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《Electric Power Science and Engineering》 2005-02
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Implementation of Synchronized Data Collecting from Different Areas in Transient Stability Control Systems

YU Qiong, LIU Qi-sheng (Wuhan University, Wuhan 430072, China)  
In transient stability control system, it is necessary to collect real-time data of the whole electric network. GPS signals can be used for synchronization of the sampling from different areas. Based on Central China Power System Stability Control Device, the paper presents the receiving process of GPS timing signal , synchronized sampling from different areas under the control of GPS PPS (pulse per second), the hardware interface and the access format for data exchange among CPU through two port RAM. Results show the device has high reliability.
【CateGory Index】: TM76
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【Citations】
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