| 分时电价下水电站群短期优化调度模型研究 |
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| 引用本文： | 李承军,余昕卉,程淑,凌世河,张子平,蒋丹松. 分时电价下水电站群短期优化调度模型研究[J]. 水利水电技术, 2005, 36(7): 116-119 |
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| 作者姓名： | 李承军 余昕卉 程淑 凌世河 张子平 蒋丹松 |
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| 作者单位： | 华中科技大学,水电与数字化工程学院,湖北,武汉,430074;湖北清江水电开发有限责任公司,梯调中心,湖北,宜昌,443000 |
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| 摘 要： | 研究在分时电价制度下水电系统短期优化调度问题，建立了优化调度数学模型。采用变分原理，导出其最优性条件，给出了适于梯级水电系统的最优性条件的具体形式。通过分析水电站水价的估计式，得到了具有普遍适用性的、形式统一的最优性条件。特例分析说明所提模型具有广泛的适用性。
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| 关 键 词： | 分时电价 水电站群 短期调度 变分 最优性条件 |
| 文章编号： | 1000-0860(2005)07-0116-04 |
| 收稿时间： | 2005-04-20 |
| 修稿时间： | 2005-04-20 |
Model study on short-term scheduling for hydropower system with time-varying prices |
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| LI Cheng-jun,YU Xin-hui,CHENG Shu,LING Shi-he,ZHANG Zi-ping,JIANG Dan-song. Model study on short-term scheduling for hydropower system with time-varying prices[J]. Water Resources and Hydropower Engineering, 2005, 36(7): 116-119 |
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| Authors: | LI Cheng-jun YU Xin-hui CHENG Shu LING Shi-he ZHANG Zi-ping JIANG Dan-song |
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| Abstract: | A general short-term scheduling model for a purely hydropewer system with time-varying prices is presented. Using the calculus of variations method, the optimal conditions of the model are deduced. A special optimal condition form for a cascade system is given. By introducing average electricity prices to analyze the water rate, a uniform formulation for the optimal conditions is obtained. Case studies show the correctness of the result and the broad suitability of the model. |
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| Keywords: | time-varying electricity price hydropower plant group short-term scheduling calculus of variations optimal condition |
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