Evaluating the impact of uncertain parameters in power system dynamic simulations

D.Wu; H.Xin; D.Gan

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Evaluating the impact of uncertain parameters in power system dynamic simulations

机译：在电力系统动态仿真中评估不确定参数的影响

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摘要

There are typically uncertain parameters in power system models. This paper presents a computational method for evaluating the effect of parameter uncertainty on the dynamic behaviors of power systems. The effect of parameter uncertainty is represented by system trajectory or performance bounds around nominal values. Based on the notion of optimal power flow with transient stability constraints, a set of nonlinear optimization problems is formulated to determine the upper and lower bounds of system trajectories. A successive linear programming approach is suggested to solve these nonlinear optimization problems. The proposed method is evaluated by several test systems. The results show that the proposed method is valid and potentially useful in quantifying the effect of parameter uncertainty in power system dynamic simulations.

机译：电力系统模型中通常存在不确定的参数。本文提出了一种计算方法，用于评估参数不确定性对电力系统动态行为的影响。参数不确定性的影响由系统轨迹或额定值周围的性能范围表示。基于具有暂态稳定约束的最佳潮流概念，制定了一组非线性优化问题来确定系统轨迹的上下边界。建议采用连续线性规划方法来解决这些非线性优化问题。所提出的方法由几个测试系统进行评估。结果表明，该方法是有效的，并且在量化电力系统动态仿真中参数不确定性的影响方面可能是有用的。

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来源
《Electric power systems research》 |2008年第11期|p.1965-1971|共7页
作者
D.Wu; H.Xin; D.Gan;
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作者单位

College of Electrical Engineering, Zhejiang University. Hangzhou, Zhejiang. China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类理论与分析;发电、发电厂;
关键词
parameter uncertainty; successive linear programming; power system dynamic simulations;

机译：参数不确定性;连续线性规划;电力系统动态仿真;

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机译：不确定参数动力系统的非线性控制技术

Evaluating the impact of uncertain parameters in power system dynamic simulations

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