基于PLC实现的低压双电源备自投系统  

The Realizing of Transfer System of Dual Low Voltage Power Supply Based on PLC

作　　者：李红伟[1] 王洪城[1] 谭雪峰 

机构地区：[1]西南石油大学电信院 [2]江苏华厦电器集团

出　　处：《电气应用》2007年第6期131-133,共3页Electrotechnical Application

摘　　要：针对常见的双电源供电系统,设计了基于西门子S7—200PLC实现的低压双电源备自投控制系统,并详细分析了基于S7—200和施耐德M型低压断路器的实现原理、接线图。此系统已在多个实际项目中使用,运行可靠、灵活,完全满足技术和用户的要求。This topic presents the realizing of transfer control system of auxiliary supply based on Siemens S7-200 PLC. And the principle and winding diagram which based on S7-200 and Schneider M circuit-breaker are introduced in detail. The control system which has been working in practice has high reliability and flexibility and can meet the requirements from techniques and users.

关 键 词：PLC 备自投 M型低压断路器 控制系统 

分 类 号：TM762[电气工程—电力系统及自动化]