大型发电机组相间故障保护整定及灵敏度分析  

A Protective System for the Interphase Failures of Large Dynamos and an Analysis of Its Sensitivity

作　　者：侯为林[1] 王妍哲[2] 顾晶涛[2] 

机构地区：[1]太平湾发电厂,辽宁丹东118000 [2]长春工程学院电气工程系,吉林长春130012

出　　处：《长春工业大学学报》2003年第1期59-61,共3页Journal of Changchun University of Technology

摘　　要：分析比率制动式纵差保护系统作为大容量机组主保护的可靠性及灵敏度,通过该系统在太平湾发电厂3#机组的应用,证明该方法限制不平衡电流影响是有效的,保证了电力系统供电质量。The reliability and sensitivity of the vertical difference protective system with rate brake have been analyzed. This system has been the main safeguard used in largescale power systems. Its effectiveness is proved through the use in the Taipingwan electric power plant.This method can ensure the quality of power supply.

关 键 词：大型发电机组 比率制动式纵差保护系统 不平衡电流 可靠性 灵敏度 电力系统 故障分析 

分 类 号：TM774[电气工程—电力系统及自动化] TM307.3