先进状态监控 (CM) 技术的审查.
- 分析衰老机制,寿命估计和故障检测/定位策略 (时间,频率,混合域).
- 讨论PD和空间电荷动态的基于物理和数据的模型 (包括ML/DL),压力分析的FEM和相关标准.
主要成果:
- 详细概述目前用于HV电缆状况监测,老化分析和故障诊断的方法.
- 机器学习和深度学习应用在故障分类和预测性维护中的评估.
- 概述实用方面,如传感器部署,校准和智能维护策略.
结论:
- 对于XLPE电缆的完全集成的AC/DC诊断和老化分析存在重大差距.
- 需要统一的基于物理和ML驱动的框架来解决HVDC空间电荷效应和多应力降解.
- 该审查为推进未来电网可靠和可扩展的高温电缆评估提供了指导.
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