大型发电机灭磁及转子过压保护分析  

Analysis of large generators demagnetization and rotor overvoltage protection

作　　者：曾维勇 

机构地区：[1]湛江中粤能源有限公司,广东湛江524099

出　　处：《贵州电力技术》2012年第5期41-43,共3页Guizhou Electric Power Technology

摘　　要：通过目前国内外普遍采用的灭磁方案比较及存在的问题，重点介绍了新型PTC线性电阻配合非线性电阻灭磁的动作原理，提出了一种新颖可靠的发电机灭磁方案。Through comparing with the demagnetization scheme that generally adopted both at home and abroad and existing problems, this thesis introduces the high energy PTC material, cooperates with the nonlinear resistance to demagnetization＇s movement principle, and puts forward a kind of novel and reliable demagnetization scheme of generator.

关 键 词：磁场断路器 高能陶瓷电阻 非线性电阻 灭磁 

分 类 号：TM76[电气工程—电力系统及自动化]