GB1492181A - Fault detection system for dc transmission line - Google Patents

Fault detection system for dc transmission line

Info

Publication number
GB1492181A
GB1492181A GB47017/74A GB4701774A GB1492181A GB 1492181 A GB1492181 A GB 1492181A GB 47017/74 A GB47017/74 A GB 47017/74A GB 4701774 A GB4701774 A GB 4701774A GB 1492181 A GB1492181 A GB 1492181A
Authority
GB
United Kingdom
Prior art keywords
current
detector
line
providing
transmission
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
Application number
GB47017/74A
Other languages
English (en)
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.)
Electric Power Development Co Ltd
Toshiba Corp
Hitachi Ltd
Original Assignee
Electric Power Development Co Ltd
Hitachi Ltd
Tokyo Shibaura Electric 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 Electric Power Development Co Ltd, Hitachi Ltd, Tokyo Shibaura Electric Co Ltd filed Critical Electric Power Development Co Ltd
Publication of GB1492181A publication Critical patent/GB1492181A/en
Expired legal-status Critical Current

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
    • H02H7/268—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

  • Direct Current Feeding And Distribution (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Dc Digital Transmission (AREA)
GB47017/74A 1973-11-02 1974-10-30 Fault detection system for dc transmission line Expired GB1492181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48122859A JPS5231067B2 (enExample) 1973-11-02 1973-11-02

Publications (1)

Publication Number Publication Date
GB1492181A true GB1492181A (en) 1977-11-16

Family

ID=14846393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47017/74A Expired GB1492181A (en) 1973-11-02 1974-10-30 Fault detection system for dc transmission line

Country Status (4)

Country Link
JP (1) JPS5231067B2 (enExample)
DE (1) DE2451940C2 (enExample)
GB (1) GB1492181A (enExample)
SE (1) SE402190B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9496702B2 (en) 2013-07-15 2016-11-15 General Electric Company Method and system for control and protection of direct current subsea power systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628395A (en) * 1983-11-21 1986-12-09 Mitsubishi Denki Kabushiki Kaisha Overload protecting circuit for an inverter device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH349687A (enExample) * 1954-09-07 1960-10-31 Asea Ab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9496702B2 (en) 2013-07-15 2016-11-15 General Electric Company Method and system for control and protection of direct current subsea power systems

Also Published As

Publication number Publication date
JPS5231067B2 (enExample) 1977-08-12
DE2451940C2 (de) 1987-01-08
SE402190B (sv) 1978-06-19
JPS5073158A (enExample) 1975-06-17
DE2451940A1 (de) 1975-05-28
SE7413772L (enExample) 1975-05-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19941029