JPS55157924A - Overcurrent relay - Google Patents

Overcurrent relay

Info

Publication number
JPS55157924A
JPS55157924A JP6568279A JP6568279A JPS55157924A JP S55157924 A JPS55157924 A JP S55157924A JP 6568279 A JP6568279 A JP 6568279A JP 6568279 A JP6568279 A JP 6568279A JP S55157924 A JPS55157924 A JP S55157924A
Authority
JP
Japan
Prior art keywords
current
trigger element
circuit
voltage converter
delay
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.)
Granted
Application number
JP6568279A
Other languages
English (en)
Other versions
JPS6156684B2 (ja
Inventor
Jiyunzou Tanaka
Akihiko Kobanawa
Yasuo Takasaki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP6568279A priority Critical patent/JPS55157924A/ja
Priority to EP80102952A priority patent/EP0019904B1/de
Priority to DE8080102952T priority patent/DE3069057D1/de
Priority to AT80102952T priority patent/ATE9192T1/de
Publication of JPS55157924A publication Critical patent/JPS55157924A/ja
Publication of JPS6156684B2 publication Critical patent/JPS6156684B2/ja
Granted 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
    • H02H1/046—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 upon detecting saturation of current transformers
    • 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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Thermistors And Varistors (AREA)
  • Protection Of Generators And Motors (AREA)
JP6568279A 1979-05-29 1979-05-29 Overcurrent relay Granted JPS55157924A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP6568279A JPS55157924A (en) 1979-05-29 1979-05-29 Overcurrent relay
EP80102952A EP0019904B1 (de) 1979-05-29 1980-05-27 Überstromschutzrelais
DE8080102952T DE3069057D1 (en) 1979-05-29 1980-05-27 Overcurrent protective relais
AT80102952T ATE9192T1 (de) 1979-05-29 1980-05-27 Ueberstromschutzrelais.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6568279A JPS55157924A (en) 1979-05-29 1979-05-29 Overcurrent relay

Publications (2)

Publication Number Publication Date
JPS55157924A true JPS55157924A (en) 1980-12-09
JPS6156684B2 JPS6156684B2 (ja) 1986-12-03

Family

ID=13294013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6568279A Granted JPS55157924A (en) 1979-05-29 1979-05-29 Overcurrent relay

Country Status (4)

Country Link
EP (1) EP0019904B1 (ja)
JP (1) JPS55157924A (ja)
AT (1) ATE9192T1 (ja)
DE (1) DE3069057D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113922499A (zh) * 2021-09-15 2022-01-11 国网重庆市电力公司营销服务中心 一种发电厂电流互感器变比自适应切换方法与系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4685024A (en) * 1985-11-19 1987-08-04 General Electric Company Overcurrent circuit interrupter using RMS sampling
JPH0714251B2 (ja) * 1987-08-04 1995-02-15 三菱電機株式会社 回路しや断器
US4839770A (en) * 1988-01-25 1989-06-13 S&C Electric Company Control circuit with validity-determining arrangement
DE102006011713A1 (de) 2006-03-14 2007-10-04 Moeller Gmbh Elektrische Auslöseeinheit für einen Motorschutzschalter eines Elektromotors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114078A (en) * 1956-06-05 1963-12-10 Bbc Brown Boveri & Cie Amplifier apparatus for measuring currents and/or voltages on high voltage transmission lines
US3299322A (en) * 1965-08-09 1967-01-17 Mechanical Products Inc Electronic circuit protector
US3555354A (en) * 1969-03-11 1971-01-12 Gen Electric Alternating current circuit breaker having a control for timing opening relative to the current wave
FR2134287B1 (ja) * 1971-04-30 1974-03-08 Schlumberger Compteurs
US4012669A (en) * 1975-08-29 1977-03-15 Envirotech Corporation Electronic overload detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113922499A (zh) * 2021-09-15 2022-01-11 国网重庆市电力公司营销服务中心 一种发电厂电流互感器变比自适应切换方法与系统

Also Published As

Publication number Publication date
JPS6156684B2 (ja) 1986-12-03
EP0019904B1 (de) 1984-08-29
DE3069057D1 (en) 1984-10-04
ATE9192T1 (de) 1984-09-15
EP0019904A1 (de) 1980-12-10

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