| 一类负荷侧电压振荡问题的机理分析 |
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| 引用本文： | 顾伟,许琦,唐国庆.一类负荷侧电压振荡问题的机理分析[J].江苏电机工程,2007,26(6):34-37. |
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| 作者姓名： | 顾伟 许琦 唐国庆 |
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| 作者单位： | 1. 东南大学电气工程学院,江苏,南京,210096
2. 南京供电公司,江苏,南京,210008 |
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| 摘 要： | 已有研究表明,当在功率恢复型动态负荷侧安装电压控制设备来进行电压控制和提高负荷裕度时,虽然可以延迟鞍结分岔,提高静态负荷裕度,但会在系统中感应Hopf分岔,引起系统电压振荡失稳.将对该模型进行降维处理,通过严格的数学推导,来证明该Hopf分岔的必然性,并解释该问题的物理本质.
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| 关 键 词： | 电压振荡 电压崩溃 Hopf分岔 鞍结分岔 |
| 文章编号： | 1009-0665(2007)06-0034-03 |
| 修稿时间： | 2007年7月14日 |
Analysis of a Class of Voltage Oscillation in the Load Side |
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| GU Wei,XU Qi,TANG Guo-qing.Analysis of a Class of Voltage Oscillation in the Load Side[J].Jiangsu Electrical Engineering,2007,26(6):34-37. |
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| Authors: | GU Wei XU Qi TANG Guo-qing |
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| Abstract: | A Single-machine Dynamic-load system with a SVC device installed in the side of recovery load is studied in this paper.Some old research results indicated that SVC was able to improve system static loadability but lead to a voltage oscillation and a Hopf bifurcation.A dimension reduction approach is used to simplify the system to 2-dimension model.Then rigorous mathematical certifications are supplied to show the inevitability of this Hopf bifurcation and explain the physical nature of this problem. |
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| Keywords: | voltage oscillation voltage collapse hopf bifurcation saddle-node bifurcation |
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