变电站站用低压电源可编程式备自投切系统  

A Programmable Spare Power Automatic Switching System for Low Voltage Power Used in Transformer Substation

作　　者：邓世杰[1] 

机构地区：[1]宁夏电力公司吴忠供电局,宁夏吴忠751100

出　　处：《低压电器》2010年第15期25-26,47,共3页Low Voltage Apparatus

摘　　要：将可编程控制器纳入到了变电站综合自动化系统中,有效解决了无人值守站所用低压系统备自投切不可靠问题,完善了所用低压系统投切时的遥信、遥测电气信号量,提高所用低压电源在各种工况下的智能备自投切成功率,提高了设备安全运行水平。Bringing the programmable controller into comprehensive automation system for transformer substa-tion,the unreliability of spare power automatic switching system for low voltage system used in automatic station was effectively solved.The electric signal of telecommand and telemetering was perfected when low voltage system switc-hing.The success rate of intelligent spare power automatic switching for low voltage power was increased in any conditions.The safe operation of the equipment was improved.

关 键 词：变电站用低压系统 可编程控制器 备自投 智能 缺相 欠压 

分 类 号：TM762.1[电气工程—电力系统及自动化]