电流谐波法在电力电缆状态检测诊断的应用进展

电力电缆的谐波检测诊断方法作为一种新兴的电力电缆在线检测诊断技术,对提升电力电缆检测诊断可靠性具有重要的理论意义与应用价值。本文总结了国内外电力电缆谐波检测诊断方法的研究进展,系统分析了电缆谐波检测原理、谐波检测方法、谐波含量与电缆老化、缺陷和故障的关系、谐波诊断技术及其优缺点,以期对电缆谐波诊断技术的发展状况有一个全方位的认识,为其进一步发展提供参考。

Research Process in Applications of Current Harmonic Analysis to Condition Monitoring and Diagnosis of Power Cable

As an emerging on-line monitoring and diagnosis technology for power cable,harmonic monitoring and diag?nosis has important theoretical significance and application values to the improvement of monitoring and diagnosis of power cable.In this paper,on the basis of the research progress in the methods of harmonic monitoring and diagnosis of power cable worldwide,we systematically analyze the principle of harmonic monitoring for power cable,the methods of harmonic monitoring,the relation between harmonics and cable aging,defects,and faults,and the harmonic diagnosis technology together with its advantages and disadvantages,which aims to provide a comprehensive understanding of the progress in the harmonic diagnosis technology for power cable and further provide reference for its development in the future.