FR2050453A1 - - Google Patents

Info

Publication number
FR2050453A1
FR2050453A1 FR7024554A FR7024554A FR2050453A1 FR 2050453 A1 FR2050453 A1 FR 2050453A1 FR 7024554 A FR7024554 A FR 7024554A FR 7024554 A FR7024554 A FR 7024554A FR 2050453 A1 FR2050453 A1 FR 2050453A1
Authority
FR
France
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
FR7024554A
Other languages
French (fr)
Other versions
FR2050453B1 (enrdf_load_stackoverflow
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of FR2050453A1 publication Critical patent/FR2050453A1/fr
Application granted granted Critical
Publication of FR2050453B1 publication Critical patent/FR2050453B1/fr
Expired 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
    • H02H1/043—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 to inrush currents
    • 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
    • H02H7/04—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 transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR7024554A 1969-07-02 1970-07-02 Expired FR2050453B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3336269 1969-07-02
GB3984769 1969-08-08

Publications (2)

Publication Number Publication Date
FR2050453A1 true FR2050453A1 (enrdf_load_stackoverflow) 1971-04-02
FR2050453B1 FR2050453B1 (enrdf_load_stackoverflow) 1974-12-20

Family

ID=26261838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7024554A Expired FR2050453B1 (enrdf_load_stackoverflow) 1969-07-02 1970-07-02

Country Status (2)

Country Link
US (1) US3657605A (enrdf_load_stackoverflow)
FR (1) FR2050453B1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109330A1 (de) * 1981-03-12 1982-09-23 Hartmann & Braun Ag, 6000 Frankfurt Schaltungsanordnung zur speisung von ueberstromzeitrelais

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566008A5 (enrdf_load_stackoverflow) * 1973-12-14 1975-08-29 Secheron Atel
CH566009A5 (enrdf_load_stackoverflow) * 1973-12-14 1975-08-29 Secheron Atel
US3906309A (en) * 1974-01-15 1975-09-16 Honeywell Inf Systems Overcurrent sensor
JPS5183147A (enrdf_load_stackoverflow) * 1975-01-20 1976-07-21 Tokyo Shibaura Electric Co
US4152744A (en) * 1977-06-17 1979-05-01 Gould Inc. Solid state tripping circuit
KR910003885A (ko) * 1989-07-03 1991-02-28 김인석 정한시성 과전류 계전기
US5627712A (en) * 1990-04-19 1997-05-06 General Electric Company Transformer differential relay
US6757146B2 (en) * 2002-05-31 2004-06-29 Schweitzer Engineering Laboratories, Inc. Instantaneous overcurrent element for heavily saturated current in a power system
CN103675415B (zh) * 2012-08-31 2017-03-01 西门子公司 励磁涌流检测方法、励磁涌流制动方法及其装置
CN105244860B (zh) * 2015-10-10 2018-02-16 国家电网公司 一种基于正序导纳的差动保护方法
DE102016124638A1 (de) * 2016-12-16 2018-06-21 Eaton Industries (Austria) Gmbh Überstrom- und Kurzschlussdetektor
US10495680B2 (en) 2017-06-14 2019-12-03 Schweitzer Engineering Laboratories, Inc. Systems and methods for detecting current transformer ultrasaturation to enhance relay security and dependability

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1418748A (fr) * 1964-12-28 1965-11-19 Asea Ab Protection différentielle pour les transformateurs
FR1572076A (enrdf_load_stackoverflow) * 1967-08-03 1969-06-20

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202876A (en) * 1961-08-01 1965-08-24 Gen Electric Electric supervising means
US3262017A (en) * 1962-11-01 1966-07-19 Allis Chalmers Mfg Co Static overcurrent tripping device
US3419757A (en) * 1966-04-08 1968-12-31 Gen Electric Overcurrent protective means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1418748A (fr) * 1964-12-28 1965-11-19 Asea Ab Protection différentielle pour les transformateurs
FR1572076A (enrdf_load_stackoverflow) * 1967-08-03 1969-06-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109330A1 (de) * 1981-03-12 1982-09-23 Hartmann & Braun Ag, 6000 Frankfurt Schaltungsanordnung zur speisung von ueberstromzeitrelais

Also Published As

Publication number Publication date
FR2050453B1 (enrdf_load_stackoverflow) 1974-12-20
US3657605A (en) 1972-04-18

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