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电网技术  2011 

面向低碳发展的燃煤机组有序调停模型和算法

, PP. 33-39

Keywords: 有序调停燃煤机组,动态调停算法,节能减排,自适应目标,低碳电力

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Abstract:

节能发电调度是我国实现可持续发展、应对全球气候变化的重要举措。作者研究了通过燃煤机组有序调停实现中短期范围内节能调度、降低碳排放的方法。以燃煤机组占绝大比例的浙江电网为例,提出了面向低碳发展的燃煤机组有序调停模型,建立了具有自适应特性的目标函数,较好地协调了“三公调度”和系统煤耗最小2个目标。为求解这一非凸、非线性并含有分式约束的混合整数规划问题,文章提出了动态调停算法,该算法根据自适应目标函数的识别,动态选择机组进行调停;基于所提出的模型能自适应地使目标函数为最优的特点,还提出了基于外点法的单机组调停方法。该方法首先对机组进行预调停,如果可行,则对于单机组而言达到最优,否则调整机组的启停方式来满足约束条件使其可行。最后通过浙江省实际数据验证了本文方法的有效性,计算了降低煤耗、CO2和SO2减排的效益。

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