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电网技术  2011 

考虑网损修正的日前市场交易竞价模型

, PP. 164-169

Keywords: 电力市场,日前交易,竞价,网损修正,功率分解,费用流守恒

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Abstract:

对于开放发电侧的电力市场,如果忽略输电损耗对竞价上网的影响,采用发电报价直接进行竞价,对发电商来说是不公平的。该文分析了电网功率的物理分布情况,给出了节点负荷和线路损耗与电源提供功率分量的解析表达式;通过功率分解可以求出电源在供电路径上输送的功率以及产生的损耗,然后以费用流守恒为原则,从电源节点开始计算电源在输电网络中各节点的电价,构建了电源的发电报价网损修正模型。而且论文还提出电源的报价应该以电厂为单位报价而不应该以机组为单位报价,并使用网损修正的电厂报价构造了日前市场交易模型。最后通过改进IEEE14节点系统的算例分析验证了本文提出方法的可行性和有效性。

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