Protection Distance of Surge Protective Devices in Low Voltage Distribution Systems

被引:3
|
作者
张栋 [1 ]
傅正财 [1 ]
赵刚 [1 ]
孙伟 [1 ]
机构
[1] Department of Electrical Engineering,Shanghai Jiaotong University
关键词
over-voltage protection; surge protective devices (SPDs); effective protection distance; lumped-parameter circuit;
D O I
暂无
中图分类号
TM77 [电力系统继电保护];
学科分类号
080802 ;
摘要
Protection distance of surge protective devices (SPDs) is an important problem in designing a good location scheme of SPDs in low voltage distribution systems for protecting electrical equipments against over- voltage caused by lightning stroke. The simplified lumped-parameter circuit model and the circuit method were used to study the protection distance problem of SPDs. The analytical solutions of the load voltage and general equations of the protection distance of SPDs under different load conditions were given. Simulation results of examples proved the validity of the proposed analytical method.
引用
收藏
页码:477 / 481
页数:5
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