摘要
本文针对３次谐波发电机定子接地保护，提出了基于自适应原理的微机保护方案，分析了各种保护方案在不同的发电机中性点接地方式下的灵敏度。本文阐述了保护方案微机实现的几个关键环节和特点。现场真机试验和试运行表明，该保护方案具有较高的灵敏度和可靠性。
A project of microcomputer based adaptive generator protection on the basis of third harmonic principle for stator ground fault is presented.The authors analyze the sensitivity of various protective plans used in different neutral grounding of generator and describe the key links and main characteristics for realizing this project with microcomputer.The results of field test and trial operation show that the project is of high sensitivity and high reliability.
出处
《电网技术》
EI
CSCD
北大核心
1996年第11期59-61,67,共4页
Power System Technology
关键词
发电机
定子
接地故障
微机
Adaptive principle
Generator protection
Stator ground fault
