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智能变电站的电子式互感器数据同步算法研究综述 预览 被引量:2

Research Summary of Data Synchronization Algorithm for Electronic Transformer in Smart Substation
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摘要 由一次设备数据采集方式的改变而引起的电子式互感器数据同步问题,维系着间隔层设备准确、稳定和可靠的运行。介绍了按变电站发展趋势普及的综合自动化变电站、智能变电站和超导变电站现状和网络结构特点,指出了智能变电站异于其他两者的典型特征;阐述了电子式互感器的分类和特点,引出了合并单元中的脉冲同步法、插值法和基于IEEE1588协议的同步法等三种数据同步算法,并论述了插值法的优越性;研究了数值分析中的插值法,针对迄今国内文献中提到的插值算法进行了详细的误差分析,补充和整理了部分插值模型,为相关技术人员对算法的选择提供参考。 The problem of electronic transformer data synchronization caused by the change of the primary equipment data acquisition method maintains the accurate,stable and reliable operation of the bay level equipment.Introduction was made to the status quo and network structure characteristics of the integrated automation substations,smart substations and superconducting substations which were popularized by the development trend of substations.It was pointed out that the typical characteristics of smart substations were different from the other two.This paper expounded the classification and characteristics of electronic transformers,introduced the three data synchronization algorithms in the merging unit,namely pulse synchronization method,interpolation method and synchronization method based on IEEE1588 protocol,and discussed the superiority of the interpolation method.This paper studied on the interpolation method in numerical analysis and carried out the detailed error analysis on the interpolation algorithms mentioned so far in the domestic literature.Some interpolation models are supplemented and sorted out to provide reference for the selection of algorithms by relevant technicians.
作者 崔浩 许军 张小康 章彦燕 CUI Hao[1];XU Jun[1];ZHANG Xiao-kang[1];ZHANG Yan-yan[1]([1]Xiangyang Power Supply Company of State Grid Hubei Electric Power Co.,Ltd,Xiangyang 441000,China)
出处 《电工电气》 2018年第7期1-9,共9页 Electrotechnics Electric
关键词 电子式互感器 数据同步 插值法 智能变电站 数值分析 electronic transformer data synchronization interpolation method smart substation numerical analysis
作者简介 崔浩(1991-),男,助理工程师,硕士,从事智能变电站运维技术、电力系统稳定与控制、电能质量分析与控制等工作。
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