技术文库--中国自动化网 关键词：火电机组；一次调频；协调控制系统；稳定性 [gap=438]Keywords：fossil power plant；primary frequency control；coordinate control system；stability
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Frequency signal is a primary input to hydro turbine governor control system.
频率信号是水轮机调速器控制系统基本的输入量。
Through the analysis of several kind of turbo-generator control system, the new concept is proved to be an overall description of primary frequency regulation.
通过比较分析几种汽轮机调节系统的一次调频动态特性，证明采用一次调频动态特性概念可以本质、全面地反映汽轮机调节系统的一次调频特性。
Optimization of such strategies as decoupling control and primary frequency modulation was adopted at the same time to make the unit meet the requirement of AGC operation even more.
另外，采用解耦控制和一次调频等策略的优化，使机组更适应AGC守口子运行的要求。
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