CH236475A - Method and device for regulating and / or interrupting electrical currents. - Google Patents

Method and device for regulating and / or interrupting electrical currents.

Info

Publication number
CH236475A
CH236475A CH236475DA CH236475A CH 236475 A CH236475 A CH 236475A CH 236475D A CH236475D A CH 236475DA CH 236475 A CH236475 A CH 236475A
Authority
CH
Switzerland
Prior art keywords
regulating
electrical currents
interrupting electrical
interrupting
currents
Prior art date
Application number
Other languages
German (de)
Inventor
Hermes Patentverwertun Haftung
Original Assignee
Hermes Patentverwertungs 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 Hermes Patentverwertungs Gmbh filed Critical Hermes Patentverwertungs Gmbh
Publication of CH236475A publication Critical patent/CH236475A/en

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
    • H01H33/02—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
    • H01H33/04—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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the ac cycle
    • 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)
CH236475D 1937-12-31 1938-12-27 Method and device for regulating and / or interrupting electrical currents. CH236475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236475X 1937-12-31

Publications (1)

Publication Number Publication Date
CH236475A true CH236475A (en) 1945-02-15

Family

ID=5902061

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236475D CH236475A (en) 1937-12-31 1938-12-27 Method and device for regulating and / or interrupting electrical currents.

Country Status (4)

Country Link
BE (1) BE431914A (en)
CH (1) CH236475A (en)
DK (1) DK63640C (en)
FR (2) FR862283A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740818C (en) * 1942-02-27 1943-10-28 Ing Karl Kesl Resistance switch, especially for low frequency alternating current
DE969067C (en) * 1943-02-18 1958-04-30 Aeg Electric circuit breaker
BE519760A (en) * 1952-05-07
DE1023109B (en) * 1955-11-23 1958-01-23 Siemens Ag Resistor for electrical switch
US3019368A (en) * 1956-03-29 1962-01-30 Osborne William Lionel Voltage regulator
DE1109240B (en) * 1957-03-29 1961-06-22 Siemens Ag Switching device for switching off DC and AC circuits, in which resistance is switched into the circuit by means of moving current collectors

Also Published As

Publication number Publication date
FR862283A (en) 1941-03-10
BE431914A (en) 1939-01-31
DK63640C (en) 1945-06-25
FR51436E (en) 1942-06-24

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