基于多物理传感器融合的中压电缆连接器局部放电检测  

Partial Discharge Detection of Medium Voltage Cable Connectors Based on Multi Physical Sensor Fusion

作　　者：苗堃[1] 李大伟 赵亚军 刘向东 李殿臣 侯鹏 MIAO Kun;LI Da-wei;ZHAO Ya-jun;LIU Xiang-dong;LI Dian-chen;HOU Peng(State Grid Jiyuan Power Supply Company,Jiyuan 459000,China)

机构地区：[1]国网济源供电公司,河南济源459000

出　　处：《电气开关》2025年第1期40-42,46,共4页Electric Switchgear

摘　　要：研究了不同的传感器,将用于电感式局部放电测量的HFCT传感器与电容式方法进行了比较。介绍了一种新的低成本电容式传感器,该传感器固定在电缆连接器周围,在中压开关柜中对不同的10kV局部放电故障电缆连接器进行了行测量,传感器安装正确,自行开发的低成本监测系统记录PD活动,详细讨论了测量方法,利用已知的局部放电分析模式,证明了该系统的有效性。In this study,different sensors are studied and the well-known HFCT sensor for inductively coupled partial discharge measurements is compared with the capacitive approach.A new low-cost capacitive sensor is introduced,which is fixed around the cable connector.Different 10kV partial discharge(PD)cable connectors are measured in medium voltage switchgear,the sensors are installed correctly,and PD activity is recorded by a self-developed low-cost monitoring system.The measurement method is discussed in detail.The effectiveness of the system is demonstrated by using known partial discharge analysis models.

关 键 词：中压电缆 物理传感器 局部放电 检测系统 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]