Article(id=1223278140819116752, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222513, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669737600000, receivedDateStr=2022-11-30, revisedDate=1672675200000, revisedDateStr=2023-01-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1769581836180, onlineDateStr=2026-01-28, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769581836180, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769581836180, creator=13701087609, updateTime=1769581836180, updator=13701087609, issue=Issue{id=1223278131956551924, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='10', 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=1769581834067, creator=13701087609, updateTime=1769584342407, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223288652869030422, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223288652869030423, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223278131956551924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=190, endPage=194, ext={EN=ArticleExt(id=1223278141100135148, articleId=1223278140819116752, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Analysis of Influence of Dead Zone of Regulating System on Dynamic Performance of Primary Frequency Modulation, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The primary frequency modulation function of the hydropower unit plays an increasingly important role in maintaining the safe and stable operation of the power grid, and it is necessary to ensure that the units integrated into the power grid have good primary frequency modulation performance. The influence of various dead zone nonlinear factors in the hydraulic turbine adjustment system on the dynamic performance of primary frequency modulation cannot be ignored. The nonlinearity of the dead zone in all links of the adjustment system is comprehensively analyzed. Based on the established high-precision primary frequency modulation model of hydropower units, the influence of frequency dead zone, openness dead zone, power dead zone and dead zone of the follow-up system on the performance of the primary frequency modulation response performance of large and small frequency difference is explored, and it is emphasized that the next frequency modulation inaction of small disturbances may be related to the dead zone of the follow-up system, which provides important theoretical guidance for the improvement and optimization of the primary frequency modulation function of the hydropower unit.

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水电机组一次调频功能对维持电网安全稳定运行承担日益重要的作用,需保证并入电网的机组具备良好的一次调频性能。水轮机调节系统存在的各类死区非线性因素对一次调频动态性能的影响不可忽略。全面分析了调节系统各环节存在的死区非线性,基于建立的高准确性的水电机组一次调频模型,探究了在大、小频差下频率死区、开度死区、功率死区、随动系统死区等对一次调频响应性能的影响,着重揭示了小扰动下一次调频不动作或与随动系统死区有关,为水电机组一次调频功能改善与优化提供了重要的理论指导。

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程远楚(1962-),男,教授、博导,研究方向为水电机组自动控制,E-mail:
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魏加达(1996-),男,硕士,研究方向为自动装置诊断分析,E-mail:

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魏加达(1996-),男,硕士,研究方向为自动装置诊断分析,E-mail:

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魏加达(1996-),男,硕士,研究方向为自动装置诊断分析,E-mail:

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调节系统死区对一次调频动态性能的影响分析
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魏加达 1, 2 , 赵训新 1, 2 , 莫凡 1, 2 , 程远楚 3 , 阳瑞霖 1, 2
水电能源科学 | 机电与控制工程 2023,41(10): 190-194
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水电能源科学 | 机电与控制工程 2023, 41(10): 190-194
调节系统死区对一次调频动态性能的影响分析
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魏加达1, 2 , 赵训新1, 2, 莫凡1, 2, 程远楚3 , 阳瑞霖1, 2
作者信息
  • 1.国家电力投资集团水电产业创新中心,湖南 长沙 410000
  • 2.湖南五凌电力科技有限公司,湖南 长沙 410000
  • 3.武汉大学动力与机械学院,湖北 武汉 430072
  • 魏加达(1996-),男,硕士,研究方向为自动装置诊断分析,E-mail:

通讯作者:

程远楚(1962-),男,教授、博导,研究方向为水电机组自动控制,E-mail:
Analysis of Influence of Dead Zone of Regulating System on Dynamic Performance of Primary Frequency Modulation
Jia-da WEI1, 2 , Xun-xin ZHAO1, 2, Fan MO1, 2, Yuan-chu CHENG3 , Rui-lin YANG1, 2
Affiliations
  • 1.Hydropower Industry Innovation Center of State Power Investment Corporation Limited, Changsha 410000, China
  • 2.Hunan Wuling Power Technology Co., Ltd., Changsha 410000, China
  • 3.School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
出版时间: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222513
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水电机组一次调频功能对维持电网安全稳定运行承担日益重要的作用,需保证并入电网的机组具备良好的一次调频性能。水轮机调节系统存在的各类死区非线性因素对一次调频动态性能的影响不可忽略。全面分析了调节系统各环节存在的死区非线性,基于建立的高准确性的水电机组一次调频模型,探究了在大、小频差下频率死区、开度死区、功率死区、随动系统死区等对一次调频响应性能的影响,着重揭示了小扰动下一次调频不动作或与随动系统死区有关,为水电机组一次调频功能改善与优化提供了重要的理论指导。

水轮机调节系统  /  一次调频  /  死区  /  数学模型  /  动态性能

The primary frequency modulation function of the hydropower unit plays an increasingly important role in maintaining the safe and stable operation of the power grid, and it is necessary to ensure that the units integrated into the power grid have good primary frequency modulation performance. The influence of various dead zone nonlinear factors in the hydraulic turbine adjustment system on the dynamic performance of primary frequency modulation cannot be ignored. The nonlinearity of the dead zone in all links of the adjustment system is comprehensively analyzed. Based on the established high-precision primary frequency modulation model of hydropower units, the influence of frequency dead zone, openness dead zone, power dead zone and dead zone of the follow-up system on the performance of the primary frequency modulation response performance of large and small frequency difference is explored, and it is emphasized that the next frequency modulation inaction of small disturbances may be related to the dead zone of the follow-up system, which provides important theoretical guidance for the improvement and optimization of the primary frequency modulation function of the hydropower unit.

hydraulic turbine governing system  /  primary frequency regulation  /  dead zone  /  mathematical model  /  dynamic performance
魏加达, 赵训新, 莫凡, 程远楚, 阳瑞霖. 调节系统死区对一次调频动态性能的影响分析. 水电能源科学, 2023 , 41 (10) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20222513
Jia-da WEI, Xun-xin ZHAO, Fan MO, Yuan-chu CHENG, Rui-lin YANG. Analysis of Influence of Dead Zone of Regulating System on Dynamic Performance of Primary Frequency Modulation[J]. Water Resources and Power, 2023 , 41 (10) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20222513
  • 国家电力投资集团统筹研发经费支持项目(TC2020SD01)
2023年第41卷第10期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20222513
  • 接收时间:2022-11-30
  • 首发时间:2026-01-28
  • 出版时间:2023-10-25
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  • 收稿日期:2022-11-30
  • 修回日期:2023-01-03
基金
国家电力投资集团统筹研发经费支持项目(TC2020SD01)
作者信息
    1.国家电力投资集团水电产业创新中心,湖南 长沙 410000
    2.湖南五凌电力科技有限公司,湖南 长沙 410000
    3.武汉大学动力与机械学院,湖北 武汉 430072

通讯作者:

程远楚(1962-),男,教授、博导,研究方向为水电机组自动控制,E-mail:
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species
占总种数比例
Percentage of total
species (%)
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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