本文针对中山电网电力通信线路保护业务的现状及存在的问题，在分析2M光接口应用研究情况的基础上，提出了2M光接口的线路保护业务模型。随着61850标准的推广、统一的2M光接口的应用，该模型将使线路保护业务与其他控制系统在厂站端更加趋向融合。%This article in view of the Zhongshan power grid communications line protection business present situation and the existence question, the analysis of 2M optic-interface application research based on case, put forward 2M optic-interface line protection business model. With the 61850 standard promotion, unified 2M optic-interface application, the model will make the line protection business and other control system in substation more integration trend.
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