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介绍了光纤通信在配电网自动化系统中的作用，提出采用具有自愈功能的光纤双环路收发器，可提高光纤环路通信的可靠性。分析了这种光纤双环路收发器的基本原理、功能、特点，并给出其在光纤双环通信网中的应用举例。
This paper introduces the function of optical fiber communication in the distribution network automation system and proposes the use of a self-healing optical fiber dual loop transceiver to improve the reliability of optical fiber ring communication. The basic principle, function and characteristic of this kind of optical fiber dual loop transceiver are analyzed. And examples of its application in optical fiber dual ring communication network are given.