Article(id=1241742252079370240, tenantId=1146029695717560320, journalId=1146032081894723586, issueId=1241742235478323426, articleNumber=null, orderNo=null, doi=10.3981/j.issn.2097-0781.2023.04.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1699027200000, receivedDateStr=2023-11-04, revisedDate=1699632000000, revisedDateStr=2023-11-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1704556800000, onlineDateStr=2024-01-07, pubDate=1703001600000, pubDateStr=2023-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1704556800000, onlineIssueDateStr=2024-01-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773984023349, creator=sys-migrate, updateTime=1773984023350, updator=sys-migrate, issue=Issue{id=1241742235478323426, tenantId=1146029695717560320, journalId=1146032081894723586, year='2023', volume='2', issue='4', pageStart='4', pageEnd='116', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=1, createTime=1773984019388, creator=sys-migrate, updateTime=1774001921268, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241817321451357165, tenantId=1146029695717560320, journalId=1146032081894723586, issueId=1241742235478323426, language=EN, specialIssueTitle=Special Issue on High-speed Magnetic Levitation Transportation, coverIllustrator=null, specialIssueEditor=null, specialIssueAbout=null), CN=IssueExt(id=1241817321451357166, tenantId=1146029695717560320, journalId=1146032081894723586, issueId=1241742235478323426, language=CN, specialIssueTitle=高速磁浮交通专刊, coverIllustrator=null, specialIssueEditor=null, specialIssueAbout=null)}, issueFiles=null}, startPage=105, endPage=114, ext={EN=ArticleExt(id=1241742257351618804, articleId=1241742252079370240, tenantId=1146029695717560320, journalId=1146032081894723586, language=EN, title=Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation, columnId=1149656489310208610, journalTitle=Science and Technology Foresight, columnName=Review and Commentary, runingTitle=null, highlight=null, articleAbstract=

The suspension electromagnets on current normal conductor-based high-speed maglev vehicles adopt direct current (DC) excitation, which belongs to DC electromagnetic suspension. The suspension electromagnets on maglev vehicles also can adopt alternating current (AC) excitation, and AC electromagnetic suspension has comparative advantages in contactless power transfer and field-oriented control. Therefore, it has the technical potential to enhance the performance and reduce the cost of the normal conductor-based high-speed maglev transportation system. However, AC electromagnetic suspension faces technical challenges including the spatiotemporal imbalance of the electromagnetic forces and the capacity of the mover motor controller. This article analyzes the principle and technical characteristics of AC electromagnetic suspension and introduces the development status in this field, the practical exploration process, and the phased achievements. Then, the article discusses the potential technical advantages and challenges of applying AC electromagnetic suspension to high-speed maglev transportation and provides follow-up research and development suggestions.

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现有常导高速磁浮列车的车端悬浮电磁铁采用直流励磁,属直流电磁悬浮。车端悬浮电磁铁也可采用交流励磁,交流电磁悬浮在非接触电能传输、磁场定向控制等方面具有比较优势,具备提升常导高速磁浮交通系统性能并降低其成本的技术潜力;但其在电磁力时空不平衡、动子控制器容量等方面存在技术挑战。文章分析了交流电磁悬浮的原理与技术特点,介绍了该领域的发展态势、实践探索历程与阶段性成果;阐述了交流电磁悬浮用于高速磁浮交通的潜在技术优势和技术挑战,并在此基础上给出后续发展建议。

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钟再敏,教授,博士研究生导师。主要从事高速磁浮用直线电机及其控制、车用电驱动系统技术研究。获国家科学技术进步奖二等奖(排名第7)、上海市科技进步奖一等奖(排名第2)和上海市技术发明奖二等奖(排名第2)各1项。电子信箱:

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钟再敏,教授,博士研究生导师。主要从事高速磁浮用直线电机及其控制、车用电驱动系统技术研究。获国家科学技术进步奖二等奖(排名第7)、上海市科技进步奖一等奖(排名第2)和上海市技术发明奖二等奖(排名第2)各1项。电子信箱:

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钟再敏,教授,博士研究生导师。主要从事高速磁浮用直线电机及其控制、车用电驱动系统技术研究。获国家科学技术进步奖二等奖(排名第7)、上海市科技进步奖一等奖(排名第2)和上海市技术发明奖二等奖(排名第2)各1项。电子信箱:

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空间分布特性

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MOSFET:Metal-Oxide-Semiconductor Field Effect Transistor,金属-氧化物-半导体场效应晶体管;IGBT:Insulated Gate Bipolar Transistor,绝缘栅双极型晶体管。

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制式 直流电磁悬浮 交流电磁悬浮
电机类型 电励磁同步电机 (准同步运行)双馈直线电机
悬浮电磁铁励磁方式 直流 交流
车辆供电 低速:接触式供电轨
高速:专用直线发电机
依靠单一行波磁场实现一体化牵引、悬浮与车辆供电
牵引力控制 地面牵引力控制(地控车) 车端牵引力控制
车端磁场定向,对热伸缩等引起的牵引力衰减耐受性好
电机控制对车地通信的要求 相位同步,要求低延时 频率同步,车地通信要求一般
磁场定向所需位置信息 低速:高精度位置检测系统
高速:估算
磁场定向控制不依赖车辆的绝对位置信息
运行调度 一区一车模式 理论上可实现一区多车
可实现短距离定子无源牵引(次级为反应板,退化为直线感应电机)
定子控制方式 矢量控制(电流幅值、频率、相位) 标量控制(电流幅值、频率)
动子控制器 直流DC/DC,功率容量小 多相直流/交流变流器,矢量控制(幅值、相位、频率),功率容量需求更大,是难点问题之一
悬浮控制 直流悬浮 交流电磁悬浮控制相对更难,是难点问题之二
), ArticleFig(id=1241742301941264733, tenantId=1146029695717560320, journalId=1146032081894723586, articleId=1241742252079370240, language=CN, label=表1, caption=

直、交流电磁悬浮用于高速磁浮交通的技术特点对比

, figureFileSmall=null, figureFileBig=null, tableContent=
制式 直流电磁悬浮 交流电磁悬浮
电机类型 电励磁同步电机 (准同步运行)双馈直线电机
悬浮电磁铁励磁方式 直流 交流
车辆供电 低速:接触式供电轨
高速:专用直线发电机
依靠单一行波磁场实现一体化牵引、悬浮与车辆供电
牵引力控制 地面牵引力控制(地控车) 车端牵引力控制
车端磁场定向,对热伸缩等引起的牵引力衰减耐受性好
电机控制对车地通信的要求 相位同步,要求低延时 频率同步,车地通信要求一般
磁场定向所需位置信息 低速:高精度位置检测系统
高速:估算
磁场定向控制不依赖车辆的绝对位置信息
运行调度 一区一车模式 理论上可实现一区多车
可实现短距离定子无源牵引(次级为反应板,退化为直线感应电机)
定子控制方式 矢量控制(电流幅值、频率、相位) 标量控制(电流幅值、频率)
动子控制器 直流DC/DC,功率容量小 多相直流/交流变流器,矢量控制(幅值、相位、频率),功率容量需求更大,是难点问题之一
悬浮控制 直流悬浮 交流电磁悬浮控制相对更难,是难点问题之二
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Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation
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Zaimin ZHONG 1, , Yeqin WANG 1 , Wen JI 2 , Xiaohong CHEN 2
Science and Technology Foresight | Review and Commentary 2023,2(4): 105-114
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Science and Technology Foresight | Review and Commentary 2023, 2(4): 105-114
Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation
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Zaimin ZHONG1, , Yeqin WANG1, Wen JI2, Xiaohong CHEN2
Authors
  • 1. School of Automotive Studies,Tongji University, Shanghai 201804, China
  • 2. State Key Laboratory of High-speed Maglev Transportation Technology, Tongji University, Shanghai 201804, China

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Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation
Zaimin ZHONG1, , Yeqin WANG1, Wen JI2, Xiaohong CHEN2
Affiliations
  • 1. School of Automotive Studies,Tongji University, Shanghai 201804, China
  • 2. State Key Laboratory of High-speed Maglev Transportation Technology, Tongji University, Shanghai 201804, China
Published: 2023-12-20 doi: 10.3981/j.issn.2097-0781.2023.04.011
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The suspension electromagnets on current normal conductor-based high-speed maglev vehicles adopt direct current (DC) excitation, which belongs to DC electromagnetic suspension. The suspension electromagnets on maglev vehicles also can adopt alternating current (AC) excitation, and AC electromagnetic suspension has comparative advantages in contactless power transfer and field-oriented control. Therefore, it has the technical potential to enhance the performance and reduce the cost of the normal conductor-based high-speed maglev transportation system. However, AC electromagnetic suspension faces technical challenges including the spatiotemporal imbalance of the electromagnetic forces and the capacity of the mover motor controller. This article analyzes the principle and technical characteristics of AC electromagnetic suspension and introduces the development status in this field, the practical exploration process, and the phased achievements. Then, the article discusses the potential technical advantages and challenges of applying AC electromagnetic suspension to high-speed maglev transportation and provides follow-up research and development suggestions.

integrated traction/suspension/contactless power transfer  /  AC electromagnetic suspension  /  quasi-synchronous operation of doubly-fed linear motor

The suspension electromagnets on current normal conductor-based high-speed maglev vehicles adopt direct current (DC) excitation, which belongs to DC electromagnetic suspension. The suspension electromagnets on maglev vehicles also can adopt alternating current (AC) excitation, and AC electromagnetic suspension has comparative advantages in contactless power transfer and field-oriented control. Therefore, it has the technical potential to enhance the performance and reduce the cost of the normal conductor-based high-speed maglev transportation system. However, AC electromagnetic suspension faces technical challenges including the spatiotemporal imbalance of the electromagnetic forces and the capacity of the mover motor controller. This article analyzes the principle and technical characteristics of AC electromagnetic suspension and introduces the development status in this field, the practical exploration process, and the phased achievements. Then, the article discusses the potential technical advantages and challenges of applying AC electromagnetic suspension to high-speed maglev transportation and provides follow-up research and development suggestions.

integrated traction/suspension/contactless power transfer  /  AC electromagnetic suspension  /  quasi-synchronous operation of doubly-fed linear motor
钟再敏, 王业勤, 吉文, 陈小鸿. 常导交流电磁悬浮高速磁浮运载技术创新探索[J]. 前瞻科技, 2023 , 2 (4) : 4 -116 . DOI: 10.3981/j.issn.2097-0781.2023.04.011
Zaimin ZHONG, Yeqin WANG, Wen JI, Xiaohong CHEN. Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation[J]. Science and Technology Foresight, 2023 , 2 (4) : 4 -116 . DOI: 10.3981/j.issn.2097-0781.2023.04.011
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doi: 10.3981/j.issn.2097-0781.2023.04.011
  • Received:2023-11-04
  • Published:2023-12-20
  • Release:2024-01-07
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  • 收稿日期:2023-11-04
  • 修回日期:2023-11-11
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国家自然科学基金(52202448)
Authors
    1. School of Automotive Studies,Tongji University, Shanghai 201804, China
    2. State Key Laboratory of High-speed Maglev Transportation Technology, Tongji University, Shanghai 201804, China

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钟再敏, 王业勤, 吉文, 陈小鸿. 常导交流电磁悬浮高速磁浮运载技术创新探索[J]. 前瞻科技, 2023 , 2 (4) : 4 -116 . DOI: 10.3981/j.issn.2097-0781.2023.04.011
Zaimin ZHONG, Yeqin WANG, Wen JI, Xiaohong CHEN. Innovative Exploration of Normal Conductor-based AC Electromagnetic Suspension Technology for High-speed Maglev Transportation[J]. Science and Technology Foresight, 2023 , 2 (4) : 4 -116 . DOI: 10.3981/j.issn.2097-0781.2023.04.011
表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
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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