摘要
本文介绍一种用于发电机的微机反时限负序电流保护装置,装置兼有显示I_2及 T(_2~2)t 和压缩数据打印功能,为了保证宽频率范围内的测量准确度,采用了自适应采样,装置具有准确、可靠的特点,便于运行和试验,文中简述了硬件、软件和样机试验结果。
This paper presents a microcomputer based inverse time negative sequence current protection for generators.Functions of I_2 and I_2~2t displaying and compressed fault da- ta printing are incorporated.Adaptive sampling is employed for accurate measurement in wide-range frequencies.This equipment features good accuracy and reliability,and is very easy to operate and test.A brief account of hardware,software and test results of proto- types is givcN.
出处
《电力系统自动化》
EI
CSCD
北大核心
1992年第3期22-27,共6页
Automation of Electric Power Systems
关键词
负序
过电流保护
微机
发电机
Inverse Time
Negative Sequence
Overcurrent Protection
Fault Data Record
