板桥水库电站增效扩容改造及方案评价
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摘要
以板桥水库为研究对象,采用模比系数差积曲线、状态转移概率等方法分析1974-2011年板桥水库的年内及年际径流特征。采用动态规划法,并以发电量最大为目标函数进行优化调度;采用基于层次分析的模糊综合评价法对拟定方案进行评价,确定板桥水库电站的增效扩容最优方案。结果表明:经增效扩容改造,板桥水库多年平均发电量增加为800.09×10~4k W·h,经济效益为62.23×10~4元/a,水资源利用率及发电效益均得到提升,为水电站增效扩容的改造设计提供理论依据。
The annual and inter-annual runoff characteristics of Banqiao Reservoir from 1974 to 2011 were analyzed by means of modulus ratio coefficient curve and state transition probability. The dynamic programming method is used to optimize the operation with the maximum power generation function as the objective function,and the fuzzy comprehensive evaluation based on analytical hierarchy process( AHP)is used to evaluate the proposed scheme and determine the best solution of efficiency-improving and capacity-expanding transformation of the Banqiao reservoir power station. The results show that the average annual generating capacity of Banqiao Reservoir increased to 8. 009 million k W · h and the economic benefit reached 622,300 yuan per year,and both the water resources utilization efficiency and power generation efficiency improved. The scheme provides a theoretical basis for the design of hydropower expansion.
The annual and inter-annual runoff characteristics of Banqiao Reservoir from 1974 to 2011 were analyzed by means of modulus ratio coefficient curve and state transition probability. The dynamic programming method is used to optimize the operation with the maximum power generation function as the objective function,and the fuzzy comprehensive evaluation based on analytical hierarchy process( AHP)is used to evaluate the proposed scheme and determine the best solution of efficiency-improving and capacity-expanding transformation of the Banqiao reservoir power station. The results show that the average annual generating capacity of Banqiao Reservoir increased to 8. 009 million k W · h and the economic benefit reached 622,300 yuan per year,and both the water resources utilization efficiency and power generation efficiency improved. The scheme provides a theoretical basis for the design of hydropower expansion.
引文
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[5]Castelletti A,Galelli S,Restelli M,et al.Tree‐based reinforcement learning for optimal water reservoir operation[J].Water Resources Research,2010,46(9):1-19.
[6]涂启玉,梅亚东.遗传算法在水库(群)优化调度研究中的应用综述[J].水电自动化与大坝监测,2008,32(1):16-18+29.
[7]陈立华,梅亚东,杨娜.自适应多策略粒子群算法在水库群优化调度中的应用[J].水力发电学报,2010,29(2):139-144.
[8]郭旭宁,胡铁松,黄兵,等.基于模拟-优化模式的供水水库群联合调度规则研究[J].水利学报,2011,42(6):705-712.
[9]郭生练,陈炯宏,刘攀,等.水库群联合优化调度研究进展与展望[J].水科学进展,2010,21(4):496-503.
[10]Szemis J M,Maier H R,Dandy G C.A framework for using ant colony optimization to schedule environmental flow management alternatives for rivers,wetlands,and floodplains[J].Water Resources Research,2012,48(8):1-21.
[11]Zecchin A C,Simpson A R,Maier H R,et al.Improved understanding of the searching behavior of ant colony optimization algorithms applied to the water distribution design problem[J].Water Resources Research,2012,48(9):1-16.
[12]谢季坚,刘承平.模糊数学方法及其应用[M].武汉:华中科技大学出版社,2006.
[13]乔亮,钱会,高盼盼.黑河金盆水库入库径流水文特征分析[J].安徽农业科学,2015,43(5):190-191.
[14]芮孝芳.水文学原理[M].北京:中国水利水电出版社,2004.
[15]万思成,张建云,王国庆,等.漳河上游径流变化特性分析[J].水资源与水工程学报,2015,26(6):7-11+18.
[16]姜艳君,贾纯刚.辽源水文站年径流长短系列代表性分析[J].吉林水利,2011,29(5):52-53.
[17]张少文,张学成,王玲,等.黄河天然年径流长期丰枯状态变化特性研究[J].人民黄河,2005,27(5):9-10+46.