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电网技术  2006 

电力市场中的水火电优化调度模型及其应用

, PP. 45-49

Keywords: 水火电优化调度,市场环境,最佳放水率,最佳出力

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Abstract:

分析了水电站如何根据市场需求、价格情况、生产成本函数及利润函数确定其最佳放水率的问题,然后根据水、火电的不同特点并综合考虑电力市场环境下水、火电收益函数和用户需求,以水力、火力发电资源在最经济利用的条件下满足顾客需求为目标建立了水火电优化调度模型,并推导出水火电联合系统最佳经济调度的必要条件,由此求出了一天中各时段的各水电厂最佳放水率(或最佳出力)和各火电厂最佳出力。最后举例说明了该模型在电力市场环境下的水火电优化调度中的应用,并证明了在该环境下通过水火电优化调度实现水电、火电和电网三方“共赢”的可行性。

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