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16 June 2023 Research on protection monitoring and early warning technology of power time synchronization system
Xian Sun, Hongbo Ma, Jie Liu, Wei He, Li Cai
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Proceedings Volume 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023); 127030B (2023) https://doi.org/10.1117/12.2682970
Event: Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 2023, Hong Kong, China
Abstract
The power system applies high precision satellite navigation signal as a unified time reference to realize the power network scheduling control. Chinese electric power system mainly adopts the space-based time-timing scheme based on Bei Dou navigation Satellite (BDS) and assisted by Global Position System (GPS). However, due to the semi-open character of civil GNSS applications, the risk of interference to the time synchronization of the power system is caused by various kinds of radio waves, and it leads to synchronization network disorder, and affects the stableness and reliability of the operating electric power grid. This paper analyzes the principle of satellite timing synchronization in power system and the characteristic of interference signals, puts forward a targeted design scheme of satellite time synchronization monitoring system, and analyzes the key technologies, and to provide technical reference and improvement ideas for the safety protection of power time synchronization system.
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Xian Sun, Hongbo Ma, Jie Liu, Wei He, and Li Cai "Research on protection monitoring and early warning technology of power time synchronization system", Proc. SPIE 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 127030B (16 June 2023); https://doi.org/10.1117/12.2682970
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KEYWORDS
Satellites
Satellite navigation systems
Signal detection
Navigation systems
Global Positioning System
Receivers
Clocks
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