Article(id=1223190870657188635, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230083, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1673884800000, receivedDateStr=2023-01-17, revisedDate=1681401600000, revisedDateStr=2023-04-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561029351, onlineDateStr=2026-01-28, pubDate=1695571200000, pubDateStr=2023-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561029351, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561029351, creator=13701087609, updateTime=1769561029351, updator=13701087609, issue=Issue{id=1223190866320278179, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='9', 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=1769561028318, creator=13701087609, updateTime=1769562015483, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223195006870082478, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223195006870082479, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=172, endPage=174, ext={EN=ArticleExt(id=1223190871647044448, articleId=1223190870657188635, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Analysis and Treatment of Miloperation Fault for Turbine Segmented Shutdown Device, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

To analyze the causes of turbine segmented shutdown device miloperation for a hydropower station in Central Asia, the structure of mechanical hydraulic control system of governor and its principle were described, and oil line of mechanical hydraulic control system was analyzed. It found that after the operation of the emergency pressure distribution valve, the pressure oil velocity in pipe was too fast, so the pressure of the control chamber of the segment closing device was reduced and the hydro-generator speed was too high because of the long closing time of the servomotor. The oil intake port of the control pressure oil of the stage closing device can be moved from the main pressure oil supply pipe of the emergency pressure distribution valve to the energy storage tank of the governor system. The feasibility of the scheme was verified by test.

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为分析中亚某水电站水轮机分段关闭装置误投故障的原因,通过介绍调速器机械液压控制系统的结构及原理,并分析机械液压系统油路,发现事故配压阀动作后由于压力油供油管内流速过快,致使分段关闭装置的控制腔压力降低而误动,因接力器关闭时间过长导致水轮发电机组转速过高。提出将分段关闭装置控制压力油的取油口从事故配压阀主压力油供油管移至调速器系统储能罐上的方案,通过效果测试证明了该方案的可行性。

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李亚鸽(1987-),男,副高级工程师,研究方向为水利水电工程机电设备技术管理,E-mail:

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李亚鸽(1987-),男,副高级工程师,研究方向为水利水电工程机电设备技术管理,E-mail:

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李亚鸽(1987-),男,副高级工程师,研究方向为水利水电工程机电设备技术管理,E-mail:

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水轮机分段关闭装置误投故障分析与处理
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李亚鸽 1 , 杜瑞涛 1 , 赵伟俊 2 , 劳鹏飞 2
水电能源科学 | 机电与控制工程 2023,41(9): 172-174
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水电能源科学 | 机电与控制工程 2023, 41(9): 172-174
水轮机分段关闭装置误投故障分析与处理
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李亚鸽1 , 杜瑞涛1, 赵伟俊2, 劳鹏飞2
作者信息
  • 1.东方电气集团国际合作有限公司,四川 成都 611730
  • 2.武汉三联水电控制设备有限公司,湖北 武汉 430200
  • 李亚鸽(1987-),男,副高级工程师,研究方向为水利水电工程机电设备技术管理,E-mail:

Analysis and Treatment of Miloperation Fault for Turbine Segmented Shutdown Device
Ya-ge LI1 , Rui-tao DU1, Wei-jun ZHAO2, Peng-fei LAO2
Affiliations
  • 1.Dongfang Electric Group International Cooperation Co., Ltd., Chengdu 611730, China
  • 2.Wuhan Sanlian Hydropower Control Equipment Co., Ltd., Wuhan 430200, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20230083
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为分析中亚某水电站水轮机分段关闭装置误投故障的原因,通过介绍调速器机械液压控制系统的结构及原理,并分析机械液压系统油路,发现事故配压阀动作后由于压力油供油管内流速过快,致使分段关闭装置的控制腔压力降低而误动,因接力器关闭时间过长导致水轮发电机组转速过高。提出将分段关闭装置控制压力油的取油口从事故配压阀主压力油供油管移至调速器系统储能罐上的方案,通过效果测试证明了该方案的可行性。

机械液压系统  /  调速器  /  分段关闭装置  /  事故配压阀  /  误动

To analyze the causes of turbine segmented shutdown device miloperation for a hydropower station in Central Asia, the structure of mechanical hydraulic control system of governor and its principle were described, and oil line of mechanical hydraulic control system was analyzed. It found that after the operation of the emergency pressure distribution valve, the pressure oil velocity in pipe was too fast, so the pressure of the control chamber of the segment closing device was reduced and the hydro-generator speed was too high because of the long closing time of the servomotor. The oil intake port of the control pressure oil of the stage closing device can be moved from the main pressure oil supply pipe of the emergency pressure distribution valve to the energy storage tank of the governor system. The feasibility of the scheme was verified by test.

mechanical hydraulic system  /  governor  /  step-closure device  /  accident distributing valve  /  maloperation
李亚鸽, 杜瑞涛, 赵伟俊, 劳鹏飞. 水轮机分段关闭装置误投故障分析与处理. 水电能源科学, 2023 , 41 (9) : 172 -174 . DOI: 10.20040/j.cnki.1000-7709.2023.20230083
Ya-ge LI, Rui-tao DU, Wei-jun ZHAO, Peng-fei LAO. Analysis and Treatment of Miloperation Fault for Turbine Segmented Shutdown Device[J]. Water Resources and Power, 2023 , 41 (9) : 172 -174 . DOI: 10.20040/j.cnki.1000-7709.2023.20230083
  • 湖北省教育厅科学技术研究计划项目(B2018328)
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20230083
  • 接收时间:2023-01-17
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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  • 收稿日期:2023-01-17
  • 修回日期:2023-04-14
基金
湖北省教育厅科学技术研究计划项目(B2018328)
作者信息
    1.东方电气集团国际合作有限公司,四川 成都 611730
    2.武汉三联水电控制设备有限公司,湖北 武汉 430200
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2种不同金属材料的力学参数

Family
属数
Number of
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种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
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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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