JPH0519377B2 - - Google Patents

Info

Publication number
JPH0519377B2
JPH0519377B2 JP59233061A JP23306184A JPH0519377B2 JP H0519377 B2 JPH0519377 B2 JP H0519377B2 JP 59233061 A JP59233061 A JP 59233061A JP 23306184 A JP23306184 A JP 23306184A JP H0519377 B2 JPH0519377 B2 JP H0519377B2
Authority
JP
Japan
Prior art keywords
stage
distance
distance measurement
calculation
digital
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 - Lifetime
Application number
JP59233061A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61112527A (ja
Inventor
Keiji Isahaya
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP59233061A priority Critical patent/JPS61112527A/ja
Priority to EP85114029A priority patent/EP0180955B1/en
Priority to US06/795,449 priority patent/US4689709A/en
Priority to AU49385/85A priority patent/AU575442B2/en
Publication of JPS61112527A publication Critical patent/JPS61112527A/ja
Publication of JPH0519377B2 publication Critical patent/JPH0519377B2/ja
Granted 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
    • 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
    • H02H3/40—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 ratio of voltage and current

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP59233061A 1984-11-07 1984-11-07 デイジタル距離継電器 Granted JPS61112527A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59233061A JPS61112527A (ja) 1984-11-07 1984-11-07 デイジタル距離継電器
EP85114029A EP0180955B1 (en) 1984-11-07 1985-11-05 Digital distance relay
US06/795,449 US4689709A (en) 1984-11-07 1985-11-06 Digital distance relay
AU49385/85A AU575442B2 (en) 1984-11-07 1985-11-06 Digital ripple control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59233061A JPS61112527A (ja) 1984-11-07 1984-11-07 デイジタル距離継電器

Publications (2)

Publication Number Publication Date
JPS61112527A JPS61112527A (ja) 1986-05-30
JPH0519377B2 true JPH0519377B2 (enExample) 1993-03-16

Family

ID=16949183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59233061A Granted JPS61112527A (ja) 1984-11-07 1984-11-07 デイジタル距離継電器

Country Status (4)

Country Link
US (1) US4689709A (enExample)
EP (1) EP0180955B1 (enExample)
JP (1) JPS61112527A (enExample)
AU (1) AU575442B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112527A (ja) * 1984-11-07 1986-05-30 三菱電機株式会社 デイジタル距離継電器
SE451102B (sv) * 1985-12-20 1987-08-31 Asea Ab Forfarande for detektering av hogresistivt jordfel pa en kraftledning belegen mellan tva stationer samt anordning for genomforande av det nemnda forfarandet
SE449796B (sv) * 1985-12-20 1987-05-18 Asea Ab Forfarande och anordning for lokalisering av fel pa en kraftledning
US4812995A (en) * 1987-05-19 1989-03-14 Girgis Adly A Adaptive Kalman Filtering in fault classification
US5216621A (en) * 1991-02-28 1993-06-01 Mehta Tech. Inc. Line disturbance monitor and recorder system
CA2184091A1 (en) * 1994-02-28 1995-09-08 Damir Novosel One-terminal data fault location system
US5790418A (en) * 1995-10-17 1998-08-04 Schweitzer Engineering Laboratories, Inc. Adaptive polarizing memory voltage time constant
US8340931B2 (en) * 2009-10-05 2012-12-25 Mehta Tech, Inc. Power grid with comparison of differences in remote phasor changes
CN102437556B (zh) * 2011-08-04 2013-11-27 天津大学 六相输电线路的序分量纵联方向保护方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261038A (en) * 1978-02-28 1981-04-07 National Research Development Corporation Protection of electrical power supply systems
JPS55127829A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital distance relay unit
US4377833A (en) * 1981-08-17 1983-03-22 Electric Power Research Institute, Inc. Methods and apparatus for protecting electrical reactors
JPS5854825A (ja) * 1981-09-29 1983-03-31 株式会社東芝 保護継電装置
JPS6039312A (ja) * 1983-08-10 1985-03-01 株式会社東芝 保護継電装置
JPS61112527A (ja) * 1984-11-07 1986-05-30 三菱電機株式会社 デイジタル距離継電器

Also Published As

Publication number Publication date
US4689709A (en) 1987-08-25
EP0180955A1 (en) 1986-05-14
EP0180955B1 (en) 1990-01-31
AU575442B2 (en) 1988-07-28
JPS61112527A (ja) 1986-05-30
AU4938585A (en) 1986-05-15

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