刘昌玉;何雪松;何凤军;王官宏;林因;颜秋容;

• 1:华中科技大学水电与数字化工程学院
• 2:中国电力科学研究院
• 3:福建省电力有限公司电力科学研究院
• 4:华中科技大学电气与电子工程学院

摘要(Abstract)：

针对目前电力系统仿真计算中水电机组模型过于简化的问题,建立一种水电机组原动机及其调节系统精细化模型。该模型不仅包含调压室效应,还考虑分叉管影响,从而可以模拟机组功率的低频振荡和机组间的水力耦合现象。此外,通过分析双曲正切函数的频率特性,提出一种新的降阶弹性水击方程,在较低的阶数下实现了更好的逼近精度。某水电站仿真结果表明,文中提出的精细化模型能够更准确地再现水轮机调节系统在各个工况下的动态响应过程。

关键词(KeyWords)： 电力系统仿真;原动机及其调节系统;建模;调压室;分叉管;水击方程;水力耦合

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51479077);; 国家电网公司重点项目(XT71-13-038)~~

作者(Author): 刘昌玉;何雪松;何凤军;王官宏;林因;颜秋容;

Email:

DOI: 10.13335/j.1000-3673.pst.2015.01.035

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