摘要
针对已有转子接地保护方案的局限性,提出了新型注入方波电压式转子接地保护方案,阐述了基本原理及保护判据的形成,并就应用中的几项关键技术进行了分析;最后介绍了该保护方案的应用情况,证明了提出的注入方波电压式转子接地保护完全满足特大型机组的要求。
This paper analyses the defects of existing rotor ground protection. Based on the new demands of super-huge generator, a new injection rotor ground protection scheme is brought forward, the basic principle and protection criterion are analyzed, and several key techniques of the protection are expatiated. The application of the proposed protection scheme proofs that the new injection rotor ground protection is exact and reliable.
出处
《江苏电机工程》
2009年第2期74-77,共4页
Jiangsu Electrical Engineering
关键词
转子接地保护
注入式
自适应方波频率调整
rotor ground protection
injecting
adaptive adjustment of step voltage frequency
