A Domain Decomposition Approach to Solve Dynamic Optimal Power Flow Problems in Parallel
A Domain Decomposition Approach to Solve Dynamic Optimal Power Flow Problems in Parallel
复制标题
并行求解动态最优潮流问题的域分解方法
DOI:
10.1007/978-3-030-32157-4_4
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
̈and V. Heuveline
中科院分区:
文献类型:
--
作者:
N. Schween;P. Gerstner;N. Meyer-Hübner;V. Slednev;T. Leibfried;W. Fichtner;V. Bertsch;̈and V. Heuveline
We propose a parallel solver for linear systems of equations arising from the application of Primal Dual Interior Point methods to Dynamic Optimal Power Flow problems. Our solver is based on the Generalised Minimal Residual method in combination with an additive Schwarz domain decomposition method as preconditioner. This preconditioner exploits the structure of Dynamic Optimal Power Flow problems which, after linearization, is given as a matrix with large diagonal blocks and only a few off-diagonal elements. These elements correspond to intertemporal couplings due to ramping and energy storage constraints and are partially neglected in order to solve the problem in parallel. We test our method on a large-scale optimisation problem and show that a parallel speedup can be obtained.
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