摘要
智能变电站和智能电网的发展对电力系统时钟同步提出了更高的要求,文中阐述了网络时钟同步的基本方法,并着重分析了IEEE 1588实现高精度时钟同步的主要原理。在研制IEEE 1588主时钟、从时钟和交换机的基础上,对点对点IEEE 1588和网络IEEE 1588两种同步方案进行了实验验证。结果表明,两种时钟同步方式均可满足智能变电站的同步精度要求。但从对网络设施的复用程度来看,网络方式的IEEE 1588具备明显的优势,值得在未来智能变电站中推广应用。
The development of intelligent substation and intelligent power grid demand a higher performance of time synchronization in electric power system, in this paper, a basic method of network time synchronization is explained, and the main principle of IEEE 1588＇s realization at high accuracy clock synchronization is analyzed. Two synchronization methods, namely point-to-point IEEE 1588 and network IEEE 1588 are experimentally verified based on the study of IEEE 1588 master clock, slave clock and switch. The results show that above two clock synchronization methods can both meet synchronization accuracy requirements of intelligent substation.
出处
《华中电力》
2011年第6期49-53,共5页
Central China Electric Power
