PLC在备用电源自动投入中的应用  

Application of PLC in Automatic Put-in of Standby Power Source

作　　者：姚明仁[1] 

机构地区：[1]三峡大学电气信息学院,湖北省宜昌市443002

出　　处：《电力建设》2002年第3期21-23,共3页Electric Power Construction

摘　　要：大、中型工厂变电所主变压器低压侧常采用单母线分段的运行方式。将PLC应用于单母线分段联络断路器的备用电源自动投入装置中 ,可提高供电系统的可靠性。与继电器组成的备用电源自动投入装置相比 ,具有可靠性高、接线简单、控制灵活。The low voltage side of the main transformers in the substations of large and middle-sized plants uses operation mode in the single-bus sections.Application of PLC in the standby power source automatic put-in device for tie circuit breader on the single-bus section can increase the reliability of the power supply system.Compared to the standby power source automatic put-in device composed of the relays,PLC has advantages including high reliability,simple connection,flexible control,convenient adjustment and test,small investment,etc.

关 键 词：PLC 厂供电 备用电源 自动投入 

分 类 号：TM726[电气工程—电力系统及自动化]