FR2441915A1 - DEVICE FOR CONTROLLING THE DEVELOPMENT OF ELECTRIC ARCS IN A DC CIRCUIT BREAKER - Google Patents

DEVICE FOR CONTROLLING THE DEVELOPMENT OF ELECTRIC ARCS IN A DC CIRCUIT BREAKER

Info

Publication number
FR2441915A1
FR2441915A1 FR7927785A FR7927785A FR2441915A1 FR 2441915 A1 FR2441915 A1 FR 2441915A1 FR 7927785 A FR7927785 A FR 7927785A FR 7927785 A FR7927785 A FR 7927785A FR 2441915 A1 FR2441915 A1 FR 2441915A1
Authority
FR
France
Prior art keywords
rods
permanent magnets
development
controlling
electrically conductive
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.)
Pending
Application number
FR7927785A
Other languages
French (fr)
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2441915A1 publication Critical patent/FR2441915A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc

Abstract

The device contains two permanent magnets (6, 7) which are in the form of rods and are oriented magnetically in reverse directions. These permanent magnets (6, 7) ensure good blasting of the arc even at low currents and when the current direction is changing. The permanent magnets (6, 7) can be protected by means of an electrically conductive coating. Outside the permanent magnets (6, 7), the device can also contain further electrically conductive rods (8), or rods (8) which are provided with electrically conductive coatings, which rods (8) assist in passing the arc on into the extinguishing system (9).
FR7927785A 1978-11-15 1979-11-12 DEVICE FOR CONTROLLING THE DEVELOPMENT OF ELECTRIC ARCS IN A DC CIRCUIT BREAKER Pending FR2441915A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1172778A CH632867A5 (en) 1978-11-15 1978-11-15 Device for influencing the arc development in a DC circuit breaker

Publications (1)

Publication Number Publication Date
FR2441915A1 true FR2441915A1 (en) 1980-06-13

Family

ID=4376319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927785A Pending FR2441915A1 (en) 1978-11-15 1979-11-12 DEVICE FOR CONTROLLING THE DEVELOPMENT OF ELECTRIC ARCS IN A DC CIRCUIT BREAKER

Country Status (4)

Country Link
CH (1) CH632867A5 (en)
DE (1) DE2851560A1 (en)
FR (1) FR2441915A1 (en)
IT (1) IT1124960B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632772A1 (en) * 1988-06-10 1989-12-15 Merlin Gerin Low-voltage circuit breaker with magnetic blasting of the arc by a permanent magnet
EP1551048A1 (en) * 2003-12-29 2005-07-06 Siemens Aktiengesellschaft Current limiting device
EP2608234A1 (en) * 2011-12-22 2013-06-26 Eaton Industries GmbH Direct current circuit breaker
EP3048626A1 (en) * 2015-01-22 2016-07-27 Schaltbau GmbH Switching device with permanent magnetic arc extinction

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8847096B2 (en) * 2012-09-05 2014-09-30 Eaton Corporation Single direct current arc chute, and bi-directional direct current electrical switching apparatus employing the same
DE102014004455B4 (en) * 2014-03-27 2021-10-07 Schaltbau Gmbh Electrical switching device with improved arc extinguishing device and method for manufacturing such switching device
CN107195493B (en) * 2017-06-14 2019-06-14 上海立新电器控制设备有限公司 A kind of high pressure arc-extinguish chamber

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR644070A (en) * 1926-11-18 1928-10-02 Brown Arc breaking chamber for electric switches operating in air
US2417134A (en) * 1945-01-12 1947-03-11 Ite Circuit Breaker Ltd Arc chute
DE1007409B (en) * 1954-03-22 1957-05-02 Siemens Ag Arc extinguishing chamber
DE1140997B (en) * 1959-08-07 1962-12-13 Continental Elektro Ind Ag Arc extinguishing device for AC and DC switchgear
FR1322014A (en) * 1961-05-17 1963-03-22 Brown Arc extinguishing device for electrical switches
DE1146159B (en) * 1959-04-21 1963-03-28 Hugo Miebach G M B H Arc chamber for electrical switchgear with permanent blowing magnets
FR1361227A (en) * 1962-12-06 1964-05-15 Stotz Kontakt Gmbh Arc extinguishing device with permanent magnet
GB1254236A (en) * 1969-01-17 1971-11-17 Square D Co Stationary electrical contact assembly with permanent magnet blowouts

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR644070A (en) * 1926-11-18 1928-10-02 Brown Arc breaking chamber for electric switches operating in air
US2417134A (en) * 1945-01-12 1947-03-11 Ite Circuit Breaker Ltd Arc chute
DE1007409B (en) * 1954-03-22 1957-05-02 Siemens Ag Arc extinguishing chamber
DE1146159B (en) * 1959-04-21 1963-03-28 Hugo Miebach G M B H Arc chamber for electrical switchgear with permanent blowing magnets
DE1140997B (en) * 1959-08-07 1962-12-13 Continental Elektro Ind Ag Arc extinguishing device for AC and DC switchgear
FR1322014A (en) * 1961-05-17 1963-03-22 Brown Arc extinguishing device for electrical switches
FR1361227A (en) * 1962-12-06 1964-05-15 Stotz Kontakt Gmbh Arc extinguishing device with permanent magnet
CH408159A (en) * 1962-12-06 1966-02-28 Bbc Brown Boveri & Cie Arc extinguishing device with permanent magnet for DC switching devices
GB1254236A (en) * 1969-01-17 1971-11-17 Square D Co Stationary electrical contact assembly with permanent magnet blowouts

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632772A1 (en) * 1988-06-10 1989-12-15 Merlin Gerin Low-voltage circuit breaker with magnetic blasting of the arc by a permanent magnet
EP1551048A1 (en) * 2003-12-29 2005-07-06 Siemens Aktiengesellschaft Current limiting device
EP2608234A1 (en) * 2011-12-22 2013-06-26 Eaton Industries GmbH Direct current circuit breaker
WO2013092348A1 (en) * 2011-12-22 2013-06-27 Eaton Electrical Ip Gmbh & Co. Kg Switching device which is suitable for dc operation
US9552943B2 (en) 2011-12-22 2017-01-24 Eaton Electrical Ip Gmbh & Co. Kg Switching device which is suitable for DC operation
EP3048626A1 (en) * 2015-01-22 2016-07-27 Schaltbau GmbH Switching device with permanent magnetic arc extinction
EP3157032A1 (en) * 2015-01-22 2017-04-19 Schaltbau GmbH Switching device with permanent magnetic arc extinction
RU2629563C2 (en) * 2015-01-22 2017-08-30 Шальтбау ГмбХ Switching device with the arc extinction with the help of permanent magnets
RU2629563C9 (en) * 2015-01-22 2018-01-19 Шальтбау ГмбХ Switching device with the arc extinction with the help of permanent magnets
US9991073B2 (en) 2015-01-22 2018-06-05 Schaltbau Gmbh Switching device with permanent-magnetic arc extinguishment

Also Published As

Publication number Publication date
IT1124960B (en) 1986-05-14
CH632867A5 (en) 1982-10-29
DE2851560A1 (en) 1980-05-29
IT7927236A0 (en) 1979-11-13

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