微机故障解列装置  

Microprocessor Based Fault Disconnection Device

作　　者：陈松林 吴银福[1] 

机构地区：[1]国家电力公司电力自动化研究院保护所,江苏南京210003

出　　处：《电力自动化设备》2000年第1期31-32,共2页Electric Power Automation Equipment

摘　　要：介绍了微机故障解列装置的原理、特点和算法。采用80C196高性能快速单片机为保护CPU,频率测量单元运用硬件测频,测量精度高;低周解列单元设有完善可靠的防止误动作的闭锁措施;低压解列单元具有可靠的三相TV断线闭锁判据。该装置已通过各种测试和动模试验,并投入现场运行。The principle, characteristics and algorithms of microprocessor based fault disconnection device are introduced in detail. The device adopts 80C196 microprocessor as the CPU of relay; the frequency measurement unit employs hardware to measure frequency, the measurement precision is higher; the under frequency disconnection unit has perfect, reliable blocking measure to prevent mal operation; the under voltage disconnect unit has reliable criteria to detect three phase voltage failure. The device has been verified through different dynamic model tests and put into site operation.

关 键 词：电力系统 稳定运行 微机 故障解列装置 

分 类 号：TM732[电气工程—电力系统及自动化] TM762.45