微型机与应用
微型機與應用
미형궤여응용
MICROCOMPUTER & ITS APPLICATIONS
2012年
23期
71-73,77
,共4页
IEEE1588%时钟同步%最佳主时钟算法%智能变电站
IEEE1588%時鐘同步%最佳主時鐘算法%智能變電站
IEEE1588%시종동보%최가주시종산법%지능변전참
IEEE 1588%time synchronization%best master clock algorithm%smart substation
介绍了基于IEEE1588协议的高精度时间同步原理,描述了数字化变电站PTP同步对时系统组织结构。研究了P1’P的最佳主时钟算法、本地时钟同步算法及硬件时间戳的实现,分析了影响同步性能的因素。最后对时钟同步精度进行了测试,结果表明可满足IEC61850所有等级的对时精度要求。
介紹瞭基于IEEE1588協議的高精度時間同步原理,描述瞭數字化變電站PTP同步對時繫統組織結構。研究瞭P1’P的最佳主時鐘算法、本地時鐘同步算法及硬件時間戳的實現,分析瞭影響同步性能的因素。最後對時鐘同步精度進行瞭測試,結果錶明可滿足IEC61850所有等級的對時精度要求。
개소료기우IEEE1588협의적고정도시간동보원리,묘술료수자화변전참PTP동보대시계통조직결구。연구료P1’P적최가주시종산법、본지시종동보산법급경건시간착적실현,분석료영향동보성능적인소。최후대시종동보정도진행료측시,결과표명가만족IEC61850소유등급적대시정도요구。
The high precision time synchronization principle based on IEEE 1588 is introduced in this paper, and the organizational structure of the PTP synchronization system for digital substation is described~ This paper studied best master clock algorithm, local clock synchronization algorithm and introduced the production of the hardware timestamp. The factors which affect the accuracy of clock synchronization have been analyzed. The accuracy of clock synchronization have been tested in the last. It can meet the accuracy requirements of all the levels of IEC 61850.