摘要
经常发生空充主变时差动保护误动作跳闸。针对空充主变时保护误跳闸现状,本文从分析保护装置原理、整 定计算、主变性能出发提出改进措施。
A wrong tripping caused by relay protection when a charging up is made in a no-load main transformer is appeared often. Aiming at the actuality of this problem, analyzing the theory & setting calculation of relay protection device, and the features of main transformer, the author presented some improve-measures in this paper.
出处
《广东输电与变电技术》
2004年第6期48-51,共4页
Guangdong Power Transmission Technology
关键词
空充主变
误跳
改进措施
Charging up is made in a no-load main transformer Wrong tripping Improve-measures
