GB996605A - Improvements in switchgear for performing on-load switching operations - Google Patents

Improvements in switchgear for performing on-load switching operations

Info

Publication number
GB996605A
GB996605A GB3854961A GB3854961A GB996605A GB 996605 A GB996605 A GB 996605A GB 3854961 A GB3854961 A GB 3854961A GB 3854961 A GB3854961 A GB 3854961A GB 996605 A GB996605 A GB 996605A
Authority
GB
United Kingdom
Prior art keywords
carrier
contacts
switch
oct
sequence
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
GB3854961A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB996605A publication Critical patent/GB996605A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • 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
    • H01H9/0005—Tap change devices
    • H01H9/0016—Contact arrangements for tap changers

Landscapes

  • Slide Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

996,605. Transformer tap changers. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. Oct. 27, 1961 [Oct. 28, 1960], No. 38549/61. Heading H2B. An on load tap changing switch comprises a single rectilinearly moving contact carrier 12 carrying spring-loaded butt contacts 19, 23 having differing stroke lengths to determine a sequence of tap changing operations through a plurality of resistances. The switch is operated by a crank 8 and connecting rod 7 coupled by a spring straining quick action device 4, 11, 14, 15 to the carrier 12. Motion of the carrier is damped to stop contact bounce by means of plates 26, 27 (Fig. 2, not shown) which have variable sized apertures to reduce air displacement. The contacts 19, 23 are mounted on hollow pistons 20 telescopically displaceable against helical springs 21 in guide cylinders 22 attached to the carrier. The stroke length of the pistons 20 in cylinders 22 determines the displacement of the carrier required to make or break the contacts and by arranging for different stroke lengths in the two halves of the switch a sequence of switching operations is obtained (Fig. 3, not shown).
GB3854961A 1960-10-28 1961-10-27 Improvements in switchgear for performing on-load switching operations Expired GB996605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL37378A DE1140999B (en) 1960-10-28 1960-10-28 Diverter switch with linearly movable contact carriers and with contact pieces that are springy in the direction of movement

Publications (1)

Publication Number Publication Date
GB996605A true GB996605A (en) 1965-06-30

Family

ID=7267873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3854961A Expired GB996605A (en) 1960-10-28 1961-10-27 Improvements in switchgear for performing on-load switching operations

Country Status (2)

Country Link
DE (1) DE1140999B (en)
GB (1) GB996605A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019818A1 (en) * 1993-02-19 1994-09-01 Zhaojin Pan Three-step-type push-button switch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE474613C (en) * 1926-07-13 1929-04-06 Bernhard Jansen Dipl Ing Dr In Device for switching two taps of a step transformer during operation by two circuit breakers moving in opposite directions with pre-contacts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019818A1 (en) * 1993-02-19 1994-09-01 Zhaojin Pan Three-step-type push-button switch

Also Published As

Publication number Publication date
DE1140999B (en) 1962-12-13

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