NL7003287A - - Google Patents

Info

Publication number
NL7003287A
NL7003287A NL7003287A NL7003287A NL7003287A NL 7003287 A NL7003287 A NL 7003287A NL 7003287 A NL7003287 A NL 7003287A NL 7003287 A NL7003287 A NL 7003287A NL 7003287 A NL7003287 A NL 7003287A
Authority
NL
Netherlands
Application number
NL7003287A
Other versions
NL161292C (nl
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
Priority claimed from CH362269A external-priority patent/CH497081A/de
Application filed filed Critical
Publication of NL7003287A publication Critical patent/NL7003287A/xx
Application granted granted Critical
Publication of NL161292C publication Critical patent/NL161292C/xx

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
    • H01H9/0005—Tap change devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0038—Tap change devices making use of vacuum switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
NL7003287.A 1969-03-11 1970-03-08 Trapschakelinrichting voor een aftaktransformator. NL161292C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH362269A CH497081A (de) 1969-03-11 1969-03-11 Stufenschalteinrichtung für Anzapftransformatoren

Publications (2)

Publication Number Publication Date
NL7003287A true NL7003287A (enrdf_load_stackoverflow) 1970-09-15
NL161292C NL161292C (nl) 1980-01-15

Family

ID=4259933

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7003287.A NL161292C (nl) 1969-03-11 1970-03-08 Trapschakelinrichting voor een aftaktransformator.

Country Status (4)

Country Link
US (1) US3628128A (enrdf_load_stackoverflow)
JP (1) JPS4932565B1 (enrdf_load_stackoverflow)
NL (1) NL161292C (enrdf_load_stackoverflow)
SE (1) SE352980B (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735243A (en) * 1972-04-03 1973-05-22 Gen Electric Control system for tap changer with vacuum interrupter
FR2272377B1 (enrdf_load_stackoverflow) * 1974-05-24 1977-06-24 Texas Instruments France
JPS5133342U (enrdf_load_stackoverflow) * 1974-09-02 1976-03-11
JPS5156973U (enrdf_load_stackoverflow) * 1974-10-28 1976-05-04
JPS5159284A (ja) * 1974-11-20 1976-05-24 Matsushita Electric Ind Co Ltd Hikariketsugosochi
JPS5256566U (enrdf_load_stackoverflow) * 1975-10-22 1977-04-23
US4081741A (en) * 1975-10-29 1978-03-28 Asea Aktiebolag On-load tap changer
JPS53164771U (enrdf_load_stackoverflow) * 1977-05-30 1978-12-23
JPS5412689A (en) * 1977-06-30 1979-01-30 Omron Tateisi Electronics Co Photo coupler
JPS5457885A (en) * 1977-10-17 1979-05-10 Omron Tateisi Electronics Co Reflection type photo coupler
JPS5630774A (en) * 1979-08-23 1981-03-27 Fujitsu General Ltd Optical coupler
US4384247A (en) * 1981-05-08 1983-05-17 Trw Inc. Under-load switching device particularly adapted for voltage regulation and balance
DE4237242A1 (de) * 1992-05-15 1994-05-05 Reinhausen Maschf Scheubeck Stufenschalter für einen vorzugsweise gießharzisolierten Stufentransformator
HU215624B (hu) * 1992-07-16 1999-01-28 Maschinenfabrik Reinhausen Gmbh. Fokozatkapcsoló

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1262054A (fr) * 1960-04-15 1961-05-26 Acec Sélecteurs de prises pour commutateurs de réglage en charge de la tension des transformateurs
US3206580A (en) * 1962-08-28 1965-09-14 Gen Electric Fluid immersed tap changing switching system for transformers
CH403075A (de) * 1963-09-27 1965-11-30 Bbc Brown Boveri & Cie Stufenschalteinrichtung für Regeltransformatoren
GB1166617A (en) * 1965-12-01 1969-10-08 English Electric Co Ltd Improvements in or relating to Tapchanging Arrangements

Also Published As

Publication number Publication date
US3628128A (en) 1971-12-14
SE352980B (enrdf_load_stackoverflow) 1973-01-15
NL161292C (nl) 1980-01-15
JPS4932565B1 (enrdf_load_stackoverflow) 1974-08-31

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: BBC AG