变电站主变冲击电流的监测与故障诊断方法研究  

Research on Monitoring and Fault Diagnosis of Main Ttransformer Inrush Current in Substation

作　　者：赖煜文 LAI Yuwen(State Grid Yongding District Power Supply Company,Longyan 364100,China)

机构地区：[1]国网福建省龙岩市永定区供电公司,福建龙岩364100

出　　处：《通信电源技术》2024年第3期233-235,共3页Telecom Power Technology

摘　　要：文章主要研究了变电站主变电流的监测和故障诊断方法2个方面。在主变电流监测方法方面,提到了传统的电流变压器、电流传感器、光纤电流传感器以及智能传感器监测技术4种方法。在主变电流故障诊断方面,详细介绍了绝缘类试验、频谱分析、热像摄像以及气体分析4种诊断方法。这些方法各有特点,可根据不同的故障类型和情况选择合适的诊断方法进行故障识别、定位及分析,为及时采取有效的故障处理提供重要依据。The article mainly studies two aspects of monitoring and fault diagnosis methods for the main transformer current in substations.In terms of main transformer current monitoring methods,four methods are mentioned such as traditional current transformer,current sensor,fiber optic current sensor and intelligent sensor monitoring technology.In terms of main transformer current fault diagnosis,four diagnostic methods are introduced in detail,including insulation type test,spectrum analysis,thermal image camera and gas analysis.Each of these methods has its own characteristics,and according to different types of faults and situations,suitable diagnostic methods can be selected for fault identification,localization and analysis,providing an important basis for timely and effective troubleshooting.

关 键 词：主变电流监测 故障诊断 变电站 

分 类 号：TN03[电子电信—物理电子学]