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一种分布式母线保护的新型通信方案
引用本文:王风光,焦彦军,张新国,周强强.一种分布式母线保护的新型通信方案[J].电网技术,2005,29(21):72-74.
作者姓名:王风光  焦彦军  张新国  周强强
作者单位:电力系统保护与动态安全监控教育部重点实验室(华北电力大学),河北省,保定市,071003
摘    要:分布式微机母线保护将成为微机型母线保护的主要发展方向,实现分布式微机母线保护需要解决实时通信和同步采样的问题。基于此,文章提出了一种新型光纤双环通信网, 各保护单元之间采用令牌环式的通信标准,并且采用了一种软硬件相结合的同步对时方案。该通信网络通信速率高,结构简单,可靠性高,性能优越,同步方法精度高,可满足分布式母线保护的要求。

关 键 词:母线保护  分布式  光纤通信  同步采样  微机保护
文章编号:1000-3673(2005)21-0072-03
修稿时间:2005年7月8日

A New Communication Scheme for Distributed Busbar Protection
WANG Feng-guang,JIAO Yan-jun,ZHANG Xin-guo,ZHOU Qiang-qiang.A New Communication Scheme for Distributed Busbar Protection[J].Power System Technology,2005,29(21):72-74.
Authors:WANG Feng-guang  JIAO Yan-jun  ZHANG Xin-guo  ZHOU Qiang-qiang
Abstract:Distributed microcomputer based busbar protection will become principal trend of microcomputer based busbar protection. To implement distributed microcomputer based busbar protection, it is necessary to solve the problems in real-time communication and synchronous sampling. For this purpose, a new optic-fiber double-loop communication network is proposed, in which the token-ring communication standard is adopted among protection units and a synchronous time comparison scheme based on the integration of software with hardware is used. The proposed communication network can carry out high-speed communication, it possesses following advantages: simple and reliable architecture, high performance and accurate synchronizing approach, so this communication network can satisfy the requirement of distributed busbar protection.
Keywords:Busbar protection  Distributed  Optic-fiber communication  Synchronous sampling  Micro-computer based protection
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