电信科学 ›› 2019, Vol. 35 ›› Issue (2): 134-141.doi: 10.11959/j.issn.1000-0801.2019032

• 电力信息化专栏 • 上一篇    下一篇

北斗RNSS授时技术在智能电网雷电定位系统中的应用

张浩1,杨鸿珍2,邵炜平2,姚继明1   

  1. 1 全球能源互联网研究院有限公司,江苏 南京 210003
    2 国网浙江省电力有限公司,浙江 杭州 310007
  • 修回日期:2019-01-24 出版日期:2019-02-01 发布日期:2019-02-23
  • 作者简介:张浩(1981- ),男,全球能源互联网研究院有限公司研究室副主任、高级工程师,主要从事电力系统无线通信领域的技术研究工作。|杨鸿珍(1975- ),女,国网浙江省电力有限公司运检中心书记/副主任、高级工程师,主要从事电力通信系统的管理和运维工作。|邵炜平(1976- ),男,国网浙江省电力有限公司科技信通部通信处副处长、高级工程师,主要从事电力通信系统的管理工作。|姚继明(1987- ),男,全球能源互联网研究院有限公司高级工程师,主要研究方向为电力通信技术。
  • 基金资助:
    国家电网公司科学技术项目“北斗三代精确定位技术研究及其在智能电网中的应用”(5211XT180047)

Application of BeiDou RNSS timing technology in smart grid lightning locating system

Hao ZHANG1,Hongzhen YANG2,Weiping SHAO2,Jiming YAO1   

  1. 1 Global Energy Internet Research Institute Co.,Ltd.,Nanjing 210003,China
    2 State Grid Zhejiang Electric Power Co.,Ltd.,Hangzhou 310007,China
  • Revised:2019-01-24 Online:2019-02-01 Published:2019-02-23
  • Supported by:
    State Grid Science and Technology Project “Research on the Third-generation Precise Positioning Technology of BeiDou and its Application in Smart Grid”(5211XT180047)

摘要:

智能电网雷电定位系统是一项重要的电力业务,其雷电定位精度很大程度上取决于时间同步的精度。研究并比较了3种北斗授时方式,发现RNSS授时方式最适合应用于雷电定位系统。进而研究了RNSS授时的原理和特点,并提出了一种低成本的用户终端授时软硬件架构和算法,利用经过卡尔曼滤波的北斗秒脉冲信号,通过PID算法,校准用户时钟并调节压控温补晶振,使得用户终端时间和GNSS时间的偏差在任何时刻都控制在100 ns以下,以满足雷电定位系统的精度要求。

关键词: 北斗, RNSS, 授时, 智能电网, 雷电定位, 时间同步

Abstract:

The smart grid lightning location system is an important power service,and its lightning location accuracy largely depends on the accuracy of time synchronization.Three kinds of BeiDou timing methods were studied and compared,and the RNSS timing method was found to be most suitable for lightning location systems.Furthermore,the principle and characteristics of RNSS timing were studied,and a low-cost user terminal timing hardware and software architecture and algorithm were proposed.The Kalman filter-based BeiDou second pulse signal was used to calibrate the user clock and adjust the voltage through the PID algorithm.The temperature-controlled crystal oscillator made the deviation between the user terminal time and the GNSS time below 100 ns at any time to meet the accuracy requirements of the lightning positioning system.

Key words: BeiDou, RNSS, timing, smart gird, lightning locating, time synchronization

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