| 应用正规形理论的电力系统低频振荡分析 |
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| 引用本文： | 胡炳杰,赵书强,陈彩凤.应用正规形理论的电力系统低频振荡分析[J].电力科学与工程,2009,25(2). |
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| 作者姓名： | 胡炳杰 赵书强 陈彩凤 |
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| 作者单位： | 1. 华北电力大学,电气与电子工程学院,河北,保定,071003
2. 厦门电力公司,福建,厦门,360001 |
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| 摘 要： | 应用向量场正规形方法分析电力系统低频振荡,应用正规形方法对电力系统运动方程在平衡点处进行泰勒展开,保留二次项,揭示了非线性模式相关性对电力系统动态特性的影响.通过正规形变换,可以将线性系统中的参与因子的概念扩展到非线性系统中,从非线性参与因子的角度说明了系统各振荡模式之间的非线性相互作用.
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| 关 键 词： | 低频振荡 正规形 非线性参与因子 电力系统 |
Application of Normal Form in Power System Low-frequency Vibration Analysis |
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| Hu Bingjie,Zhao Shuqiang,Chen Caifeng.Application of Normal Form in Power System Low-frequency Vibration Analysis[J].Power Science and Engineering,2009,25(2). |
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| Authors: | Hu Bingjie Zhao Shuqiang Chen Caifeng |
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| Affiliation: | 1.School of Electrical and Electronic Engineering;North China Electric Power University;Baoding 071003;China;2.Xiamen Electric Power Company;Xiamen 360001;China |
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| Abstract: | In this paper,vector-formal method was implicated to analyze low-frequency oscillator in power system.The influence of non-linear model relevance to power system dynamic characteristics were resealed by Taylor expand in the balance point of power system equations of motion and reserving quadratic term.Through the normal form transformation,participate factor of linear system can expand to nonlinear system.From the perspective of non-linear factor,the non-linear interaction between the oscillator patterns of... |
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| Keywords: | low-frequency oscillator normal form non-linear participate factor |
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