Article(id=1223201257792328306, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221652, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660147200000, receivedDateStr=2022-08-11, revisedDate=1663862400000, revisedDateStr=2022-09-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563505838, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563505838, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563505838, creator=13701087609, updateTime=1769563505838, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', 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=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=218, endPage=220, ext={EN=ArticleExt(id=1223201259352609456, articleId=1223201257792328306, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Application Research of a High Reliability Multi-signal Redundant Speed Relay, columnId=1222940986234364233, journalTitle=Water Resources and Power, columnName=ELECTRICAL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

At present, the existing speed relays on the market only collect single signal source, poor anti-interference. It is easy to disorder the signal of the speed node output caused by measurement signal distortion and measuring channel fault. In order to improve the reliability and accuracy of the speed relay, two channels of residual voltage signals and two channels of sprocket speed measurement signals were respectively connected. Then the dual-probe tooth sequential speed measurement method was combined with the logic of selecting one out of three speed signals. The judgment method selected one speed signal as the main signal. In the signal output process of the rotational speed node, the limiting average filtering method and the method of retrieval interference output blocking were applied to eliminate the distortion in the signal output process. Through the simulation test bench test and the application in the actual generator set, the anti-interference ability of the acquisition signal loop, the signal measurement accuracy, and the reliability of the output action of the speed node have been significantly improved.

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市场现有转速继电器转速信号源采集单一,抗干扰差,容易因测量信号失真、测量通道故障导致转速节点输出错乱。为提高其精确度和可靠性,引入双残压信号输入和双探头齿顺序测速法的多信号冗余采集方式,通过三选一逻辑判断方式选出主用信号源;并在转速节点信号输出过程中使用限幅平均滤波法和检索干扰输出闭锁方式,消除信号输出过程中的失真。通过仿真试验台测试和在水电站发电机组上的应用验证,该方法在信号采集回路抗干扰能力、信号测量精度及转速节点输出动作可靠性等方面均有显著提升。

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束炳芳(1982-),男,硕士,研究方向为水电厂设备技术管理和检修管理,E-mail:

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束炳芳(1982-),男,硕士,研究方向为水电厂设备技术管理和检修管理,E-mail:

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束炳芳(1982-),男,硕士,研究方向为水电厂设备技术管理和检修管理,E-mail:

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一种高可靠多信号冗余转速继电器应用研究
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束炳芳 1 , 赵伟俊 2 , 劳鹏飞 2 , 甘倍荣 1 , 董承志 1 , 张刘桐 1
水电能源科学 | 电气工程 2023,41(7): 218-220
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水电能源科学 | 电气工程 2023, 41(7): 218-220
一种高可靠多信号冗余转速继电器应用研究
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束炳芳1 , 赵伟俊2, 劳鹏飞2, 甘倍荣1, 董承志1, 张刘桐1
作者信息
  • 1.国网浙江省电力有限公司紧水滩水力发电厂,浙江 丽水 323000
  • 2.武汉三联水电控制设备有限公司,湖北 武汉 430200
  • 束炳芳(1982-),男,硕士,研究方向为水电厂设备技术管理和检修管理,E-mail:

Application Research of a High Reliability Multi-signal Redundant Speed Relay
Bing-fang SHU1 , Wei-jun ZHAO2, Peng-fei LAO2, Bei-rong GAN1, Cheng-zhi DONG1, Liu-tong ZHANG1
Affiliations
  • 1.Jinshuitan Hydropower Plant, State Grid Zhejiang Electric Power Co., Ltd., Lishui 323000, China
  • 2.Wuhan Sanlian Hydropower Control Equipment Co., Ltd., Wuhan 430200, China
出版时间: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221652
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市场现有转速继电器转速信号源采集单一,抗干扰差,容易因测量信号失真、测量通道故障导致转速节点输出错乱。为提高其精确度和可靠性,引入双残压信号输入和双探头齿顺序测速法的多信号冗余采集方式,通过三选一逻辑判断方式选出主用信号源;并在转速节点信号输出过程中使用限幅平均滤波法和检索干扰输出闭锁方式,消除信号输出过程中的失真。通过仿真试验台测试和在水电站发电机组上的应用验证,该方法在信号采集回路抗干扰能力、信号测量精度及转速节点输出动作可靠性等方面均有显著提升。

双探头  /  信号冗余  /  齿顺序测频  /  三选一  /  转速继电器

At present, the existing speed relays on the market only collect single signal source, poor anti-interference. It is easy to disorder the signal of the speed node output caused by measurement signal distortion and measuring channel fault. In order to improve the reliability and accuracy of the speed relay, two channels of residual voltage signals and two channels of sprocket speed measurement signals were respectively connected. Then the dual-probe tooth sequential speed measurement method was combined with the logic of selecting one out of three speed signals. The judgment method selected one speed signal as the main signal. In the signal output process of the rotational speed node, the limiting average filtering method and the method of retrieval interference output blocking were applied to eliminate the distortion in the signal output process. Through the simulation test bench test and the application in the actual generator set, the anti-interference ability of the acquisition signal loop, the signal measurement accuracy, and the reliability of the output action of the speed node have been significantly improved.

double probe  /  signal redundancy  /  tooth sequence frequency measurement  /  choose one from three  /  speed relay
束炳芳, 赵伟俊, 劳鹏飞, 甘倍荣, 董承志, 张刘桐. 一种高可靠多信号冗余转速继电器应用研究. 水电能源科学, 2023 , 41 (7) : 218 -220 . DOI: 10.20040/j.cnki.1000-7709.2023.20221652
Bing-fang SHU, Wei-jun ZHAO, Peng-fei LAO, Bei-rong GAN, Cheng-zhi DONG, Liu-tong ZHANG. Application Research of a High Reliability Multi-signal Redundant Speed Relay[J]. Water Resources and Power, 2023 , 41 (7) : 218 -220 . DOI: 10.20040/j.cnki.1000-7709.2023.20221652
  • 湖北省教育厅科学技术研究计划项目(B2018328)
2023年第41卷第7期
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doi: 10.20040/j.cnki.1000-7709.2023.20221652
  • 接收时间:2022-08-11
  • 首发时间:2026-01-28
  • 出版时间:2023-07-25
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  • 收稿日期:2022-08-11
  • 修回日期:2022-09-23
基金
湖北省教育厅科学技术研究计划项目(B2018328)
作者信息
    1.国网浙江省电力有限公司紧水滩水力发电厂,浙江 丽水 323000
    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
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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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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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