CH509004A - Switching device for current limitation - Google Patents

Switching device for current limitation

Info

Publication number
CH509004A
CH509004A CH716770A CH716770A CH509004A CH 509004 A CH509004 A CH 509004A CH 716770 A CH716770 A CH 716770A CH 716770 A CH716770 A CH 716770A CH 509004 A CH509004 A CH 509004A
Authority
CH
Switzerland
Prior art keywords
switching device
current limitation
limitation
current
switching
Prior art date
Application number
CH716770A
Other languages
German (de)
Inventor
Fritz Dr Kesselring
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH509004A publication Critical patent/CH509004A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • 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
    • H01H33/002—Very heavy-current switches
    • H01H33/004—Very heavy-current switches making use of superconducting contacts
    • 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
    • H01H33/161—Variable impedances
    • 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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/285—Power arrangements internal to the switch for operating the driving mechanism using electro-dynamic repulsion
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H01H2033/163—Variable impedances using PTC elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
CH716770A 1969-05-23 1970-05-14 Switching device for current limitation CH509004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1926972A DE1926972C3 (en) 1969-05-23 1969-05-23 Switching device for current limitation

Publications (1)

Publication Number Publication Date
CH509004A true CH509004A (en) 1971-06-15

Family

ID=5735309

Family Applications (1)

Application Number Title Priority Date Filing Date
CH716770A CH509004A (en) 1969-05-23 1970-05-14 Switching device for current limitation

Country Status (3)

Country Link
US (1) US3617807A (en)
CH (1) CH509004A (en)
DE (1) DE1926972C3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647590A1 (en) * 1989-05-26 1990-11-30 Alsthom Gec Superconducting current-limiting transformer
FR2657194B1 (en) * 1990-01-17 1993-12-31 Gec Alsthom Sa LOW-SURGE REACTOR CIRCUIT BREAKER.
FR2666912B1 (en) * 1990-09-14 1992-10-16 Alsthom Gec SUPERCONDUCTOR CURRENT LIMITING DEVICE.
US5373205A (en) * 1992-12-29 1994-12-13 Cincinnati Milacron Inc. Method and apparatus for limiting motor current
DE19756624A1 (en) * 1997-12-19 1999-07-01 Abb Research Ltd Overcurrent limiting device has series circuit of superconductor and switch in parallel with inductive impedance comprising choke coil and superconductor arranged outside choke coil
GB0621714D0 (en) * 2006-11-01 2006-12-13 Rolls Royce Plc An electrical current limiter

Also Published As

Publication number Publication date
US3617807A (en) 1971-11-02
DE1926972C3 (en) 1975-07-24
DE1926972A1 (en) 1970-11-26
DE1926972B2 (en) 1974-12-19

Similar Documents

Publication Publication Date Title
AT306839B (en) Switching device
AR199099A1 (en) ELECTRIC SWITCHING CHRONIZER DEVICE
AT304685B (en) Small switch
DE1928294B2 (en) ELECTRIC SWITCHING DEVICE
DE2046252B2 (en) ELECTRIC SWITCHING DEVICE
CH509004A (en) Switching device for current limitation
BR7016044D0 (en) ELECTRONIC SWITCHING DEVICE
DE2023872B2 (en) ELECTRICAL SWITCHING DEVICE
DE1954979B2 (en) CURRENT LIMITING DEVICE
DE2060990B2 (en) ELECTRICAL SWITCHING DEVICE WITH QUICK RELEASE
CH489126A (en) Switching device
CH513504A (en) Electrical switching device
CH539332A (en) Switching device
DE1811489B2 (en) DEVICE FOR SWITCHING ELECTRIC CIRCUITS
AT285713B (en) Switching device
DK137357B (en) Electrical switch with snap system.
AT291378B (en) Earthing switch
BE746854A (en) SEMICONDUCTOR SWITCHING DEVICE
NL164996B (en) PRESSURE-RESISTANT ELECTRICAL SWITCHING DEVICE.
AT262430B (en) Electrical switching device
AT312322B (en) Switching device
AT324482B (en) SWITCHING DEVICE
CH497776A (en) High voltage switch
CH509645A (en) Weak current switch contact
AT300934B (en) Electromagnetic switching device

Legal Events

Date Code Title Description
PL Patent ceased