GB2268344B - Direct current high tension grounding protection circuit for direct current electrification system - Google Patents

Direct current high tension grounding protection circuit for direct current electrification system

Info

Publication number
GB2268344B
GB2268344B GB9313008A GB9313008A GB2268344B GB 2268344 B GB2268344 B GB 2268344B GB 9313008 A GB9313008 A GB 9313008A GB 9313008 A GB9313008 A GB 9313008A GB 2268344 B GB2268344 B GB 2268344B
Authority
GB
United Kingdom
Prior art keywords
direct current
protection circuit
high tension
grounding protection
electrification system
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9313008A
Other versions
GB2268344A (en
GB9313008D0 (en
Inventor
Kazutaka Sawada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing 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 Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Publication of GB9313008D0 publication Critical patent/GB9313008D0/en
Publication of GB2268344A publication Critical patent/GB2268344A/en
Application granted granted Critical
Publication of GB2268344B publication Critical patent/GB2268344B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB9313008A 1992-06-25 1993-06-23 Direct current high tension grounding protection circuit for direct current electrification system Expired - Fee Related GB2268344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4392992U JPH066073U (en) 1992-06-25 1992-06-25 DC high voltage ground protection circuit for DC electrification system

Publications (3)

Publication Number Publication Date
GB9313008D0 GB9313008D0 (en) 1993-08-04
GB2268344A GB2268344A (en) 1994-01-05
GB2268344B true GB2268344B (en) 1996-03-06

Family

ID=12677388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9313008A Expired - Fee Related GB2268344B (en) 1992-06-25 1993-06-23 Direct current high tension grounding protection circuit for direct current electrification system

Country Status (3)

Country Link
JP (1) JPH066073U (en)
GB (1) GB2268344B (en)
SG (1) SG77532A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2355681B1 (en) * 2008-02-15 2011-11-21 Juan Manuel Montero Meló DOWNLOAD OF POLARIZED INTERVALS AND OVERVOLTAGES FOR CONTINUOUS CURRENT RAILWAY LINES.
CN109094427B (en) * 2018-08-23 2023-09-22 南京铁道职业技术学院 Subway stray current suppression system and method based on voltage compensation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430683A (en) * 1981-02-27 1984-02-07 Hitachi, Ltd. Ground fault detecting device for use with a DC circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430683A (en) * 1981-02-27 1984-02-07 Hitachi, Ltd. Ground fault detecting device for use with a DC circuit

Also Published As

Publication number Publication date
JPH066073U (en) 1994-01-25
GB2268344A (en) 1994-01-05
GB9313008D0 (en) 1993-08-04
SG77532A1 (en) 2001-01-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020623