...电力系统及其自动化；20 kV线路；小电阻接地；单相高阻接地；零序功率方向保护 [gap=759]Key words: electric power system and automation; 20 kV branch; low？
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The system of electric power dispatching automation is the application of advanced computer technology and communication technology on electric power control and management.
电网调度自动化系统是将先进的计算机技术和通讯技术应用于电网的运行控制和管理。
A remote automation meter data reading system for low voltage electric power user is introduced. It gives configuration block diagram, principle and system characteristic.
介绍一种低压电力用户远程自动抄表系统，给出了该系统的结构框图，简述了其工作原理与系统的功能特点。
Qinghai power network dispatching automation report system became an important part of modem electric power network dispatching automation system, because it has simple and clear feature.
青海电网调度自动化报表子系统以其简明、直观的特点成为现代电网调度自动化系统的一个重要组成部分。
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