文中特别介绍了发电机保护和低频低压解列技术的应用。
Specially, generator protection, under-voltage protection and frequency protection are introduced in this paper.
同步发电机整流带反电动势负载时，当系统参数不匹配，在一定工况下，可能出现低频振荡。
For some operating conditions, a synchronous generator with a rectifier and back-EMF load maybe exhibit low-frequency oscillations when the system parameters do not match.
针对近年来电力系统低频振荡中出现的非线性奇异现象，阐述了发生这种现象的机理，并在文献1的基础上，把发电机的模型扩展到四阶。
For the nonlinear singularity phenomenon of power system, it is stated the mechanism of phenomenon. On the basis of references 1, the generator model is expanded to four dimensions.
在同步发电机组调速器侧装设电力系统稳定器是抑制电力系统低频振荡的有效措施。
Fixing power system stabilizer on the governor of synchronous generator is an effective method to restrain low frequency oscillation.
传统的PSS使用本地可测量的发电机电磁功率、转速等作为输入信号以抑制低频振荡。
The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.
介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则；
The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection.
介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则；
The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection.
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