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《Journal of Hydroelectric Engineering》 2016-01
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Derivation of staged operation rules for hydropower stations using inflow classification strategy

LIANG Zhiming;WAN Biao;CHEN Senlin;AI Xueshan;MAO Zhonghua;XIAO Yao;State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University;Hydropower Plant of Tianshengqiao-I Hydropower Development Co.Ltd;College of Mathematics and Statistics, Central China Normal University;  
In the optimal operation of hydropower stations, an optimal decision obtained by deterministic optimization for a certain period is influenced by the inflow in the adjacent periods. Due to the instability of inflow, the operation rules for some periods often become extremely complicated, resulting in a difficulty in rule derivation. To solve this problem, this paper presents a new idea of extracting staged operation rules using explicit mechanism and a practical method that divides the scheduling period into two parts, a stable period and a transition period, according to the rule patterns throughout the scheduling period, and then adopts different method of rule derivation for each period. For the transition period, we introduced a strategy of period-by-period inflow classification for an effective division of the upper and lower scheduling lines obtained by optimal decision, based on the inflow characteristics. To verify the robustness of this method, a case study was made for the Tianshengqiao-I hydropower station, and results show that the method is effective and advantageous in derivation of operation rules.
【Fund】: 国家自然科学基金(51479141);; 国家高技术研究发展计划(“863”计划)项目(2013BAA02B01)
【CateGory Index】: TV737
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