摘要
针对距离保护存在的一些问题,详细分析了单相接地短路故障时产生的附加阻抗,说明了过渡电阻对接地方向阻抗继电器性能的影响。提出了接地距离保护运用人工神经网络作为自适应控制手段来消除过渡电阻的思想。
The paper presents some problems about distance protection. It analyses the extra impedance caused by single-phase ground-fault short, explairns effect of the transition resistance on the performance of the ground-fault distance protection. The paper also proposes adaptive ground-fault distance protection, which applies artificial neural network to eliminate the effect of transition resistance.
出处
《电气开关》
2009年第5期10-12,15,共4页
Electric Switchgear
关键词
距离保护
过渡电阻
人工神经网络
自适应控制
distance protection
transition resistance
artificial neural network
adaptive control
