并行冗余和高可靠无缝环网冗余技术在智能变电站中的应用

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Abstract This paper analyzes and summarizes the application status of internal network communication in smart substation. Aiming at the problems of real-time and reliability of network communication existing in the smart substation, this paper puts forward an implementation scheme of smart station one layer network based on IEC 62439—3 parallel redundancy protocol and high-availability seamless redundancy, and completes the development of typical equipment and related test verification. The test results show that parallel redundancy protocol and high-availability seamless redundancy technology can meet the requirements of power system protection device for quick action and has good practicability in intelligent substation automation system. Finally, the impact of the implementation scheme on smart substation is analyzed from the aspects of network architecture.

Key words： smart substation parallel redundancy high-availability seamless redundancy one layer network dual network redundancy

Received: 01 December 2020

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	XIE Li

Cite this article:

XIE Li. Application of parallel redundancy and high-availability seamless redundancy technology in smart substation[J]. Electrical Engineering, 2021, 22(9): 103-108.

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http://dqjs.cesmedia.cn/EN/Y2021/V22/I9/103

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