智能变电站IEEE1588时钟同步冗余技术研究

李俊刚; 刘星; 张爱民; 张杭; 耿英三; 魏勇

引用本文:	李俊刚,刘星,张爱民,等.智能变电站IEEE1588时钟同步冗余技术研究[J].电力系统保护与控制,2015,43(20):97-101.
	LI Jungang,LIU Xing,ZHANG Aimin,et al.Research on redundant technology of IEEE1588 clock synchronization system in smart substation[J].Power System Protection and Control,2015,43(20):97-101

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智能变电站IEEE1588时钟同步冗余技术研究
李俊刚^1,2, 刘星², 张爱民¹, 张杭¹, 耿英三¹, 魏勇²
1.西安交通大学电气工程学院，陕西西安 710049;2.许继电气，河南许昌 461000

摘要:

针对智能变电站时钟同步系统现状，提出了基于IEEE1588的时钟同步系统冗余方案。在分析IEEE1588的实现原理及其特点的基础上，提出了单钟方案、双钟互备方案和双钟双扩展方案。重点对双钟互备方案进行了阐述，并详细分析了时钟冗余切换原理和过程。同时，进一步对双钟互备方案在变电站单网和双网模式下，不同网络方案对时钟冗余造成的影响进行了研究。

关键词: IEEE1588 变电站时钟冗余网络方案

DOI：10.7667/j.issn.1674-3415.2015.20.015

分类号:

基金项目:

Research on redundant technology of IEEE1588 clock synchronization system in smart substation

LI Jungang^1,2, LIU Xing², ZHANG Aimin¹, ZHANG Hang¹, GENG Yingsan¹, WEI Yong²

1.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;2.XJ Electric Corporation Limited, Xuchang 461000, China

Abstract:

Aiming at the present situation of smart substation clock synchronization system, this paper proposes the redundancy scheme of clock synchronization system based on IEEE1588. By analyzing the realization principle and characteristics of IEEE1588, a single clock scheme, double clock backup scheme and dual clock double extension scheme are proposed. The double clock backup scheme is emphasized, and the clock redundancy switching principle and process are detailed. At the same time, the double clock backup scheme in substation single network and dual network mode, and the effects of different network schemes on clock redundancy are studied.

Key words: IEEE 1588 substation clock redundancy network scheme

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