山湖水库“一库两站”联合运行优化调度方法
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摘要
针对特殊干旱年山湖水库水资源优化调度问题,提出了单座年调节水库与补库泵站、调水泵站联合运行的"一库两站"系统水资源优化调度模型.模型以年内各阶段受水区缺水量平方和最小为目标函数,各阶段水库的供水量与外调水量为决策变量,水库年可供水量、调水泵站年提水量、库站联合运行调度准则为约束条件,采用动态规划逐次逼近法求解,获得了水库最优的供水量过程和弃水量过程、补库泵站最优的补水量过程以及调水泵站最优的提水量过程.结果表明:山湖水库"一库两站"系统水资源优化调度可将系统缺水量从16.0万m3减小至8.6万m3,而水库弃水量从84.1万m3减小至0,泵站补水量从2 190万m3减小至2 140万m3,外调水量从380万m3增加至390万m3.该成果可为采用类似"一库两站"系统供水灌区的运行管理提供借鉴和参考.
An optimization model was constructed for the joint operation of a reservoir and two pumping stations,one of which lifted water into the reservoir while the other lifted water out of it. The model was developed with the objective of minimizing the annual sum of squared deviation of target water quantity in each period,taking the quantities of water supplied by the reservoir and lifted out by the pumping station as two decision variables. Constraints included annual total quantity of water supply for reservoir,capacity of the water-transfer pumping station and joint operation rules of them. The system of Shanhu Reservoir and its two pumping stations was taken as an example which was solved by DPSAand the optimal water supply quantity,surplus water quantity,water supplement quantity and watertransfer quantity were achieved. The result shows that optimal operation of reservoir and pumping stations can decrease the water shortage from 1.6×105 m3 to 8.6×104 m3,let the pumping station operate under a stable condition and increase water-transfer quantity from 3.8×106 m3 to 3.9×106 m3. The result can be applied to the operation and management of irrigation area with similar water supply system.
An optimization model was constructed for the joint operation of a reservoir and two pumping stations,one of which lifted water into the reservoir while the other lifted water out of it. The model was developed with the objective of minimizing the annual sum of squared deviation of target water quantity in each period,taking the quantities of water supplied by the reservoir and lifted out by the pumping station as two decision variables. Constraints included annual total quantity of water supply for reservoir,capacity of the water-transfer pumping station and joint operation rules of them. The system of Shanhu Reservoir and its two pumping stations was taken as an example which was solved by DPSAand the optimal water supply quantity,surplus water quantity,water supplement quantity and watertransfer quantity were achieved. The result shows that optimal operation of reservoir and pumping stations can decrease the water shortage from 1.6×105 m3 to 8.6×104 m3,let the pumping station operate under a stable condition and increase water-transfer quantity from 3.8×106 m3 to 3.9×106 m3. The result can be applied to the operation and management of irrigation area with similar water supply system.
引文
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[11]黄显峰,钟婧玮,方国华,等.基于物元分析法的水资源管理现代化评价[J].水利水电科技进展,2017,37(3):22-28.HUANG Xianfeng,ZHONG Jingwei,FANG Guohua,et al. Evaluation on water resources management modernization based on matter element analysis[J]. Advances in science and technology of water resources,2017,37(3):22-28.(in Chinese)
[2] ASHRAFI SM,DARIANE AB. Coupled operating rules for optimal operation of multi-reservoir systems[J].Water resources management,2017,27:1-16.
[3] WAN Fang,YUAN Wenlin,ZHOU Jin. Derivation of trilevel programming model for multi-reservoir optimal operation in inter-basin transfer-diversion-supply project[J]. Water resources management,2017,31:479-494.
[4]李昱,彭勇,初京刚,等.复杂水库群共同供水任务分配问题研究[J].水利学报,2015(1):83-90.LI Yu,PENG Yong,CHU Jinggang,et al. Common tasks allocation problem of water supply for a complex multi-reservoir system[J]. Journal of hydraulic engineering,2015(1):83-90.(in Chinese)
[5]史振铜,程吉林,杨树滩,等.基于DPSA算法的“单库-单站”水资源优化调度方法研究[J].灌溉排水学报,2015,34(2):37-40.SHI Zhentong,CHENG Jilin,YANG Shutan,et al. Research on methods of optimal water resources allocation for"single reservoir-single pump station"system using DPSA[J]. Journal of irrigation and drainage,2015,34(2):37-40.(in Chinese)
[6] GUO Xuning,HU Tiesong,WU Conglin,et al. Multiobjective optimization of the proposed multi-reservoir operating policy using improved NSPSO[J]. Water resources management,2013,27(7):2137-2153.
[7] QU Guodong,LOU Zhanghua. Application of particle swarm algorithm in the optimal allocation of regional water resources based on immune evolutionary algorithm[J]. Journal of Shanghai Jiaotong University(science),2013,18(5):634-640.
[8] ABDALLAH M,STAMM J. Optimizing multi-purpose reservoir operation using particle swarm intelligence[C]//Pawel Rowinski. Hydrodynamic and Mass Transport at Freshwater Aquatic Interfaces. 2016:209-220.
[9]侍翰生,程吉林,方红远,等.基于动态规划与模拟退火算法的河—湖—梯级泵站系统水资源优化配置研究[J].水利学报,2013,44(1):91-96.SHI Hansheng,CHENG Jilin,FANG Hongyuan,et al.Research on optimal water resources allocation of riverlake-pumping stations system by dynamic programming and simulated annealing approach[J]. Journal of hydraulic engineering,2013,44(1):91-96.(in Chinese)
[10]李想,魏加华,姚晨晨,等.基于并行动态规划的水库群优化[J].清华大学学报(自然科学版),2013(9):1235-1240.LI Xiang,WEI Jiahua,YAO Chenchen,et al. Parallel dynamic programming for multi-reservoir system optimization[J]. Journal of Tsinghua University(science and technology),2013(9):1235-1240.(in Chinese)
[11]黄显峰,钟婧玮,方国华,等.基于物元分析法的水资源管理现代化评价[J].水利水电科技进展,2017,37(3):22-28.HUANG Xianfeng,ZHONG Jingwei,FANG Guohua,et al. Evaluation on water resources management modernization based on matter element analysis[J]. Advances in science and technology of water resources,2017,37(3):22-28.(in Chinese)