面向电力设备数字孪生的RFID传感器与数据传输协议设计
High Voltage Engineering（2022）
重庆大学
Abstract
电力设备数字孪生技术的发展推动了各类新型传感技术在电力行业中的应用,并亟需一条稳定、明确的数据上云渠道,以供给电力设备孪生体进行更加深入的状态分析及故障预测.为此,研制了一种带有金属反射板的双天线射频识别(radio frequency identification,RFID)加速度与温度传感器,并设计了 RFID传感系统内的数据包格式以及传感数据经由边缘网关通过4G网络以消息队列遥测传输(message queuing telemetry transport,MQTT)协议上传至物联网云平台的数据传输通道,然后以OFPSZ-150000/220变压器为例进行了传感器测试和数据传输协议的应用.结果表明:所设计的数据传输协议丢包率主要存在于RFID传感器信道内,在2m内的丢包率为11.3％,在最远通信距离3 m处的丢包率为38.2％,在数据经由边缘网关上云的信道中几乎不存在数据包的丢失问题.研究表明所设计的RFID传感器具有一定的实用性,且数据通信协议通道是稳定可靠的.
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