| 应用DFIG-PSS改善电力系统低频振荡 |
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| 引用本文： | 边晓燕,耿艳.应用DFIG-PSS改善电力系统低频振荡[J].上海电力学院学报,2015,31(4):347-352. |
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| 作者姓名： | 边晓燕 耿艳 |
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| 作者单位： | 上海电力学院电气工程学院,上海电力学院电气工程学院 |
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| 摘 要： | 在双馈异步风力发电机组中加装电力系统稳定器(DFIG-PSS)以提高系统阻尼,并分析了DFIG-PSS抑制低频振荡的原理,总结了4种典型的PSS模型和不同DFIG的控制方案下DFIG-PSS的输出接口位置,以及DFIG-PSS的输入信号.通过在含DFIG风电场的3机9节点系统中的仿真分析,表明DFIG-PSS对区域内振荡和区间振荡均有改善效果,且DFIG-PSS安装位置的不同,对低频振荡的改善程度也存在差异.
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| 关 键 词： | 电力系统 稳定器 低频振荡 |
| 收稿时间： | 2014/9/24 0:00:00 |
Application of DFIG-PSS to Improving Low-frequency Oscillation in Power System |
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| BIAN Xiaoyan and GENG Yan.Application of DFIG-PSS to Improving Low-frequency Oscillation in Power System[J].Journal of Shanghai University of Electric Power,2015,31(4):347-352. |
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| Authors: | BIAN Xiaoyan and GENG Yan |
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| Affiliation: | School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China and School of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China |
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| Abstract: | A power system stabilizer is installed in doubly-fed induction generator for improving power system damping. The principle of suppressing low frequency oscillation of DFIG-PSS is analyzed. Four kinds of typical PSS model as well as output interface location of DFIG-PSS under different control scheme of DFIG and input signals of the DFIG-PSS are summed up. Finally, through the simulation analysis, the intra-area oscillation and inter-area oscillation are improved through DFIG-PSS being verified, and various installation positions of DFIG-PSS have different degrees of improvement for low-frequency oscillation. |
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