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电网技术  2014 

兼顾效率与公平的用电市场竞价机制研究

DOI: 10.13335/j.1000-3673.pst.2014.03.021, PP. 681-686

Keywords: 效率,公平,用电侧,机制设计,竞价,指标

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Abstract:

鉴于电力供求集中度的不对称性以及我国电力能源供不应求的局面,将发电侧与用电侧放在同一市场内竞争可能导致生产者剩余远大于消费者剩余。在供需双方直接交易的情况下,将会有许多用户因电价过高而无电可用。由于用电侧市场直接关乎国计民生,因此迫切需要研究适用于我国电力市场改革的用电侧竞价机制。放弃了电力市场中“价高者得,价低者出局”这一传统结算方式,提出了一种兼顾效率与公平的用电侧市场竞价机制。这种机制按用户报价比例,并参考用户的意愿电量实现市场出清。基于此,提出了相应的数学模型。针对该非线性混合整数规划模型,通过引入辅助变量,实现了模型的线性化,从而能够采用成熟的数学商业软件高效求解。还提出了评价竞价机制公平性的相应指标。经算例验证,与传统竞价机制相比,文中的方法在牺牲较少效率的同时,确保了用电侧的公平性,同时能够抑制非理性的竞争。

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