| 基于增加联络线的互联电网低频振荡抑制方法 |
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| 引用本文： | 董明齐,刘文颖,袁娟,史可琴,范越. 基于增加联络线的互联电网低频振荡抑制方法[J]. 电力系统自动化, 2007, 31(17): 94-98 |
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| 作者姓名： | 董明齐 刘文颖 袁娟 史可琴 范越 |
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| 作者单位： | 华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京市,102206;西北电网有限公司,陕西省西安市,710048 |
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| 基金项目： | 西北电网有限公司资助项目 |
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| 摘 要： | 以西北电网的低频振荡问题为例,分析和比较了投入电力系统稳定器(PSS)和增加互联电网之间联络线这2种方法对互联电网区域低频振荡的抑制效果,指出由于弱互联电网联络线存在负阻尼效应,因此更好地抑制互联电网区域低频振荡的方法是加强互联电网之间联络线的结构.
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| 关 键 词： | 低频振荡 互联电网 弱阻尼 电力系统稳定器 联络线 |
| 收稿时间： | 2006-11-11 |
| 修稿时间： | 2006-11-11 |
Low-frequency Damping Method of Interconnected Power Grids by Increasing Tie-lines |
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| DONG Mingqi,LIU Wenying,YUAN Juan,SHI Keqin,FAN Yue. Low-frequency Damping Method of Interconnected Power Grids by Increasing Tie-lines[J]. Automation of Electric Power Systems, 2007, 31(17): 94-98 |
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| Authors: | DONG Mingqi LIU Wenying YUAN Juan SHI Keqin FAN Yue |
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| Abstract: | For the low-frequecy oscillation problems of Northwest power grid,the two methods of employing power system stabilizers(PSS)and increasing tie-lines between two connected power grids are analyzed and compared.It is pointed out that for the weakly interconnected power grid,due to the negative damping effect of weak tie-lines,the better damping low-frequency method is the reinforcement of the tie-line's construction of interconnected power grid. |
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| Keywords: | interconnected power grid weak damping low-frequency oscillation power system stabilizer(PSS) tie-line |
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