双时钟源技术在西宁750kV变电站的应用

Dual Clock Source Technique Application in 750kV Xining Substation

根据青海电网时钟同步系统的现状,分析西宁750 kV变电站时钟同步系统的应用情况,就GPS时钟同步系统对变电站运行和故障分析的重要性,以及GPS时钟同步系统的构成及对时方式进行了论述,提出了现有变电站时钟同步系统的改进措施。

According to clock synchronous system＇ s status of Qinghai power grid, the paper analyzes the clock syn chronous system＇ s application status in 750kV Xining substation, and expounds GPS clock synchronous system impertance on substation operation and fault analysis,as well as its formation and synchronization mode, then puts forward improving measures on present substation clock synchronous system.