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机组组合问题的两层优化研究 被引量:3

Bi-level programming research on unit commitment
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摘要 根据两层规划理论,提出网络约束机组组合的二层优化模型和算法。上层是以各子系统总成本最小为目标,考虑网络约束的有功优化潮流;下层由若干无网络约束的发电子系统构成,子系统由上层决定其发电任务,以此为依据决策机组的启、停状态。两层问题依据下层各子系统提供的边际信息交替求解,当边际信息无变化时便完成了机组组合。算例分析表明该方法对解决网络制约的机组启、停决策问题是有效的。 A bi-level decision-making method for the network-constrained unit commitment(UC) problem was proposed.The upper level with the objective to minimize the total cost of subsystems solves the optimal power flow problems including network constraints and determines the generations of subsystems in the lower level.A subsystem is composed of generators in one system without network constraints and minimizes its generation cost to give the units states.The two levels are solved alternatively according to the marginal information of the lower level.Two study cases were analyzed to exhibit the effectiveness of the method presented.
出处 《山东大学学报(工学版)》 CAS 北大核心 2011年第3期167-172,共6页 Journal of Shandong University(Engineering Science)
关键词 电力系统 机组组合 网络约束 两层规划 power system unit commitment network constraints bi-level programming
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参考文献15

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二级参考文献12

共引文献38

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