The electric power monitoring system is a complex distributing system, and there is different demand on clock synchronization precision in different levels.
电力监测系统是一个复杂的分布式系统，对时钟同步精度有着不同层次的需求。
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.
GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。
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