| 一种多时间尺度电力系统奇异摄动模型的推导 |
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| 引用本文： | 陈勇.一种多时间尺度电力系统奇异摄动模型的推导[J].广东电力,2006,19(2):9-12. |
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| 作者姓名： | 陈勇 |
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| 作者单位： | 广东省电力学校,广州,510520 |
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| 摘 要： | 由于电力系统是一个多时间尺度的高阶非线性系统，其稳定性分析就变得异常复杂。为了提高稳定计算的效率．研究电力系统的多时间尺度动态模型及其降阶是非常必要的，为此，以电力系统物理电路为基础．导出了一个计算快动态和慢动态的电力系统奇异摄动模型。利用系统化的降阶方法，对电力系统模型进行降阶，并通过忽略快动态和固定慢动态，得出一个简化的、符合传统电力系统储备结构的电力系统模型，这对理解系统失稳机制具有重要意义。
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| 关 键 词： | 电力系统奇异摄动模型 多时间尺度电力系统 模型降阶 稳定性 |
| 文章编号： | 1007-290X（2006）02-0009-04 |
| 收稿时间： | 2005-10-26 |
| 修稿时间： | 2005-10-26 |
Illation of singular perturbation modeling of multi-time scale power systems |
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| CHEN Yong.Illation of singular perturbation modeling of multi-time scale power systems[J].Guangdong Electric Power,2006,19(2):9-12. |
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| Authors: | CHEN Yong |
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| Affiliation: | Electric Power School of Guangdong, Guangzhou 510520, China |
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| Abstract: | Power system stability analysis is extremely complex duc to its multi-time scale nature, high dimcnsionality and non-linearity. For improving the efficiency of power system stability analysis, it is necessary to study multi-time scale dynamic models of power systems and relevant model reduction. In this paper, a singular perturbation model incorporating fast and slow dynamics is derived based on component equations of power systems. The systematical reduction method is introduced to obtain reduced model of power system, and the simplified power system model obtained by neglecting fast dynamics and fixing slow dynamics corresponds to traditional power system model reserving structure, which is of sharp significance to the understanding of system destabilization mechanism, |
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| Keywords: | singular perturbation modeling of power system multi-time scale power system model reduetion stability |
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