SG87890A1 - Electric power distribution installation circuit - Google Patents

Electric power distribution installation circuit

Info

Publication number
SG87890A1
SG87890A1 SG200001752A SG200001752A SG87890A1 SG 87890 A1 SG87890 A1 SG 87890A1 SG 200001752 A SG200001752 A SG 200001752A SG 200001752 A SG200001752 A SG 200001752A SG 87890 A1 SG87890 A1 SG 87890A1
Authority
SG
Singapore
Prior art keywords
electric power
power distribution
distribution installation
installation circuit
circuit
Prior art date
Application number
SG200001752A
Inventor
Sato Masabumi
Kurita Kazuo
Kano Kazuo
Watanabe Kenichiro
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG87890A1 publication Critical patent/SG87890A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • 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
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • 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
    • H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
    • 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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
SG200001752A 1999-04-01 2000-03-28 Electric power distribution installation circuit SG87890A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09485999A JP3611476B2 (en) 1999-04-01 1999-04-01 Power distribution equipment circuit

Publications (1)

Publication Number Publication Date
SG87890A1 true SG87890A1 (en) 2002-04-16

Family

ID=14121769

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200001752A SG87890A1 (en) 1999-04-01 2000-03-28 Electric power distribution installation circuit

Country Status (4)

Country Link
JP (1) JP3611476B2 (en)
KR (1) KR20010006937A (en)
SG (1) SG87890A1 (en)
TW (1) TW463441B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020067902A (en) * 2002-07-02 2002-08-24 (주)한창트랜스 Load switching transformer
KR100726029B1 (en) * 2005-10-25 2007-06-08 한국전기연구원 SERIAL CAPACITANCE APPARATUS for ROOF SYSTEM
KR101105300B1 (en) * 2009-06-30 2012-01-17 한국전력공사 Closed-loop power distribution system including sub loops
KR101105302B1 (en) * 2009-08-04 2012-01-17 한국전력공사 Overhead loop power distribution system
KR101348037B1 (en) * 2011-09-30 2014-01-06 한국전력공사 Method for processing fault of loop distribution line, and apparatus for cutting off loop distribution line
JP2016054574A (en) * 2014-09-03 2016-04-14 株式会社明電舎 Power transmission system
SE539916C2 (en) * 2016-05-11 2018-01-16 Dlaboratory Sweden Ab Method and device for disconnecting faults in mains

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04331416A (en) * 1991-04-30 1992-11-19 Hitachi Ltd Ground fault protection system for distribution line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04331416A (en) * 1991-04-30 1992-11-19 Hitachi Ltd Ground fault protection system for distribution line

Also Published As

Publication number Publication date
TW463441B (en) 2001-11-11
JP2000295764A (en) 2000-10-20
KR20010006937A (en) 2001-01-26
JP3611476B2 (en) 2005-01-19

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