无刷励磁系统改造的方案设计及应用  

Scheme design and application of brushless excitation system reformation

作　　者：王海军[1] 霍乾涛[1] 史玉华[1] 

机构地区：[1]国电南瑞科技股份有限公司,江苏南京210061

出　　处：《电气传动自动化》2014年第6期29-32,共4页Electric Drive Automation

摘　　要：分析并对比无刷励磁机励磁系统和自并励励磁机励磁方式的特点,据此形成了运行时存在稳定问题某电厂励磁系统的改造方案,并根据发电机参数和特性设计并生产了一套合理的自并励励磁系统,该励磁系统通过各种投运试验和并解决了上述问题,表明该改造方案的设计非常成功,为其他机组的改造提供参考,具有一定的意义。The exciting systems of the brushless exciters and the exciting modes of the self-shunt exciters are analyzed and compared. The scheme design and reformation applications of brushless excitation systems are presented. According to the generator parameters and characteristics, a set of self-shunt excitation system is designed. The system passes various tests and can solve the above-mentioned system problems. It is proved that the design is very successful. It also provides reference for other generator brushless exciting systems,and has certain significance.

关 键 词：无刷励磁 自并励 改造 励磁系统 

分 类 号：TM761.11[电气工程—电力系统及自动化]