JPH0320969B2 - - Google Patents

Info

Publication number
JPH0320969B2
JPH0320969B2 JP58144988A JP14498883A JPH0320969B2 JP H0320969 B2 JPH0320969 B2 JP H0320969B2 JP 58144988 A JP58144988 A JP 58144988A JP 14498883 A JP14498883 A JP 14498883A JP H0320969 B2 JPH0320969 B2 JP H0320969B2
Authority
JP
Japan
Prior art keywords
equation
current
power transmission
transmission line
voltage
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
JP58144988A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6039312A (ja
Inventor
Mitsuru Yamaura
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.)
Toshiba Corp
Original Assignee
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP58144988A priority Critical patent/JPS6039312A/ja
Priority to EP84109048A priority patent/EP0139123B1/en
Priority to DE8484109048T priority patent/DE3471209D1/de
Priority to US06/637,722 priority patent/US4577254A/en
Publication of JPS6039312A publication Critical patent/JPS6039312A/ja
Publication of JPH0320969B2 publication Critical patent/JPH0320969B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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)
  • Locating Faults (AREA)
JP58144988A 1983-08-10 1983-08-10 保護継電装置 Granted JPS6039312A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58144988A JPS6039312A (ja) 1983-08-10 1983-08-10 保護継電装置
EP84109048A EP0139123B1 (en) 1983-08-10 1984-07-31 Protective relay system
DE8484109048T DE3471209D1 (en) 1983-08-10 1984-07-31 Protective relay system
US06/637,722 US4577254A (en) 1983-08-10 1984-08-06 Protective relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58144988A JPS6039312A (ja) 1983-08-10 1983-08-10 保護継電装置

Publications (2)

Publication Number Publication Date
JPS6039312A JPS6039312A (ja) 1985-03-01
JPH0320969B2 true JPH0320969B2 (en]) 1991-03-20

Family

ID=15374861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58144988A Granted JPS6039312A (ja) 1983-08-10 1983-08-10 保護継電装置

Country Status (4)

Country Link
US (1) US4577254A (en])
EP (1) EP0139123B1 (en])
JP (1) JPS6039312A (en])
DE (1) DE3471209D1 (en])

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180424A (ja) * 1984-02-28 1985-09-14 三菱電機株式会社 短絡距離継電器
JPH0828934B2 (ja) * 1984-07-31 1996-03-21 株式会社東芝 保護制御装置
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
JPS6240019A (ja) * 1985-08-13 1987-02-21 三菱電機株式会社 デジタル距離継電方式
AU603871B2 (en) * 1987-03-03 1990-11-29 Mitsubishi Denki Kabushiki Kaisha Digital locator
SE459946B (sv) * 1987-12-29 1989-08-21 Asea Ab Relaeskydd med selektivt fasval foer dubbelledningar
US5483462A (en) * 1990-05-07 1996-01-09 Cornell Research Foundation, Inc. On-line method for determining power system transient stability
JP3119541B2 (ja) * 1993-03-25 2000-12-25 株式会社東芝 周波数検出方式
US5506789A (en) * 1993-10-15 1996-04-09 The Texas A & M University System Load extraction fault detection system
JP3790053B2 (ja) 1998-10-14 2006-06-28 株式会社東芝 距離継電器
AT408921B (de) * 1999-04-13 2002-04-25 Lothar Dipl Ing Dr Tec Fickert Messsystem zur fernmessung von strom und spannung in elektroenergienetzen
GB201102031D0 (en) * 2011-02-07 2011-03-23 Rolls Royce Plc Protection system for an electrical power network
CN102645614A (zh) * 2012-04-26 2012-08-22 郭振威 基于滤波器组高频子带信号处理量差值的输电线路方向元件
CN104125595B (zh) * 2013-04-25 2018-05-11 华为技术有限公司 故障定位及隔离的方法和检测设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100149A (en) * 1976-02-18 1977-08-22 Tokyo Electric Power Co Inc:The Digital failure point evaluating unit
JPS595220B2 (ja) * 1976-09-07 1984-02-03 カルプ工業株式会社 樹脂組成物
JPS5592514A (en) * 1978-12-28 1980-07-14 Tokyo Shibaura Electric Co Digital protection relay
JPS55127829A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital distance relay unit
US4300182A (en) * 1979-08-09 1981-11-10 Schweitzer Edmund O Iii Metering and protection system for an A.C. power system

Also Published As

Publication number Publication date
US4577254A (en) 1986-03-18
EP0139123A1 (en) 1985-05-02
EP0139123B1 (en) 1988-05-11
JPS6039312A (ja) 1985-03-01
DE3471209D1 (en) 1988-06-16

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