Article(id=1223210595114144279, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221563, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659024000000, receivedDateStr=2022-07-29, revisedDate=1661443200000, revisedDateStr=2022-08-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1769565732028, onlineDateStr=2026-01-28, pubDate=1687622400000, pubDateStr=2023-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769565732028, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769565732028, creator=13701087609, updateTime=1769565732028, updator=13701087609, issue=Issue{id=1223210584024400210, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='6', 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=1769565729385, creator=13701087609, updateTime=1769593153259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223325608164348105, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223325608164348106, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=197, endPage=201, ext={EN=ArticleExt(id=1223210595441300018, articleId=1223210595114144279, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Internal Economic Operation of Large Hydropower Station Based on Load Optimal Distribution Table, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Dispatching operation of hydropower station is in face of the large capacity and large units, unit control new scheduling features such as irregular more limits and more complicated operation requirements. To aim at power station safe, stable and economic operation, a model of economic operation inside the station was established to realize optimal load distribution of hydropower station units under various operation conditions. The optimal output range of each unit under different head was analyzed. The optimal load distribution rule of the power station was studied, and the economic operation model of the station was established. Based on the economic operation model of the station, the optimal load distribution table was designed. The optimal load distribution result table of the power station under different loads, different heads, and different unit commitment was proposed to guide the real-time economic scheduling of the power station. Taking Hongjiadu station as an example, the results show that the model can reasonably arrange the start-stop sequence and number of units according to the real-time load instruction, and give real-time start-stop suggestions of units. It can obtain the optimal load distribution combination of the proposed unit under various working conditions, reduce the monthly average water consumption rate by 0.18%, reduce the adverse working conditions such as frequent start-stop and frequent crossing of the vibration zone by 9.5%, ensure the efficiency of the unit operation, and improve the economic benefits of the power station.

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针对水电站调度运行面临的大容量、大机组、机组不规则多限制区控制等新的调度特点和更为复杂的运行需求,以电站安全、稳定、经济运行为目标,建立站内经济运行模型,实现水电站在各运行工况下机组间负荷的最优分配。分析了不同水头下各机组的最优出力范围,研究了电站负荷优化分配规则,建立了站内经济运行模型。在站内经济运行模型的基础上设计负荷最优分配表,提出不同负荷、不同水头、不同开停机组合下,电站的负荷最优分配成果表,以指导电站站内经济运行实时调度。在洪家渡电站的应用表明,优化模型能根据实时负荷指令,合理安排机组启停次序、开机台数,并实时给出机组的启停机建议。能够获得各工况下机组的最优负荷分配组合,降低月平均耗水率0.18%,减少机组频繁启停、频繁穿越振动区等不利工况9.5%,保证机组高效运行,提高电站经济效益。

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闻昕(1987-),男,教授、硕导,研究方向为水利水电系统调度运行、水风光储多能互补、智慧水利,E-mail:
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高英(1978-),女,硕士、高级工程师,研究方向为梯级水电站水库调度,E-mail:

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高英(1978-),女,硕士、高级工程师,研究方向为梯级水电站水库调度,E-mail:

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高英(1978-),女,硕士、高级工程师,研究方向为梯级水电站水库调度,E-mail:

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基于负荷最优分配表的大型水电站站内经济运行研究
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高英 1 , 徐伟 1 , 王燕玲 2 , 闻昕 2
水电能源科学 | 机电与控制工程 2023,41(6): 197-201
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水电能源科学 | 机电与控制工程 2023, 41(6): 197-201
基于负荷最优分配表的大型水电站站内经济运行研究
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高英1 , 徐伟1, 王燕玲2, 闻昕2
作者信息
  • 1.贵州乌江水电开发有限责任公司水电站远程集控中心,贵州 贵阳 550002
  • 2.河海大学水利水电学院,江苏 南京 210024
  • 高英(1978-),女,硕士、高级工程师,研究方向为梯级水电站水库调度,E-mail:

通讯作者:

闻昕(1987-),男,教授、硕导,研究方向为水利水电系统调度运行、水风光储多能互补、智慧水利,E-mail:
Study on Internal Economic Operation of Large Hydropower Station Based on Load Optimal Distribution Table
Ying GAO1 , Wei XU1, Yan-ling WANG2, Xin WEN2
Affiliations
  • 1.Hydropower Station Remote Centralized Control Center of Guizhou Wujiang Hydropower Development, Guiyang 550002, China
  • 2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
出版时间: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221563
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针对水电站调度运行面临的大容量、大机组、机组不规则多限制区控制等新的调度特点和更为复杂的运行需求,以电站安全、稳定、经济运行为目标,建立站内经济运行模型,实现水电站在各运行工况下机组间负荷的最优分配。分析了不同水头下各机组的最优出力范围,研究了电站负荷优化分配规则,建立了站内经济运行模型。在站内经济运行模型的基础上设计负荷最优分配表,提出不同负荷、不同水头、不同开停机组合下,电站的负荷最优分配成果表,以指导电站站内经济运行实时调度。在洪家渡电站的应用表明,优化模型能根据实时负荷指令,合理安排机组启停次序、开机台数,并实时给出机组的启停机建议。能够获得各工况下机组的最优负荷分配组合,降低月平均耗水率0.18%,减少机组频繁启停、频繁穿越振动区等不利工况9.5%,保证机组高效运行,提高电站经济效益。

站内经济运行  /  实时调度  /  最优负荷分配  /  不利工况  /  并行动态规划

Dispatching operation of hydropower station is in face of the large capacity and large units, unit control new scheduling features such as irregular more limits and more complicated operation requirements. To aim at power station safe, stable and economic operation, a model of economic operation inside the station was established to realize optimal load distribution of hydropower station units under various operation conditions. The optimal output range of each unit under different head was analyzed. The optimal load distribution rule of the power station was studied, and the economic operation model of the station was established. Based on the economic operation model of the station, the optimal load distribution table was designed. The optimal load distribution result table of the power station under different loads, different heads, and different unit commitment was proposed to guide the real-time economic scheduling of the power station. Taking Hongjiadu station as an example, the results show that the model can reasonably arrange the start-stop sequence and number of units according to the real-time load instruction, and give real-time start-stop suggestions of units. It can obtain the optimal load distribution combination of the proposed unit under various working conditions, reduce the monthly average water consumption rate by 0.18%, reduce the adverse working conditions such as frequent start-stop and frequent crossing of the vibration zone by 9.5%, ensure the efficiency of the unit operation, and improve the economic benefits of the power station.

station economic operation  /  real time scheduling  /  optimal load distribution  /  adverse conditions  /  parallel dynamic programming
高英, 徐伟, 王燕玲, 闻昕. 基于负荷最优分配表的大型水电站站内经济运行研究. 水电能源科学, 2023 , 41 (6) : 197 -201 . DOI: 10.20040/j.cnki.1000-7709.2023.20221563
Ying GAO, Wei XU, Yan-ling WANG, Xin WEN. Study on Internal Economic Operation of Large Hydropower Station Based on Load Optimal Distribution Table[J]. Water Resources and Power, 2023 , 41 (6) : 197 -201 . DOI: 10.20040/j.cnki.1000-7709.2023.20221563
2023年第41卷第6期
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doi: 10.20040/j.cnki.1000-7709.2023.20221563
  • 接收时间:2022-07-29
  • 首发时间:2026-01-28
  • 出版时间:2023-06-25
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  • 收稿日期:2022-07-29
  • 修回日期:2022-08-26
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作者信息
    1.贵州乌江水电开发有限责任公司水电站远程集控中心,贵州 贵阳 550002
    2.河海大学水利水电学院,江苏 南京 210024

通讯作者:

闻昕(1987-),男,教授、硕导,研究方向为水利水电系统调度运行、水风光储多能互补、智慧水利,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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