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| 摘要: |
| GSP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。为了获得GPS同步时钟信号，介绍了一种基于DS80C320高速单片机的GPS卫星同步时钟。通过对DS80C320双串行口的运用，简化了系统设计，并扩展了1PPM，1PPH等同步对时脉冲的输出。该GPS卫星同步时钟已用于变电站自动化系统中，其运行结果表明，它为整个系统提供了精确的时间信息，具有较高的可靠性和实用性，完全能够满足电力系统对高精度对时信号源的要求。 |
| 关键词: DS80C320 全球定位系统 同步时钟 电力系统 GPS 单片微机 |
| DOI： |
| 分类号:TM769 |
| 基金项目: |
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| Synchronous Clock Based on DS80C320 GPS Receiver |
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LIU Hao CAI Yue-ming ZHENG Jian-yong
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| Abstract: |
| 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.A synchronous clock is introduced for receiving GPS clock signal,which is based on DS80C320.By applying the two RS?232 ports,the system design is simplified.Two synchronizing pulses,1PPM and 1PPH,are generated.It is now applied in substation automation system.The operational results show that the clock supplies accurate time information for whole system and is reliable and practical.It meets the requirement of electric power system for precise synchronizing clock source. |
| Key words: DS80C320,GPS,sychronous clock |
