Research on an optimal operation model for cascade pumping stations based on simulations

被引:1
|
作者
Zheng, Xinrong [1 ,2 ]
Gao, Zhanyi [2 ,4 ]
Yang, Peiling [1 ]
Chen, Mengting [3 ]
机构
[1] China Agr Univ, Coll Water Resources & Civil Engn, Beijing, Peoples R China
[2] China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycles River, Beijing, Peoples R China
[3] Guangdong Res Inst Water Resources & Hydropower, Guangzhou, Guangdong, Peoples R China
[4] China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycles River, Beijing 100038, Peoples R China
关键词
cascade pumping stations; flow balance; optimal operation; pumping irrigation district; simulation; pompage district d'irrigation; stations de pompage en cascade; exploitation optimale; bilan d'ecoulement; OPTIMIZATION; PROGRAM;
D O I
10.1002/ird.2944
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Cascade pumping stations (CPS) consume a large amount of energy every year in lifting districts. To obtain a reasonable and feasible operation scheme for CPS, this paper proposes an optimal operation model for CPS based on simulations. A one-dimensional unsteady flow model of open canals was coupled with the optimal operation model of CPS, and an energy-dominated optimization was proposed with the water level of the inlet pool as the coordinated variable. The optimization model was solved by using the catch-up method and the nondominated sorted genetic algorithm II (NSGA-II). The optimal operation method was validated and implemented in the first-stage and second-stage pumping stations of the Zuncun Irrigation Project by lifting water from the Yellow River in Shanxi province. The results showed that the proposed optimization model can reduce the energy consumption of the CPS by 4% compared with the actual operation. In addition, the optimal operation model of the CPS coupled with simulation can realize the dynamic balance of flow by stabilizing the inlet pool level to operate within a safe range. The energy consumption of the CPS can be reduced by keeping the water level of the intake pool as high a level as possible. Les stations de pompage en Cascade (SPC) consomment une grande quantite d'energie chaque annee dans les quartiers de l'elevation d'eau. Pour obtenir un schema d'exploitation raisonnable et realisable pour les SPC, cet article propose un modele d'exploitation optimal pour les SPC base sur des simulations. Un modele unidimensionnel d'ecoulement instable des canaux ouverts a ete couple au modele d'exploitation optimal des SPC, et une optimisation a dominante energetique a ete proposee avec le niveau d'eau du petit reservoir de prise d'eau comme variable coordonnee. Le modele d'optimisation a ete resolu en utilisant la methode de rattrapage et l'algorithme-II genetique de trie non domine (NSGA-II). La methode d'exploitation optimale a ete validee et mise en oe uvre dans les stations de pompage de premiere et deuxieme etapes du projet d'irrigation de ZunCun par l'elevation d'eau du fleuve jaune dans la Province de Shanxi. Les resultats ont montre que le modele d'optimisation propose peut reduire la consommation d'energie des SPC de 4% par rapport a l'exploitation reelle. De plus, le modele d'exploitation optimale des SPC couple a la simulation peut realiser l'equilibre dynamique de l'ecoulement en stabilisant le niveau du petit reservoir de prise d'eau pour fonctionner dans une limite sure. La consommation d'energie des SPC peut etre reduite en maintenant le niveau d'eau du petit reservoir de prise d'eau a un niveau aussi eleve que possible.
引用
收藏
页码:1344 / 1357
页数:14
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