| 电子电力变压器三阶数学模型及其应用 |
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| 引用本文： | 习超,陆继明,毛承雄,王丹.电子电力变压器三阶数学模型及其应用[J].水电能源科学,2007,25(5):135-138,158. |
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| 作者姓名： | 习超 陆继明 毛承雄 王丹 |
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| 作者单位： | 华中科技大学,电力安全与高效湖北省重点实验室,湖北,武汉,430074 |
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| 摘 要： | 提出了一种新的三阶EPT数学模型,比以前采用的一阶简化模型精度更高,更能详细地反映EPT内部暂态过程。在此模型基础上研究了含EPT的单机无穷大系统的最优综合控制技术,仿真结果可清晰地看出EPT高、低压侧直流环节电压的变化及系统阻尼特性的改善。
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| 关 键 词： | 电子电力变压器 数学模型 最优控制 综合控制 |
| 文章编号： | 1000-7709（2007）05-0135-05 |
| 收稿时间： | 2007/5/16 0:00:00 |
| 修稿时间： | 2007-05-162007-05-23 |
Third-order Mathematical Model of Electronic Power Transformer and its Application |
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| XI Chao,LU Jiming,MAO Chengxiong,WANG Dan.Third-order Mathematical Model of Electronic Power Transformer and its Application[J].International Journal Hydroelectric Energy,2007,25(5):135-138,158. |
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| Authors: | XI Chao LU Jiming MAO Chengxiong WANG Dan |
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| Affiliation: | Electric Power Security and High Efficiency Lab, Department of Electrical Eng. ,HUST,Wuhan 430074,China |
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| Abstract: | A new third-order EPT mathematical model is proposed in this paper.The precision of the proposed model is higher than that of the first-order simplified model,and the transient process of EPT can be shown in detail.The optimal integrative control technique of single machine infinite bus system with EPT is also studied based on the proposed model.Simulation results show that the change of DC link voltage in EPT's high voltage side and low voltage side is clear,and damping characteristic is improved. |
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| Keywords: | electronic power transformer mathematical model optimal control integrative control |
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