Article(id=1223202681578176555, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230246, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1677081600000, receivedDateStr=2023-02-23, revisedDate=1680537600000, revisedDateStr=2023-04-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563845294, onlineDateStr=2026-01-28, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563845294, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563845294, creator=13701087609, updateTime=1769563845294, updator=13701087609, issue=Issue{id=1223202678788965355, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='12', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769563844630, creator=13701087609, updateTime=1769563913308, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223202966899901286, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223202966899901287, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=190, endPage=194, ext={EN=ArticleExt(id=1223202683159429184, articleId=1223202681578176555, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Influence of Mixed Arrangement of Variable-constant Speed Reversible Units on Load Rejection Transition Process, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

At present, the issue on the influence of mixed arrangement of variable and constant speed units on the load rejection transition process under the complex water delivery system with multi-units sharing multi-tunnels is scarce. Based on the transient flow theory of one-dimensional pipeline, this paper established the mathematic model of hydraulic transition process of variable-constant speed pumped storage units that four units share two tunnels in the diversion system and one tunnel in the tailrace system by using the characteristic method, and discussed the influence of the mixed arrangement of variable and constant speed units on regulation guarantee parameters under the load rejection condition by combining with practical engineering examples. The results show that regulation guarantee parameters during the load rejection transition process under the layout of two variable speed units sharing one diversion hole are safer than those under the layout of variable speed units sharing different diversion holes in the region with higher power generation efficiency.

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目前尚缺少较复杂的多洞多机输水系统下变-定速机组混合式布置对甩负荷过渡过程影响的研究。基于一维管道瞬变流理论,采用特征线法建立了“引水两洞四机、尾水四机一洞”的变-定速抽水蓄能机组水力过渡过程数学模型,并结合实际工程算例探讨了甩负荷工况下变-定速机组混合式布置对调节保证参数的影响。结果表明,相比于变速机组分布于不同引水主洞的布置方案,两台变速机组布置于同一引水主洞方案下甩负荷过渡过程中的调节保证参数在发电效率较高区内更为安全。

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陈胜(1987-),男,博士、副教授,研究方向为水电站及泵站水力学,E-mail:
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胡超(1999-),男,硕士研究生,研究方向为水电站及泵站水力学,E-mail:

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胡超(1999-),男,硕士研究生,研究方向为水电站及泵站水力学,E-mail:

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胡超(1999-),男,硕士研究生,研究方向为水电站及泵站水力学,E-mail:

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变-定速抽水蓄能机组混合式布置对甩负荷过渡过程的影响
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胡超 1 , 陈胜 1 , 柏家串 2 , 宫亚茹 1 , 张健 1
水电能源科学 | 机电与控制工程 2023,41(12): 190-194
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水电能源科学 | 机电与控制工程 2023, 41(12): 190-194
变-定速抽水蓄能机组混合式布置对甩负荷过渡过程的影响
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胡超1 , 陈胜1 , 柏家串2, 宫亚茹1, 张健1
作者信息
  • 1.河海大学水利水电学院,江苏 南京 210098
  • 2.昆山市水务工程质量与安全监督站,江苏 苏州 215300
  • 胡超(1999-),男,硕士研究生,研究方向为水电站及泵站水力学,E-mail:

通讯作者:

陈胜(1987-),男,博士、副教授,研究方向为水电站及泵站水力学,E-mail:
Influence of Mixed Arrangement of Variable-constant Speed Reversible Units on Load Rejection Transition Process
Chao HU1 , Sheng CHEN1 , Jia-chuan BAI2, Ya-ru GONG1, Jian ZHANG1
Affiliations
  • 1.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
  • 2.Kunshan Water Engineering Quality and Safety Supervision Station, Suzhou 215300, China
出版时间: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20230246
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目前尚缺少较复杂的多洞多机输水系统下变-定速机组混合式布置对甩负荷过渡过程影响的研究。基于一维管道瞬变流理论,采用特征线法建立了“引水两洞四机、尾水四机一洞”的变-定速抽水蓄能机组水力过渡过程数学模型,并结合实际工程算例探讨了甩负荷工况下变-定速机组混合式布置对调节保证参数的影响。结果表明,相比于变速机组分布于不同引水主洞的布置方案,两台变速机组布置于同一引水主洞方案下甩负荷过渡过程中的调节保证参数在发电效率较高区内更为安全。

可变速抽水蓄能机组  /  混合式布置  /  甩负荷过渡过程  /  发电效率  /  调节保证参数

At present, the issue on the influence of mixed arrangement of variable and constant speed units on the load rejection transition process under the complex water delivery system with multi-units sharing multi-tunnels is scarce. Based on the transient flow theory of one-dimensional pipeline, this paper established the mathematic model of hydraulic transition process of variable-constant speed pumped storage units that four units share two tunnels in the diversion system and one tunnel in the tailrace system by using the characteristic method, and discussed the influence of the mixed arrangement of variable and constant speed units on regulation guarantee parameters under the load rejection condition by combining with practical engineering examples. The results show that regulation guarantee parameters during the load rejection transition process under the layout of two variable speed units sharing one diversion hole are safer than those under the layout of variable speed units sharing different diversion holes in the region with higher power generation efficiency.

variable speed pumped-storage unit  /  mixed arrangement  /  load rejection transition process  /  power generation efficiency  /  regulation guarantee parameter
胡超, 陈胜, 柏家串, 宫亚茹, 张健. 变-定速抽水蓄能机组混合式布置对甩负荷过渡过程的影响. 水电能源科学, 2023 , 41 (12) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20230246
Chao HU, Sheng CHEN, Jia-chuan BAI, Ya-ru GONG, Jian ZHANG. Influence of Mixed Arrangement of Variable-constant Speed Reversible Units on Load Rejection Transition Process[J]. Water Resources and Power, 2023 , 41 (12) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20230246
  • 国家自然科学基金项目(51879087; 51839008)
2023年第41卷第12期
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doi: 10.20040/j.cnki.1000-7709.2023.20230246
  • 接收时间:2023-02-23
  • 首发时间:2026-01-28
  • 出版时间:2023-12-25
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  • 收稿日期:2023-02-23
  • 修回日期:2023-04-04
基金
国家自然科学基金项目(51879087; 51839008)
作者信息
    1.河海大学水利水电学院,江苏 南京 210098
    2.昆山市水务工程质量与安全监督站,江苏 苏州 215300

通讯作者:

陈胜(1987-),男,博士、副教授,研究方向为水电站及泵站水力学,E-mail:
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2种不同金属材料的力学参数

Family
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Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
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占总种数比例
Percentage of total
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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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