基于物联网的HFCT局部放电诊断传感网络  

IoT-based HFCT Sensing Network for Partial Discharge Diagnosis

作　　者：项恩新 王科 徐肖伟 胡浩卿 李建发 刘红文 Xiang Enxin;Wang Ke;Xu Xiaowei;Hu Haoqing;Li Jianfa;Liu Hongwen(Electric Power Research Institute,Yunnan Power Grid Co.,Lid.,Kunming 650217,Yunnan,China)

机构地区：[1]云南电网有限责任公司电力科学研究院,云南昆明650217

出　　处：《云南电力技术》2021年第6期39-43,共5页Yunnan Electric Power

摘　　要：基于物联网的诊断方法已经被提出并有望成为各种设备(如开关柜、电力电缆和变压器)局部放电分布式传感的理想解决方案。本文提出了一种基于物联网的HFCT局部放电诊断传感网络。详细介绍了传感器节点的基本单元,包括信号耦合,功率管理和数据通信。利用该传感器,可以构建基于物联网的局部放电传感网络,并且本文详细介绍了其运行策略,能耗和基于Lora/NB-IoT的网络结构。这种状态监测有望为中压电网中更多可能的物联网应用提供参考。IoT-based diagnosis is proposed and expected to be an ideal solution for distributed sensing of partial discharge for various equipment such as switchgear,power cable and transformer.In this paper,an IoT-based HFCT sensing network is proposed for partial discharge diagnosis.It goes into detail about the essential units of the sensor node including signal coupling,power management and data communication.With this proposed sensor,IoT-based partial discharge sensing network is built with details involving the operation strategy,energy consumption and Lora/NB-IoT-based network structures.This kind of condition monitoring is expected to be a reference for more possible IoT applications in MV power grid.

关 键 词：局部放电 物联网 分布式传感器 电力电缆 

分 类 号：TM74[电气工程—电力系统及自动化]