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面向异构电力设备状态监测的低功耗OPC UA协议转换最小系统

张辰 毛冬 黄海潮

张辰,毛冬,黄海潮. 面向异构电力设备状态监测的低功耗OPC UA协议转换最小系统[J]. 机械科学与技术,2022,41(12):1936-1942 doi: 10.13433/j.cnki.1003-8728.20220314
引用本文: 张辰,毛冬,黄海潮. 面向异构电力设备状态监测的低功耗OPC UA协议转换最小系统[J]. 机械科学与技术,2022,41(12):1936-1942 doi: 10.13433/j.cnki.1003-8728.20220314
ZHANG Chen, MAO Dong, HUANG Haichao. Design of Low Power Consumption OPC UA Protocol Conversion Minimum System for Heterogeneous Power Equipment Condition Monitoring[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(12): 1936-1942. doi: 10.13433/j.cnki.1003-8728.20220314
Citation: ZHANG Chen, MAO Dong, HUANG Haichao. Design of Low Power Consumption OPC UA Protocol Conversion Minimum System for Heterogeneous Power Equipment Condition Monitoring[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(12): 1936-1942. doi: 10.13433/j.cnki.1003-8728.20220314

面向异构电力设备状态监测的低功耗OPC UA协议转换最小系统

doi: 10.13433/j.cnki.1003-8728.20220314
基金项目: 国网浙江省电力有限公司科技项目(B311XT210082)
详细信息
    作者简介:

    张辰(1990−),工程师,硕士研究生,研究方向为电力信息通信技术,chzhangxd@163.com

  • 中图分类号: TG156

Design of Low Power Consumption OPC UA Protocol Conversion Minimum System for Heterogeneous Power Equipment Condition Monitoring

  • 摘要: 电力系统中不同厂家的现场设备接口各异,使得实际使用中现场设备很难被集成,形成一个信息孤岛。面向电力设备运行状态监测需求,结合当前电力装备普遍采用的Modbus RTU协议和各类PLC协议等为主要现场数据采集接口的现状,进行现有接口协议的OPC UA转换单元设计,研制异构电力设备OPC UA协议转换的嵌入式最小系统硬件平台,建立基于OPC UA协议标准化的统一输出接口。该硬件平台利用软件配置的方式实现现场数据采集智能设备统一接入,可高效支撑以OPC UA协议为输出的异构标准化跨平台运行,有利于同时支持更多不同种类采集终端云边协同参数采集的实现。
  • 图  1  面向异构现场电力设备参数采集的OPC UA协议转换场景

    图  2  OPC UA协议转换单元嵌入式最小系统构成

    图  3  协议转换嵌入式最小系统硬件及其接口

    图  4  电源电路图

    图  5  晶振(RTC)电路

    图  6  存储器电路

    图  7  以太网电路

    图  8  RS232和RS485电路

    图  9  软件总体架构

    图  10  配置软件的功能模块划分

    图  11  配置软件的运行机制

    表  1  硬件参数需求表

    主系统CPU工业级Cortex-Az8架构,600 MHz
    RAM512 DDR3 SDRAM
    Flash512 MB Flash
    存储扩展大容量SD存储卡,最大64 GB
    网络接口 LAN 10/100 Mbps自适应,RJ45
    隔离保护 15 kV 空气放电及 8 kV 接触放电保护
    串行接口 标准 RS485(DATA+、DATA-、GND)、RS232(TXD、RXD、GND)
    光电隔离 每通道独立光电隔离
    串口保护 所有信号线均提供 15 kV ESD
    流向控制 RS485自动数据流向控制
    电源需求 电源输入 9~30 VDC,推荐使用24 VDC
    系统功耗 <10 W
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-10-24
  • 网络出版日期:  2023-02-16
  • 刊出日期:  2022-12-05

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