对相差高频保护操作电流的分析  

Analysis of the Operation Current of the Phase Difference High Frequency Protection

作　　者：胡希同[1] 姜志海[1] 

机构地区：[1]山东理工大学,山东淄博255091

出　　处：《山东工程学院学报》2001年第4期60-63,共4页Journal of Shandong Institute of Technology

摘　　要：分析了电力系统不同短路情况下,各序电流分量的相位对相差高频保护的影响及相差高频保护存在的缺陷,从而得出相差高频保护操作电流的选择以及改善相差高频保护性能的措施。Based on the analysis of the influnce of every sequence electric current component phase on the phase difference high frequency protection in different case of short circuit on powers system,this paper presents the selection of the phase different high frequency protection operation current and includes the defects in the phase difference high frequency protection failure

关 键 词：操作电流 电流相位差 相差高频保护 电力系统 短路故障 

分 类 号：TM771[电气工程—电力系统及自动化] TM713