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Issue:
Influence of turbine governor parameters on power system damping
Author(s):
WANG Guanhong
,
HUANG Xing
Pages:
87
-
90
Year:
2011
Issue:
4
Journal:
Electric Power Automation Equipment
Keyword:
汽轮机调速系统
;
分界频率
;
阻尼特性
;
电力系统
;
Abstract:
建立了电力系统稳定计算用汽轮机及调速系统的数学模型并对其进行了适当的简化.频域分析和时域仿真表明,不同参数配置下的汽轮机调速系统对电力系统的影响不一样,它可能增加系统的阻尼,也可能减小系统阻尼.放大倍数不改变系统的分界频率,但阻尼大小、时间常数和纯延时等非线性环节是影响分界频率的主要因素.汽轮机调速系统对电力系统阻尼特性的影响可以通过其提供的附加阻尼系数的符号和大小来确定.分界频率是判断调速系统阻...
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