广域保护中基于能量守恒原理的母线及输电线差动保护(英文)

被引：10

作者：

Farhad NAMDARI ^{[1
]}

Sadegh JAMALI ^{[1
]}

Peter A CROSSLEY ^{[2
]}

机构：

[1] Centre of Excellence for Power Systems Automation and Operation, Department of Electrical Engineering,Iran University of Science and Technology, Tehran,-, Iran

[2] University of Manchester, Manchester,M QD,

来源：

电力系统自动化 | 2007年 / 03期

关键词：

线路保护; 母线保护; 功率差动保护; 广域保护;

D O I：

暂无

中图分类号：

TM771 [保护原理];

学科分类号：

摘要：

提出一种基于能量守恒原理的纵联差动保护,对线路两端或母线各端的有功功率进行比较,若各端功率的和超出整定值,则判定为区内故障。在典型400 kV输电系统模型上,运用MATLAB仿真软件对所提出的原理进行了仿真验证。仿真结果表明,该方法比传统电流比率差动保护更加可靠且计算量小,因而可缩短动作时间。该方法能检测所有故障类型,适应于超高压远距离输电线路。

引用

页码：35 / 40

页数：6

共 11 条

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