| 大区互联电网振荡频率特性分析 |
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| 引用本文： | 杨东俊,李继升,丁坚勇,胡丹晖.大区互联电网振荡频率特性分析[J].华中电力,2012,25(1):71-73. |
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| 作者姓名： | 杨东俊 李继升 丁坚勇 胡丹晖 |
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| 作者单位： | 华中电力科学研究院,华中电力科学研究院,武汉大学电气工程学院,华中电力科学研究院 |
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| 摘 要： | 基于两机系统模型分析提出大区互联系统区域间振荡频率特性变化主要受互联系统总容量、互联子系统容量比、互联系统间的交换功率、互联系统间联系电抗等因素的影响,并基于WAMS的实测数据,应用理论分析的结论对华中-华北1000kV特高压联络线运行两年以来的频率变化情况进行了分析。
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| 关 键 词： | 电力系统稳定 大区互联电网 固有频率特性 广域测量系统 |
| 收稿时间： | 8/1/2011 12:00:00 AM |
Analysis of Oscillation Frequency Characteristics in Large Area Inter-Connected Power Grids |
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| YANG Dong-jun,LI Ji-sheng,DING Jian-yong and HU Dan-hui.Analysis of Oscillation Frequency Characteristics in Large Area Inter-Connected Power Grids[J].Central China Electric Power,2012,25(1):71-73. |
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| Authors: | YANG Dong-jun LI Ji-sheng DING Jian-yong and HU Dan-hui |
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| Affiliation: | 1(1.Central China Electric Power Research Institute,Wuhan 430077,China; 2.School of Electrical Engineering,Wuhan University,Wuhan 430071,China) |
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| Abstract: | Based on two-source system model analysis,this paper proposes the major factors that influence oscillation frequency characteristic variation of inter-regional interconnected system as the total system capacity,sub-capacity ratio,power exchange between interconnected power grids,reactance between the grids,etc.Based on the WAMS measured data,above conclusion is applied in analyzing the frequency variation on Central China-North China 1000kV UHV link line in two years of operation. |
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| Keywords: | power system stability large area inter-connected power grids natural frequency characteristics WAMS(Wide Area Measurement System) |
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