SG11201909827PA - Dc ground fault detection system and dc ground fault detection method for dc electric railway - Google Patents

Dc ground fault detection system and dc ground fault detection method for dc electric railway

Info

Publication number
SG11201909827PA
SG11201909827PA SG11201909827PA SG11201909827PA SG 11201909827P A SG11201909827P A SG 11201909827PA SG 11201909827P A SG11201909827P A SG 11201909827PA SG 11201909827P A SG11201909827P A SG 11201909827PA
Authority
SG
Singapore
Prior art keywords
ground fault
fault detection
rail
short
circuit switch
Prior art date
Application number
Other languages
English (en)
Inventor
Hiroto Ikeda
Kazuo Fukuda
Original Assignee
Meidensha Electric Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meidensha Electric Mfg Co Ltd filed Critical Meidensha Electric Mfg Co Ltd
Publication of SG11201909827PA publication Critical patent/SG11201909827PA/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
    • H02H3/385—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
SG11201909827P 2017-04-26 2017-12-28 Dc ground fault detection system and dc ground fault detection method for dc electric railway SG11201909827PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017086743 2017-04-26
JP2017179982A JP6299920B1 (ja) 2017-04-26 2017-09-20 直流電気鉄道の直流地絡検出システムおよび直流地絡検出方法
PCT/JP2017/047213 WO2018198438A1 (fr) 2017-04-26 2017-12-28 Système et procédé de détection de défaut à la terre de courant continu de chemin de fer électrique à courant continu

Publications (1)

Publication Number Publication Date
SG11201909827PA true SG11201909827PA (en) 2019-11-28

Family

ID=61756520

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201909827P SG11201909827PA (en) 2017-04-26 2017-12-28 Dc ground fault detection system and dc ground fault detection method for dc electric railway

Country Status (4)

Country Link
EP (1) EP3614513B1 (fr)
JP (1) JP6299920B1 (fr)
SG (1) SG11201909827PA (fr)
WO (1) WO2018198438A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532573A (zh) * 2018-09-25 2019-03-29 苏州万龙电气集团股份有限公司 一种基于云服务的接触网应急联络供电方法
JP7198627B2 (ja) * 2018-10-12 2023-01-04 株式会社日立製作所 鉄道車両および鉄道車両の電力制御方法
EP3713029A1 (fr) * 2019-03-18 2020-09-23 Siemens Aktiengesellschaft Localiser une fuite à la terre dans un réseau à courant continu avec plusieurs zones de charge
JP7244321B2 (ja) * 2019-03-25 2023-03-22 東日本旅客鉄道株式会社 直流き電線の高抵抗地絡検出装置および検出方法
JP7396938B2 (ja) 2020-03-13 2023-12-12 株式会社日立製作所 レール対地電圧抑制システム
JP7309681B2 (ja) 2020-11-10 2023-07-18 本田技研工業株式会社 鞍乗り型車両
CN113238124B (zh) * 2021-03-29 2022-09-13 中车青岛四方机车车辆股份有限公司 一种交流绝缘检测系统、方法及轨道车辆
CN113937736B (zh) * 2021-10-15 2023-12-19 劲逐软件技术(深圳)有限公司 一种电力系统故障防护系统及防护方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3915050B2 (ja) * 1998-12-29 2007-05-16 株式会社指月電機製作所 き電設備における事故電流検出装置及び事故区間判別方法
KR100694279B1 (ko) * 2005-06-18 2007-03-14 한국철도기술연구원 전기철도용 직류 급전계통에서의 지락보호계전방법
JP5425567B2 (ja) * 2009-09-04 2014-02-26 公益財団法人鉄道総合技術研究所 超電導直流き電システム、および故障検出方法
KR101080265B1 (ko) * 2010-08-25 2011-11-08 한국철도기술연구원 레일전위 상승 시 지락사고와 비지락사고 상태 구분이 가능한 레일 전위 제어 시스템
JP5951237B2 (ja) * 2011-11-21 2016-07-13 株式会社東芝 直流き電保護継電装置
JP6220209B2 (ja) * 2013-09-30 2017-10-25 株式会社東芝 直流き電保護制御システム

Also Published As

Publication number Publication date
WO2018198438A1 (fr) 2018-11-01
JP6299920B1 (ja) 2018-03-28
EP3614513A4 (fr) 2021-01-06
EP3614513A1 (fr) 2020-02-26
EP3614513B1 (fr) 2021-11-03
JP2018185284A (ja) 2018-11-22

Similar Documents

Publication Publication Date Title
SG11201909827PA (en) Dc ground fault detection system and dc ground fault detection method for dc electric railway
CN205283088U (zh) 一种用于磁悬浮轨道交通的直流接地保护装置
CN102963271A (zh) 一种双线铁路末端并联牵引网分区段供电及状态测控方法
CN203014361U (zh) 轨道交通线路的牵引变电站框架保护系统
CA2874345C (fr) Vehicule terrestre guide comportant un dispositif pour gerer le deraillement du vehicule et procede de gestion de deraillement associe
CN202533540U (zh) 地铁屏蔽门泄漏电流监控装置
CN105514926A (zh) 一种直流接地保护启动跳闸后恢复供电的方法
CN201690211U (zh) 直流牵引供电回流轨电位快速检测与保护装置
CN103373247A (zh) 一种钢轨电位保护装置
CN202541352U (zh) 一种钢轨电位保护装置
CN204065229U (zh) 接触网带电实时检测装置
CN205800830U (zh) 一种地铁用排流系统
CN202115508U (zh) 一种屏蔽门与地铁轨道之间电位连接装置
CN203859407U (zh) 开关柜智能型闭锁装置
CN206422507U (zh) 实现重合闸检无压的装置
CN207571206U (zh) 一种基于行波检测的避雷器动作检测系统
Kim et al. Analysis of return current by common earth on electrical line of the gyeongbu line
Elisabeta et al. Rapid diagnosis of track circuits in a railroad station
EP2880731B1 (fr) Détection de défaillances dans un réseau d'alimentation en énergie à injection d'énergie décentralisée
CN203965510U (zh) 限流型变压器铁芯接地电流监测装置
CN205982558U (zh) 一种直流牵引供电系统的断路器短路测试装置
CN207069699U (zh) 一种变电站保护硬压板远程监视装置
CN102211531B (zh) 确定长定子发生一相多点接地故障的方法
CN205844452U (zh) 直流系统接地故障在线诊断分析设备
Wang et al. Grounding fault location in DC railway system