| 水力系统模型对电力系统暂态稳定分析的影响 |
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| 引用本文： | 陈舟,陈寿孙,张中华,倪以信.水力系统模型对电力系统暂态稳定分析的影响[J].清华大学学报(自然科学版),1996(7). |
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| 作者姓名： | 陈舟 陈寿孙 张中华 倪以信 |
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| 作者单位： | 清华大学电机工程与应用电子技术系，电力系统及大型发电设备安全控制和仿真国家实验室 |
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| 基金项目： | 国家“攀登B”计划项目 |
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| 摘 要： | 导出了用于电力系统暂态稳定分析的水轮机模型和计及弹性或刚性水击时的引水系统模型。通过对长江三峡电力系统在大扰动下过渡过程的分析，详细讨论了在不同水流惯性时间常数和管道反射时间常数条件下，水力系统的三种模型（简化模型、刚性水击模型和弹性水击模型）对电力系统暂态稳定分析的影响
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| 关 键 词： | 暂态稳定 水轮机模型 引水系统模型 |
Effect of hydraulic system models on power system transient stability analysis |
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| Chen Zhou,Chen Shousun,Zhang Zhonghua,Ni Yixin.Effect of hydraulic system models on power system transient stability analysis[J].Journal of Tsinghua University(Science and Technology),1996(7). |
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| Authors: | Chen Zhou Chen Shousun Zhang Zhonghua Ni Yixin |
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| Institution: | Chen Zhou,Chen Shousun,Zhang Zhonghua,Ni Yixin Department of Electrical Engineering,State Key Laboratory of Security Control and Simulation of Power Systems and Large Generation Equipments,Tsinghua University |
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| Abstract: | The dynamic models of hydraulic system used in power system transient stability analysis are presented in this paper. The dynamic characteristics of turbine and conduit are studied in detail. Different models taking elastic or rigid water hammer into consideration are established. Together with the conventional models of power system, the power system transient stability analytical software is improved. Using the updated software, the dynamic process of Three Gorges power station and the power system interconnected with it is analyzed under disturbance. The effect of different hydraulic system models in transient stability is compared and discussed. |
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| Keywords: | transient stability hydraulic turbine models conduit models |
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