摘要
通过对线路保护中启动元件的分析，提出了对现有微机保护的改进意见。分析表明，新保护方案具有更高的动作可靠性。
In this paper, the pickup units of transmission line relaying are analysed, the improving scheme of micro processor - based protection is put forward. The study result shows that the reliability of new protection scheme is higher.
出处
《电力学报》
1998年第3期190-192,共3页
Journal of Electric Power
关键词
微机保护
启动元件
工频突变量
线路保护
microprocessor-based protection
pickup unit
different between the pre-and postfault power frequency components
