复杂可编程逻辑器件在配电网接地故障选线装置中的应用  

The Application of Complex Programable Logic Device in Faulted Line Detection Device of Reasonant Ground Network

作　　者：石勇[1] 张艳霞[1] 刘卓辉[1] 

机构地区：[1]天津大学电气与自动化工程学院,天津300072

出　　处：《天津电力技术》2004年第4期21-24,共4页Tianjin Electric Power Technology

摘　　要：根据复杂可编程逻辑器件(CPLD)的特点及其在继电保护的应用背景,探讨了CPLD 在配电网单相接地故障选线装置中的设计与使用方法。应用 CPLD 不仅可以大大简化电路、提高装置的可靠性;而且装置逻辑功能的改变可以通过编程实现,使得装置的调试更加方便。本文利用 LSE—Modelsim 开发环境验证了设计方案的正确性。此设计方案已经成功地应用到自行设计的配电网接地故障选线装置中。According to the Complex Prngramable Logic Device(CPLD)basic characteristics and its ap- plication background in the relay protection,this paper study the design and application of the CPLD in faulted line detection device of distribution network.The application of CPLD simplify the electrocircuit,and improve the reliability of device.And its logic function can changes by programme,simplify the device debugging.It has used ISE-Modelsim to simulate the function and it has been proved to be accurate.The system has been ap- plied in Faulted Line Detetion Device,which has been designed successfully.

关 键 词：选线装置 配电网 单相接地故障 继电保护 复杂可编程逻辑器件(CPLD) 逻辑功能 CPLD LSE 电路 可靠性 

分 类 号：TM862[电气工程—高电压与绝缘技术] TM77