Abstract
In order to improve the accuracy of time synchronization and the reliability of data communication in power system fault location, a new Beidou satellite based timing and communication technology applied to power fault location system using traveling wave is designed in this paper. Principle of Beidou timing was firstly analyzed. Considering the disadvantages and advantages of one-way and two-way timing style in Beidou, a new combinational timing scheme based on Beidou satellite system was proposed. Then, through the deep analysis of basic principle of communication, two-way short message communication of Beidou Satellite was proposed and the corresponding communication protocol was made. Eventually, traveling wave based fault location system using the technology of Beidou satellite timing and communication in transmission lines is preliminarily designed. Simulation and test results show that the presented scheme can be applied to fault location system absolutely, which can provide high accuracy of time synchronization for the system, and improve the location accuracy. It also could ensure the high reliability in Beidou system using short message communication, which no longer need other data transmission access. in that case, it would save the construction cost of power grid communication greatly.
Published Version
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