GB858385A - Electrical switchgear for use in three-phase a.c. systems - Google Patents

Electrical switchgear for use in three-phase a.c. systems

Info

Publication number
GB858385A
GB858385A GB19918/58A GB1991858A GB858385A GB 858385 A GB858385 A GB 858385A GB 19918/58 A GB19918/58 A GB 19918/58A GB 1991858 A GB1991858 A GB 1991858A GB 858385 A GB858385 A GB 858385A
Authority
GB
United Kingdom
Prior art keywords
phase
phases
bridges
june
break
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
GB19918/58A
Other languages
English (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB858385A publication Critical patent/GB858385A/en
Expired 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/62—Contacts actuated by radial cams
    • H01H19/626—Contacts actuated by radial cams actuating bridging contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Circuit Breakers (AREA)
GB19918/58A 1957-06-28 1958-06-20 Electrical switchgear for use in three-phase a.c. systems Expired GB858385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT858385X 1957-06-28

Publications (1)

Publication Number Publication Date
GB858385A true GB858385A (en) 1961-01-11

Family

ID=3682307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19918/58A Expired GB858385A (en) 1957-06-28 1958-06-20 Electrical switchgear for use in three-phase a.c. systems

Country Status (4)

Country Link
US (1) US2882372A (enrdf_load_stackoverflow)
BE (1) BE568871A (enrdf_load_stackoverflow)
DE (1) DE1051357B (enrdf_load_stackoverflow)
GB (1) GB858385A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124669A (en) * 1959-09-23 1964-03-10 peroun
DE1176231B (de) * 1960-03-25 1964-08-20 Licentia Gmbh Schalteinrichtung fuer p-phasigen Wechselstrom
US3243558A (en) * 1963-05-29 1966-03-29 Cutler Hammer Inc High voltage three-phase circuit breaker module
DE2448635A1 (de) * 1974-10-11 1976-04-15 Kraftwerk Union Ag Einrichtung zur drehmomentbegrenzung in einer turbinen-generatorwelle
NL172899C (nl) * 1977-12-14 1983-11-01 Hazemeijer Bv Schakelwijze voor het met een vacuumschakelaar of dergelijke schakelaar schakelen in een driefasig hoogspanningscircuit alsmede hierbij toepasbare schakelaar.
US4628393A (en) * 1977-12-14 1986-12-09 Hazemeijer B.V. Method for switching in a three-phase high voltage circuit
DE3143430C2 (de) * 1981-11-02 1984-05-24 Siemens AG, 1000 Berlin und 8000 München Drehstromschaltgerät für einen an drei Phasen anzuschließenden Verbraucher
DE3306926A1 (de) * 1983-02-26 1984-08-30 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co, 5144 Wegberg Mittelspannungs-lasttrennschalter
DE3332684A1 (de) * 1983-09-10 1985-03-28 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co, 5144 Wegberg Mittelspannungs-lasttrennschalter
DE3833166A1 (de) * 1988-09-27 1990-03-29 Siemens Ag Verfahren zum betrieb eines leistungsschalters
DE4105698C2 (de) * 1991-02-21 1997-06-19 Eaw Relaistechnik Gmbh Verfahren zum Betrieb eines dreipoligen Vakuumschützes mit Gruppenantrieb
DE19638753C2 (de) * 1996-09-13 2002-04-18 Eckehard Gebauer Schütz, vorzugsweise Vakuumschütz
DE19639064C2 (de) * 1996-09-16 2001-05-31 Eaw Relaistechnik Gmbh Elektromagnetisch betätigtes, dreipolig symmetrisch aufgebautes Schütz

Also Published As

Publication number Publication date
BE568871A (enrdf_load_stackoverflow) 1900-01-01
US2882372A (en) 1959-04-14
DE1051357B (de) 1959-02-26

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