CA1008907A - Vacuum-type circuit interrupters having an axial magnetic field produced by condensing shield coils - Google Patents

Vacuum-type circuit interrupters having an axial magnetic field produced by condensing shield coils

Info

Publication number
CA1008907A
CA1008907A CA207,689A CA207689A CA1008907A CA 1008907 A CA1008907 A CA 1008907A CA 207689 A CA207689 A CA 207689A CA 1008907 A CA1008907 A CA 1008907A
Authority
CA
Canada
Prior art keywords
vacuum
magnetic field
field produced
type circuit
axial magnetic
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
Application number
CA207,689A
Other versions
CA207689S (en
Inventor
Richard L. Hundstad
Clive W. Kimblin
Werner S. Emmerich
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1008907A publication Critical patent/CA1008907A/en
Expired 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • 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
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66269—Details relating to the materials used for screens in 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
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66292—Details relating to the use of multiple screens in 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
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
CA207,689A 1973-09-14 1974-08-23 Vacuum-type circuit interrupters having an axial magnetic field produced by condensing shield coils Expired CA1008907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US397564A US3889079A (en) 1973-09-14 1973-09-14 Vacuum-type circuit interrupters having an axial magnetic field produced by condensing shield coils

Publications (1)

Publication Number Publication Date
CA1008907A true CA1008907A (en) 1977-04-19

Family

ID=23571701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,689A Expired CA1008907A (en) 1973-09-14 1974-08-23 Vacuum-type circuit interrupters having an axial magnetic field produced by condensing shield coils

Country Status (6)

Country Link
US (1) US3889079A (en)
JP (1) JPS5055869A (en)
CA (1) CA1008907A (en)
CH (1) CH585958A5 (en)
DE (1) DE2442936A1 (en)
GB (1) GB1482961A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103291A (en) * 1976-09-30 1978-07-25 Howe Francis M Leak sensor and indicating system for vacuum circuit interrupters
DE3304803A1 (en) * 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Vacuum switch, especially a medium-voltage load-interruptor switch
DE8534022U1 (en) * 1985-12-03 1987-06-11 Siemens AG, 1000 Berlin und 8000 München Vacuum interrupter
DE4021945C2 (en) * 1990-07-10 1999-12-30 Alstom Sachsenwerk Gmbh Switching device for interrupting fault currents
DE4033811A1 (en) * 1990-10-24 1992-04-30 Sachsenwerk Ag Vacuum switch with inner and outer connecting conductors - has coil built into housing and surrounded immediately by fixed contact over which current is distributed
US8319136B2 (en) * 2010-06-29 2012-11-27 Schneider Electric USA, Inc. Arcing fault and arc flash protection system having a high-speed switch
CN102355790A (en) * 2011-09-28 2012-02-15 南京创能电力科技开发有限公司 Plasma high-frequency arc generator
US9031795B1 (en) * 2011-12-13 2015-05-12 Finley Lee Ledbetter Electromagnetic test device to predict a usable life of a vacuum interrupter in the field
US9842713B2 (en) 2016-03-30 2017-12-12 Eaton Corporation Vacuum circuit interrupter
CN111613477B (en) * 2020-05-20 2022-04-15 宁波益舜电气有限公司 Shielding cylinder and production process thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2036099C3 (en) * 1970-07-16 1974-08-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vacuum circuit breaker

Also Published As

Publication number Publication date
GB1482961A (en) 1977-08-17
DE2442936A1 (en) 1975-03-20
JPS5055869A (en) 1975-05-16
US3889079A (en) 1975-06-10
CH585958A5 (en) 1977-03-15

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