DE2136292A1 - Schaltung zur Erfassung von Stromaenderungen. - Google Patents

Schaltung zur Erfassung von Stromaenderungen.

Info

Publication number
DE2136292A1
DE2136292A1 DE19712136292 DE2136292A DE2136292A1 DE 2136292 A1 DE2136292 A1 DE 2136292A1 DE 19712136292 DE19712136292 DE 19712136292 DE 2136292 A DE2136292 A DE 2136292A DE 2136292 A1 DE2136292 A1 DE 2136292A1
Authority
DE
Germany
Prior art keywords
circuit according
arrangement
controllable rectifier
current
relay
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.)
Pending
Application number
DE19712136292
Other languages
German (de)
English (en)
Inventor
Gerald N Wheaton Ul OBerto (V St A)
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.)
Lovejoy LLC
Original Assignee
Lovejoy LLC
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 Lovejoy LLC filed Critical Lovejoy LLC
Publication of DE2136292A1 publication Critical patent/DE2136292A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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 excess current
    • H02H3/093Emergency 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 excess current with timing means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02Circuit 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
    • H01H47/18Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/12Emergency 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 underload or no-load
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28Modifications for introducing a time delay before switching
    • H03K17/292Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Protection Of Generators And Motors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Temperature (AREA)
DE19712136292 1970-07-24 1971-07-20 Schaltung zur Erfassung von Stromaenderungen. Pending DE2136292A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5790970A 1970-07-24 1970-07-24

Publications (1)

Publication Number Publication Date
DE2136292A1 true DE2136292A1 (de) 1972-02-03

Family

ID=22013491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712136292 Pending DE2136292A1 (de) 1970-07-24 1971-07-20 Schaltung zur Erfassung von Stromaenderungen.

Country Status (2)

Country Link
JP (1) JPS474227A (OSRAM)
DE (1) DE2136292A1 (OSRAM)

Also Published As

Publication number Publication date
JPS474227A (OSRAM) 1972-03-01

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