基于SV无线同步的智能变电站整站多点核相技术研究  

Research on multi-point nuclear phase technology of intelligent substation based on SV wireless synchronization

作　　者：田恩勇 张霖 娄方旭 TIAN Enyong;ZHANG Lin;LOU Fangxu(Guiyang Power Supply Bureau of Guizhou Power Grid Co.,Ltd.,Guiyang 550035,China)

机构地区：[1]贵州电网有限责任公司贵阳供电局,贵州贵阳550035

出　　处：《中国高新科技》2024年第20期62-64,共3页

摘　　要：为实现智能变电站的模数一体化相位核准,文章提出了智能变电站基于LoRa无线同步多点核相的概念。论述了智能变电站数字化采样数据传输及无线通信同步的技术特点,重点介绍了一种无线同步多点核相系统的设计理念和实现原理,研究了数字化无线多点核相技术中混合数字量采样同步、点到多点无线通信对时等关键问题。实验结果表明,基于无线通信的分布式多点核相系统采集精度较高,核相结果准确,能够实现智能变电站母线核相、变压器核相等多种功能需求。In order to realize the integrated phase approval of smart substation,this paper puts forward the concept of multi-point nuclear phase based on LoRa wireless synchronization of smart substation.This paper discusses the technical characteristics of digital sampling data transmission and wireless communication synchronization in smart substation,introduces the design concept and implementation principle of a wireless synchronous multi-point nuclear-phase system,and studies the key problems of mixed digital sampling synchronization and multi-point wireless communication in digital wireless technology.The experimental results show that the distributed multi-point nuclear phase system based on wireless communication has high acquisition accuracy and accurate nuclear phase results,and can realize various functional requirements such as bus nuclear phase and transformer nuclear phase in smart substation.

关 键 词：智能变电站 混合采样 无线通信 同步 

分 类 号：TM63[电气工程—电力系统及自动化]