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分析了电力系统的通讯系统和电力实时监控系统在数据通信方面所存在的问题，论述了建网目的、思想及方法，概述了在华东电网网省市电力调度以及大型厂站，建立数据通信网（包括数字数据网和分组交换网）以及实时信息网的设计方案。
This paper analyzes the problems existing in the data communication between power system communication system and power real-time monitoring system, discusses the purpose, idea and method of network construction. It also summarizes the power grid dispatching and power plant dispatching in East China Power Grid and the establishment of data communication network (Including digital data network and packet switched network) and real-time information network design.