Article(id=1223201262091485396, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230172, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1675958400000, receivedDateStr=2023-02-10, revisedDate=1678809600000, revisedDateStr=2023-03-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563506863, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563506863, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563506863, creator=13701087609, updateTime=1769563506863, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=75, endPage=79, ext={EN=ArticleExt(id=1223201265505648861, articleId=1223201262091485396, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Inter-station Flow Response in Short-term Operation of Jindong-Guandi Cascade Hydropower Stations, columnId=1222925283431272938, journalTitle=Water Resources and Power, columnName=HYDROLOGICAL FORECAST AND OPTIMAL SCHEDULING, runingTitle=null, highlight=null, articleAbstract=

This paper aims at the complex flow response relationship in the short-term joint operation of Jindong-Guandi cascade hydropower stations in Yalong River basin. In order to predict the inflow response process of the Guandi hydropower station, the random forest (RF) model and support vector regression (SVR) model were combined to mine the nonlinear relationship, and compared with the traditional lag-time model and the Muskingum model. On this basis, two simulation dispatching models were established to test the applicability of each model in the short-term operation of cascade hydropower stations. The result shows that the RF-SVR model has a higher fitting ability for the flow response relationship between hydropower stations, which can reduce the errors in the formulation of short-term dispatching plan, and effectively reduce the deviation of daily generation and the risk of water level violation. The research results can provide a reference for making short-term dispatching schemes of cascade power stations under complex hydraulic connections.

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针对雅砻江流域锦东—官地梯级电站在短期联合调度中流量响应关系复杂的问题,结合随机森林(RF)模型与支持向量回归(SVR)模型对其非线性关系进行挖掘,预测官地电站的入库流量响应过程,并与传统的滞时模型与马斯京根模型进行对比。在此基础上,建立了两种模拟调度模型以检验各模型在应用于梯级水电站短期调度时的适用性。结果表明,RF-SVR模型对于电站间流量响应关系具有更高的拟合能力,可减少短期调度计划制定的误差,能有效降低日发电量偏差与水位越限风险,研究成果可为复杂水力联系下的梯级电站短期调度方案制作提供参考。

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覃晖(1970-),男,教授、博导,研究方向为水电能源系统优化调度及风险分析与决策等,E-mail:
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李俊聪(1993-),男,硕士研究生,研究方向为水电能源系统优化调度与水利信息化,E-mail:

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李俊聪(1993-),男,硕士研究生,研究方向为水电能源系统优化调度与水利信息化,E-mail:

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李俊聪(1993-),男,硕士研究生,研究方向为水电能源系统优化调度与水利信息化,E-mail:

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锦东—官地梯级水电站短期调度中的电站间流量响应关系研究
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李俊聪 a, b , 张勇传 a, b , 覃晖 a, b , 方威 a, b , 姚佳洪 a, b , 黄靖玮 a, b
水电能源科学 | 水情测报与优化调度 2023,41(7): 75-79
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水电能源科学 | 水情测报与优化调度 2023, 41(7): 75-79
锦东—官地梯级水电站短期调度中的电站间流量响应关系研究
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李俊聪a, b , 张勇传a, b, 覃晖a, b , 方威a, b, 姚佳洪a, b, 黄靖玮a, b
作者信息
  • a.华中科技大学土木与水利工程学院,湖北 武汉 430074
  • b.华中科技大学数字流域科学与技术湖北省重点实验室,湖北 武汉 430074
  • 李俊聪(1993-),男,硕士研究生,研究方向为水电能源系统优化调度与水利信息化,E-mail:

通讯作者:

覃晖(1970-),男,教授、博导,研究方向为水电能源系统优化调度及风险分析与决策等,E-mail:
Study on Inter-station Flow Response in Short-term Operation of Jindong-Guandi Cascade Hydropower Stations
Jun-cong LIa, b , Yong-chuan ZHANGa, b, Hui QINa, b , Wei FANGa, b, Jia-hong YAOa, b, Jing-wei HUANGa, b
Affiliations
  • a.School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • b.Hubei Key Laboratory of Digital Valley Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
出版时间: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20230172
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针对雅砻江流域锦东—官地梯级电站在短期联合调度中流量响应关系复杂的问题,结合随机森林(RF)模型与支持向量回归(SVR)模型对其非线性关系进行挖掘,预测官地电站的入库流量响应过程,并与传统的滞时模型与马斯京根模型进行对比。在此基础上,建立了两种模拟调度模型以检验各模型在应用于梯级水电站短期调度时的适用性。结果表明,RF-SVR模型对于电站间流量响应关系具有更高的拟合能力,可减少短期调度计划制定的误差,能有效降低日发电量偏差与水位越限风险,研究成果可为复杂水力联系下的梯级电站短期调度方案制作提供参考。

电站间流量响应关系  /  水电站短期调度  /  随机森林  /  支持向量回归

This paper aims at the complex flow response relationship in the short-term joint operation of Jindong-Guandi cascade hydropower stations in Yalong River basin. In order to predict the inflow response process of the Guandi hydropower station, the random forest (RF) model and support vector regression (SVR) model were combined to mine the nonlinear relationship, and compared with the traditional lag-time model and the Muskingum model. On this basis, two simulation dispatching models were established to test the applicability of each model in the short-term operation of cascade hydropower stations. The result shows that the RF-SVR model has a higher fitting ability for the flow response relationship between hydropower stations, which can reduce the errors in the formulation of short-term dispatching plan, and effectively reduce the deviation of daily generation and the risk of water level violation. The research results can provide a reference for making short-term dispatching schemes of cascade power stations under complex hydraulic connections.

flow response between hydropower stations  /  short-term operation of hydropower station  /  random forest  /  support vector regression
李俊聪, 张勇传, 覃晖, 方威, 姚佳洪, 黄靖玮. 锦东—官地梯级水电站短期调度中的电站间流量响应关系研究. 水电能源科学, 2023 , 41 (7) : 75 -79 . DOI: 10.20040/j.cnki.1000-7709.2023.20230172
Jun-cong LI, Yong-chuan ZHANG, Hui QIN, Wei FANG, Jia-hong YAO, Jing-wei HUANG. Study on Inter-station Flow Response in Short-term Operation of Jindong-Guandi Cascade Hydropower Stations[J]. Water Resources and Power, 2023 , 41 (7) : 75 -79 . DOI: 10.20040/j.cnki.1000-7709.2023.20230172
  • 国家重点研发计划(2021YFC3200303)
  • 国家自然科学基金项目(51979113; 52039004)
2023年第41卷第7期
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doi: 10.20040/j.cnki.1000-7709.2023.20230172
  • 接收时间:2023-02-10
  • 首发时间:2026-01-28
  • 出版时间:2023-07-25
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  • 收稿日期:2023-02-10
  • 修回日期:2023-03-15
基金
国家重点研发计划(2021YFC3200303)
国家自然科学基金项目(51979113; 52039004)
作者信息
    a.华中科技大学土木与水利工程学院,湖北 武汉 430074
    b.华中科技大学数字流域科学与技术湖北省重点实验室,湖北 武汉 430074

通讯作者:

覃晖(1970-),男,教授、博导,研究方向为水电能源系统优化调度及风险分析与决策等,E-mail:
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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