GB2252671B - High power switching arrangement - Google Patents

High power switching arrangement

Info

Publication number
GB2252671B
GB2252671B GB9102654A GB9102654A GB2252671B GB 2252671 B GB2252671 B GB 2252671B GB 9102654 A GB9102654 A GB 9102654A GB 9102654 A GB9102654 A GB 9102654A GB 2252671 B GB2252671 B GB 2252671B
Authority
GB
United Kingdom
Prior art keywords
high power
power switching
switching arrangement
arrangement
switching
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 - Fee Related
Application number
GB9102654A
Other versions
GB2252671A (en
GB9102654D0 (en
Inventor
David Albert Webb
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.)
Long and Crawford Ltd
Original Assignee
Long and Crawford 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 Long and Crawford Ltd filed Critical Long and Crawford Ltd
Priority to GB9102654A priority Critical patent/GB2252671B/en
Publication of GB9102654D0 publication Critical patent/GB9102654D0/en
Publication of GB2252671A publication Critical patent/GB2252671A/en
Application granted granted Critical
Publication of GB2252671B publication Critical patent/GB2252671B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
    • H01H9/043—Explosion-proof cases with pressure-relief devices
    • 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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • 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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H2033/568—Gas reservoirs with overpressure release, e.g. rupture membranes
GB9102654A 1991-02-07 1991-02-07 High power switching arrangement Expired - Fee Related GB2252671B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9102654A GB2252671B (en) 1991-02-07 1991-02-07 High power switching arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9102654A GB2252671B (en) 1991-02-07 1991-02-07 High power switching arrangement

Publications (3)

Publication Number Publication Date
GB9102654D0 GB9102654D0 (en) 1991-03-27
GB2252671A GB2252671A (en) 1992-08-12
GB2252671B true GB2252671B (en) 1994-08-03

Family

ID=10689698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9102654A Expired - Fee Related GB2252671B (en) 1991-02-07 1991-02-07 High power switching arrangement

Country Status (1)

Country Link
GB (1) GB2252671B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268831B (en) * 1992-07-17 1996-04-24 Square D Co Improvements relating to circuit breakers
GB2305544A (en) * 1995-09-25 1997-04-09 Gec Alsthom T & D Long & Crawf High power switching arrangement
US5710402A (en) * 1996-07-30 1998-01-20 Abb Power T&D Company Inc. Arc-resistant switchgear enclosure employing a toggle flap venting system
FR2786944B1 (en) * 1998-12-07 2003-09-19 Soule Materiel Electr IMPROVEMENTS IN ELECTRIC SWITCHING DEVICES FOR MEDIUM AND HIGH VOLTAGE
DE10114743C1 (en) * 2001-03-20 2002-11-28 Siemens Ag Electrical switchgear with one ventilation device and ventilation device with two ventilation elements
DE102008024069A1 (en) * 2008-05-17 2009-11-26 Areva Energietechnik Gmbh Electrical switching unit, in particular for the medium-voltage range
DE102008047281B4 (en) * 2008-09-16 2010-07-08 Howaldtswerke-Deutsche Werft Gmbh Power switching device
CN113223813B (en) * 2021-05-06 2022-04-26 安徽金环电气设备有限责任公司 Oil-immersed transformer insulation sleeve with warning effect

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB209048A (en) * 1922-12-23 1924-07-03 Vickers Electrical Co Ltd Improvements in or relating to tanks for electrical and other apparatus
GB219527A (en) * 1923-09-12 1924-07-31 Westinghouse Electric & Mfg Co Improvements in or relating to circuit-breakers and the like
GB274553A (en) * 1926-04-20 1927-07-20 Diamond Coal Cutter Company Lt Improvements in or relating to the ventilation or pressure relief of fireproof electrical apparatus
GB380165A (en) * 1931-06-20 1932-09-15 Alfred Meredith Improvements in boxes, containers, covers and the like for enclosing electrical or mechanical devices liable to produce sparks
GB722248A (en) * 1952-12-23 1955-01-19 Allis Chalmers Mfg Co Cross gas blast electric circuit breaker
GB750374A (en) * 1953-02-06 1956-06-13 Licentia Gmbh A plate-type protective device for flame-proof casings of electrical apparatus
GB948698A (en) * 1961-03-27 1964-02-05 Westinghouse Electric Corp Gas-blast electric circuit interrupters
GB1026435A (en) * 1964-03-09 1966-04-20 S & C Electric Co Pressure relief means
GB1278050A (en) * 1968-07-12 1972-06-14 Rotax Ltd Flameproof enclosures
EP0430446A1 (en) * 1989-12-01 1991-06-05 Northern Engineering Industries Plc Enclosures for electrical switchgear

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB209048A (en) * 1922-12-23 1924-07-03 Vickers Electrical Co Ltd Improvements in or relating to tanks for electrical and other apparatus
GB219527A (en) * 1923-09-12 1924-07-31 Westinghouse Electric & Mfg Co Improvements in or relating to circuit-breakers and the like
GB274553A (en) * 1926-04-20 1927-07-20 Diamond Coal Cutter Company Lt Improvements in or relating to the ventilation or pressure relief of fireproof electrical apparatus
GB380165A (en) * 1931-06-20 1932-09-15 Alfred Meredith Improvements in boxes, containers, covers and the like for enclosing electrical or mechanical devices liable to produce sparks
GB722248A (en) * 1952-12-23 1955-01-19 Allis Chalmers Mfg Co Cross gas blast electric circuit breaker
GB750374A (en) * 1953-02-06 1956-06-13 Licentia Gmbh A plate-type protective device for flame-proof casings of electrical apparatus
GB948698A (en) * 1961-03-27 1964-02-05 Westinghouse Electric Corp Gas-blast electric circuit interrupters
GB1026435A (en) * 1964-03-09 1966-04-20 S & C Electric Co Pressure relief means
GB1278050A (en) * 1968-07-12 1972-06-14 Rotax Ltd Flameproof enclosures
EP0430446A1 (en) * 1989-12-01 1991-06-05 Northern Engineering Industries Plc Enclosures for electrical switchgear

Also Published As

Publication number Publication date
GB2252671A (en) 1992-08-12
GB9102654D0 (en) 1991-03-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010207