Article(id=1223202690436551399, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20230362, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1678550400000, receivedDateStr=2023-03-12, revisedDate=1680451200000, revisedDateStr=2023-04-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563847406, onlineDateStr=2026-01-28, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563847406, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563847406, creator=13701087609, updateTime=1769563847406, 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=195, endPage=199, ext={EN=ArticleExt(id=1223202690793067274, articleId=1223202690436551399, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Analysis of Ultra-low Frequency Oscillation Mechanism of Hydraulic Turbine Governor Under Different Control Modes, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

With the transformation of the southwest power grid with a high proportion of hydropower into an UHV AC-DC network structure, ultra-low frequency oscillations have occurred in the power grid. According to the characteristics of the hydropower unit governor, a small disturbance model of the hydropower unit was established. The impact of various parameters of the hydropower unit governor on the system stability in primary frequency modulation was discussed by using the eigenvalue analysis method, and the power mode and the opening mode were compared. Finally, the impact of the opening mode and the power mode with AGC was studied. The results show that the parameter adjustable range of the opening mode is larger than that of the power mode, but it is more easily affected by AGC. This study lays a foundation for further research on suppression methods of ultra-low frequency oscillations.

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随着水电占比高的西南电网转变为特高压交直流联网结构,电网中出现了一些超低频振荡现象。针对水电机组调速器特性,建立水电机组小扰动模型,采用特征值分析法,讨论了水电机组调速器在一次调频中各个参数对系统稳定性的影响,对功率模式和开度模式进行对比,并分析了开度模式和功率模式与AGC配合的影响。结果表明,开度模式的参数可调范围大于功率模式,但更易受AGC的影响。该结果对深入研究超低频振荡的抑制方法奠定了基础。

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张健(1986-),男,高级工程师,研究方向为机电工程,E-mail:
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何胜明(1969-),男,正高级工程师,研究方向为机电工程,E-mail:

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何胜明(1969-),男,正高级工程师,研究方向为机电工程,E-mail:

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水轮机调速器不同控制模式对电网超低频振荡影响分析
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何胜明 1 , 张健 1 , 段贵金 1 , 杨光东 1 , 蔡卫江 2 , 李桂林 3
水电能源科学 | 机电与控制工程 2023,41(12): 195-199
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水电能源科学 | 机电与控制工程 2023, 41(12): 195-199
水轮机调速器不同控制模式对电网超低频振荡影响分析
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何胜明1 , 张健1 , 段贵金1, 杨光东1, 蔡卫江2, 李桂林3
作者信息
  • 1.雅砻江流域水电开发有限公司,四川 成都 610051
  • 2.南京南瑞水利水电科技有限公司,江苏 南京 211106
  • 3.河海大学能源与电气学院,江苏 南京 211100
  • 何胜明(1969-),男,正高级工程师,研究方向为机电工程,E-mail:

通讯作者:

张健(1986-),男,高级工程师,研究方向为机电工程,E-mail:
Analysis of Ultra-low Frequency Oscillation Mechanism of Hydraulic Turbine Governor Under Different Control Modes
Sheng-ming HE1 , Jian ZHANG1 , Gui-jin DUAN1, Guang-dong YANG1, Wei-jiang CAI2, Gui-lin LI3
Affiliations
  • 1.Yalong River Hydropower Development Company, Ltd., Chengdu 610051, China
  • 2.NARI Group Co., Ltd., Nanjing 211106, China
  • 3.College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China
出版时间: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20230362
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随着水电占比高的西南电网转变为特高压交直流联网结构,电网中出现了一些超低频振荡现象。针对水电机组调速器特性,建立水电机组小扰动模型,采用特征值分析法,讨论了水电机组调速器在一次调频中各个参数对系统稳定性的影响,对功率模式和开度模式进行对比,并分析了开度模式和功率模式与AGC配合的影响。结果表明,开度模式的参数可调范围大于功率模式,但更易受AGC的影响。该结果对深入研究超低频振荡的抑制方法奠定了基础。

西南电网  /  水轮机调速器  /  超低频振荡  /  一次调频  /  AGC

With the transformation of the southwest power grid with a high proportion of hydropower into an UHV AC-DC network structure, ultra-low frequency oscillations have occurred in the power grid. According to the characteristics of the hydropower unit governor, a small disturbance model of the hydropower unit was established. The impact of various parameters of the hydropower unit governor on the system stability in primary frequency modulation was discussed by using the eigenvalue analysis method, and the power mode and the opening mode were compared. Finally, the impact of the opening mode and the power mode with AGC was studied. The results show that the parameter adjustable range of the opening mode is larger than that of the power mode, but it is more easily affected by AGC. This study lays a foundation for further research on suppression methods of ultra-low frequency oscillations.

Southwest China Power Grid  /  water turbine governor  /  ultra-low frequency oscillation  /  primary frequency modulation  /  AGC
何胜明, 张健, 段贵金, 杨光东, 蔡卫江, 李桂林. 水轮机调速器不同控制模式对电网超低频振荡影响分析. 水电能源科学, 2023 , 41 (12) : 195 -199 . DOI: 10.20040/j.cnki.1000-7709.2023.20230362
Sheng-ming HE, Jian ZHANG, Gui-jin DUAN, Guang-dong YANG, Wei-jiang CAI, Gui-lin LI. Analysis of Ultra-low Frequency Oscillation Mechanism of Hydraulic Turbine Governor Under Different Control Modes[J]. Water Resources and Power, 2023 , 41 (12) : 195 -199 . DOI: 10.20040/j.cnki.1000-7709.2023.20230362
  • 中国博士后科学基金项目(2022M711017)
2023年第41卷第12期
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doi: 10.20040/j.cnki.1000-7709.2023.20230362
  • 接收时间:2023-03-12
  • 首发时间:2026-01-28
  • 出版时间:2023-12-25
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  • 收稿日期:2023-03-12
  • 修回日期:2023-04-03
基金
中国博士后科学基金项目(2022M711017)
作者信息
    1.雅砻江流域水电开发有限公司,四川 成都 610051
    2.南京南瑞水利水电科技有限公司,江苏 南京 211106
    3.河海大学能源与电气学院,江苏 南京 211100

通讯作者:

张健(1986-),男,高级工程师,研究方向为机电工程,E-mail:
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2种不同金属材料的力学参数

Family
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种数
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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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