GB0912281D0 - Electrical switchgear - Google Patents

Electrical switchgear

Info

Publication number
GB0912281D0
GB0912281D0 GB0912281A GB0912281A GB0912281D0 GB 0912281 D0 GB0912281 D0 GB 0912281D0 GB 0912281 A GB0912281 A GB 0912281A GB 0912281 A GB0912281 A GB 0912281A GB 0912281 D0 GB0912281 D0 GB 0912281D0
Authority
GB
United Kingdom
Prior art keywords
electrical switchgear
switchgear
electrical
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.)
Withdrawn
Application number
GB0912281A
Other versions
GB2471864A (en
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.)
LUCY AND CO Ltd W
Original Assignee
LUCY AND CO Ltd W
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 LUCY AND CO Ltd W filed Critical LUCY AND CO Ltd W
Priority to GB0912281A priority Critical patent/GB2471864A/en
Publication of GB0912281D0 publication Critical patent/GB0912281D0/en
Priority to GB1005085A priority patent/GB2471925A/en
Publication of GB2471864A publication Critical patent/GB2471864A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum
    • 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
    • H01H2033/566—Avoiding the use of SF6
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
    • 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
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
GB0912281A 2009-07-15 2009-07-15 Vacuum circuit breaker surrounded by fluid Withdrawn GB2471864A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0912281A GB2471864A (en) 2009-07-15 2009-07-15 Vacuum circuit breaker surrounded by fluid
GB1005085A GB2471925A (en) 2009-07-15 2010-03-26 Electrical switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0912281A GB2471864A (en) 2009-07-15 2009-07-15 Vacuum circuit breaker surrounded by fluid

Publications (2)

Publication Number Publication Date
GB0912281D0 true GB0912281D0 (en) 2009-08-26
GB2471864A GB2471864A (en) 2011-01-19

Family

ID=41057988

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0912281A Withdrawn GB2471864A (en) 2009-07-15 2009-07-15 Vacuum circuit breaker surrounded by fluid
GB1005085A Withdrawn GB2471925A (en) 2009-07-15 2010-03-26 Electrical switchgear

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1005085A Withdrawn GB2471925A (en) 2009-07-15 2010-03-26 Electrical switchgear

Country Status (1)

Country Link
GB (2) GB2471864A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938347A (en) * 2012-10-19 2013-02-20 宁波鑫鑫鑫寅电气有限公司 Detachable fixation and encapsulation pole terminal and manufacturing method thereof
CN103594278B (en) * 2013-11-29 2016-01-20 国家电网公司 A kind of sulfur hexafluoride loading switch
CN104299839B (en) * 2014-10-20 2016-11-30 苏州科陆东自电气有限公司 A kind of high-voltage alternating-current vacuum circuit breaker on outdoor column

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326074A (en) * 1939-09-20 1943-08-03 Westinghouse Electric & Mfg Co Circuit interrupter
US3300609A (en) * 1963-05-15 1967-01-24 Ass Elect Ind Switchgear for high voltage power circuits with removable vacuum switch units
GB1126362A (en) * 1965-07-06 1968-09-05 Ass Elect Ind Improvements in and relating to electric circuit breakers
GB1162372A (en) * 1965-09-30 1969-08-27 English Electric Co Ltd Improvements in or relating to Vacuum switches
JPS4945434B1 (en) * 1968-11-22 1974-12-04
US3819892A (en) * 1972-11-30 1974-06-25 Gen Electric Fail safe vacuum type circuit interrupter and associated load current tap changer for electric induction apparatus

Also Published As

Publication number Publication date
GB2471864A (en) 2011-01-19
GB201005085D0 (en) 2010-05-12
GB2471925A (en) 2011-01-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)