CH476391A - Switching arrangement for maintaining a drop-out delay of at least one electromagnetic switching device operated with alternating current in the event of brief network disturbances - Google Patents

Switching arrangement for maintaining a drop-out delay of at least one electromagnetic switching device operated with alternating current in the event of brief network disturbances

Info

Publication number
CH476391A
CH476391A CH1147568A CH1147568A CH476391A CH 476391 A CH476391 A CH 476391A CH 1147568 A CH1147568 A CH 1147568A CH 1147568 A CH1147568 A CH 1147568A CH 476391 A CH476391 A CH 476391A
Authority
CH
Switzerland
Prior art keywords
event
drop
maintaining
alternating current
device operated
Prior art date
Application number
CH1147568A
Other languages
German (de)
Inventor
Orth Arthur
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH476391A publication Critical patent/CH476391A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/18—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for introducing delay in the operation of the relay
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
    • 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
    • H02H3/24—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 responsive to undervoltage or no-voltage
    • H02H3/247—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 responsive to undervoltage or no-voltage having timing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
CH1147568A 1967-08-03 1968-07-31 Switching arrangement for maintaining a drop-out delay of at least one electromagnetic switching device operated with alternating current in the event of brief network disturbances CH476391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0093784 1967-08-03

Publications (1)

Publication Number Publication Date
CH476391A true CH476391A (en) 1969-07-31

Family

ID=6987156

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1147568A CH476391A (en) 1967-08-03 1968-07-31 Switching arrangement for maintaining a drop-out delay of at least one electromagnetic switching device operated with alternating current in the event of brief network disturbances

Country Status (2)

Country Link
CH (1) CH476391A (en)
DE (1) DE1615776A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836828A1 (en) 1998-08-13 2000-02-17 Siemens Ag Undervoltage release

Also Published As

Publication number Publication date
DE1615776A1 (en) 1970-06-04

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Legal Events

Date Code Title Description
PL Patent ceased