一种无源无线型配电变压器在线监测装置  

A non-electricity and wireless communication online monitoring device for distribution transformer

作　　者：沈剑韬 刘伟 姚彦良 刘毅 陈元昊 SHEN Jiantao;LIU Wei;YAO Yanliang;LIU Yi;CHEN Yuanhao(Shanghai Zhixin Electric Co.,Ltd,Shanghai 200050)

机构地区：[1]上海置信电气有限公司,上海200050

出　　处：《电气技术》2024年第11期76-80,共5页Electrical Engineering

摘　　要：本文通过研制一种无源无线型配电变压器在线监测装置,实现对变压器油温、油位、压力、桩头温度、环境温度等非电量的实时监测。该装置由锂电池供电,配置低功耗工作模式,利用4G/远距离无线电(LoRa)/窄带物联网(NB-IoT)等无线通信方式对外传输监测数据,在结构设计上可以与管状油位计通用,保证了安装使用的便利性。样机的现场运行情况表明,该装置具有推广应用价值。A non-electricity and wireless communication online monitoring device for distribution transformer is developed in this paper,which can monitor the oil temperature,oil level,pressure,pile head temperature,ambient temperature and other non-electric quantities in real time.The device is powered by lithium battery and configured with low-power working mode.The data is transmitted externally through wireless communication methods such as 4G/long range radio(LoRa)/narrow band internet of things(NB-IoT).The device can be compatible with tubular oil level gauge in structural design,which realizes the convenience of installation and use.The field operation of the prototype shows that it has promotional and practical value.

关 键 词：配电变压器 在线监测 无线通信 非电量 

分 类 号：TM421[电气工程—电器]