Guaranteed stability in optimal power generation dispatching under uncertainty
Guaranteed stability in optimal power generation dispatching under uncertainty
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DOI：
10.1109/tpwrs.2012.2207970
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发表时间：
2013-05
影响因子：
6.6
通讯作者：
W. Grote;Darya Kastsian;Martin Monnigmann
中科院分区：
文献类型：
--
作者：
W. Grote;Darya Kastsian;Martin Monnigmann
发电和供电系统的稳定性和成本最优性不能相互独立考虑。简单的例子表明，不考虑稳定性的成本优化可能导致运行模式不稳定，而经济上是最优的。通过将分岔理论与非线性优化理论相结合，证明了稳定性、鲁棒性和最优性可以系统地同时考虑。从本质上讲，所提出的方法在优化变量空间中使最优运行点与运行边界或稳定性边界之间有一个后退距离，其中分岔理论用于描述非线性稳定性边界。
Stability and cost optimality of power generation and supply systems must not be considered independently from one another. Simple examples show that optimizing cost without considering stability may result in modes of operation that, while economically optimal, are unstable. We demonstrate that stability, robustness, and optimality can be considered systematically and simultaneously by combining bifurcation theory and nonlinear optimization. Essentially, the proposed method enforces a backoff distance between the optimal point of operation and operational or stability boundaries in the space of the optimization variables, where bifurcation theory is used to describe nonlinear stability boundaries.