霍承祥;刘取;刘增煌;

• 1:中国电力科学研究院

摘要(Abstract)：

首先研究了附加调差对系统阻尼的影响,即将附加调差引入菲利蒲–海佛隆模型,推导出附加调差提供的阻尼转矩系数增量随附加调差系数变化的曲线是一条二次抛物线,而且这条抛物线的开口方向和位置与励磁参数、发电机参数、运行状况及系统参数有关。然后分析了附加调差对发电机频率响应特性的影响。仿真计算和现场试验结果表明:在0.1~2 Hz的低频振荡频段,较大的附加调差系数对发电机频率响应特性的影响明显,因此配置电力系统稳定器时计入附加调差的影响是很必要的。

关键词(KeyWords)： 励磁系统;附加调差;阻尼;频率响应特性;电力系统稳定器

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 霍承祥;刘取;刘增煌;

Email:

DOI: 10.13335/j.1000-3673.pst.2011.10.030

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