FR2433253A1 - Relais temporise a maxima - Google Patents

Relais temporise a maxima

Info

Publication number
FR2433253A1
FR2433253A1 FR7920339A FR7920339A FR2433253A1 FR 2433253 A1 FR2433253 A1 FR 2433253A1 FR 7920339 A FR7920339 A FR 7920339A FR 7920339 A FR7920339 A FR 7920339A FR 2433253 A1 FR2433253 A1 FR 2433253A1
Authority
FR
France
Prior art keywords
relay
parameter
value
creates
maxima
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.)
Granted
Application number
FR7920339A
Other languages
English (en)
French (fr)
Other versions
FR2433253B1 (enEXAMPLES
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Publication of FR2433253A1 publication Critical patent/FR2433253A1/fr
Application granted granted Critical
Publication of FR2433253B1 publication Critical patent/FR2433253B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • 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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means
    • H02H3/0935—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 excess current with timing means the timing being determined by numerical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Radio Relay Systems (AREA)
FR7920339A 1978-08-09 1979-08-08 Relais temporise a maxima Granted FR2433253A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7832685 1978-08-09

Publications (2)

Publication Number Publication Date
FR2433253A1 true FR2433253A1 (fr) 1980-03-07
FR2433253B1 FR2433253B1 (enEXAMPLES) 1982-08-27

Family

ID=10498940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920339A Granted FR2433253A1 (fr) 1978-08-09 1979-08-08 Relais temporise a maxima

Country Status (9)

Country Link
US (1) US4321647A (enEXAMPLES)
JP (1) JPS5526100A (enEXAMPLES)
AU (1) AU4967479A (enEXAMPLES)
BR (1) BR7905101A (enEXAMPLES)
CH (1) CH619564A5 (enEXAMPLES)
DE (1) DE2932117A1 (enEXAMPLES)
FR (1) FR2433253A1 (enEXAMPLES)
IN (1) IN152852B (enEXAMPLES)
SE (1) SE7906656L (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162921A (en) * 1980-05-20 1981-12-15 Tokyo Shibaura Electric Co Protection relay unit
DE3446958A1 (de) * 1984-12-21 1986-07-10 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kurzschluss- bzw. ueberlastueberwachung bei elektronischen naeherungsschaltern
TW319763B (enEXAMPLES) * 1995-02-01 1997-11-11 Epix Medical Inc

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531405A (fr) * 1967-02-20 1968-07-05 Electricite De France Détecteur de surintensité à ferrites multitrous
DE2614344A1 (de) * 1976-04-01 1977-10-06 Licentia Gmbh Anordnung zur ueberwachung und selbsttaetigen steuerung einer im ueberlastbereich arbeitenden elektrischen einrichtung
FR2344159A1 (fr) * 1976-03-09 1977-10-07 Licentia Gmbh Declencheur a maximum de courant numerique
FR2399826A1 (fr) * 1977-08-09 1979-03-09 Bosch Siemens Hausgeraete Dispositif de surveillance du courant d'exploitation d'un appareil menager, notamment d'un lave-vaisselle ou d'une machine a laver
EP0005324A1 (en) * 1978-04-13 1979-11-14 Arteche, Instrumentacion Y Sistemas Electronicos, S.A. A new delayed action electrical protection device, depending on an adjusted magnitude

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599045A (en) * 1969-10-03 1971-08-10 Ite Imperial Corp Discriminating fault indication circuit
US3656026A (en) * 1971-03-12 1972-04-11 Ite Imperial Corp Solid state overcurrent device with variable frequency reference
US3914667A (en) * 1972-03-27 1975-10-21 Ite Imperial Corp Rate of rise tripping device
CH559449A5 (enEXAMPLES) * 1973-05-30 1975-02-28 Bbc Brown Boveri & Cie
US3885199A (en) * 1973-07-02 1975-05-20 Hitachi Ltd Protective relaying device
US3922587A (en) * 1974-10-25 1975-11-25 Rca Corp Digital feedback relay controller
US4017766A (en) * 1975-08-04 1977-04-12 Westinghouse Electric Corporation Inverse time-overcurrent relay using successive linear approximations
US4231029A (en) * 1978-02-28 1980-10-28 Westinghouse Electric Corp. Automatic transfer control device and frequency monitor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531405A (fr) * 1967-02-20 1968-07-05 Electricite De France Détecteur de surintensité à ferrites multitrous
FR2344159A1 (fr) * 1976-03-09 1977-10-07 Licentia Gmbh Declencheur a maximum de courant numerique
DE2614344A1 (de) * 1976-04-01 1977-10-06 Licentia Gmbh Anordnung zur ueberwachung und selbsttaetigen steuerung einer im ueberlastbereich arbeitenden elektrischen einrichtung
FR2399826A1 (fr) * 1977-08-09 1979-03-09 Bosch Siemens Hausgeraete Dispositif de surveillance du courant d'exploitation d'un appareil menager, notamment d'un lave-vaisselle ou d'une machine a laver
EP0005324A1 (en) * 1978-04-13 1979-11-14 Arteche, Instrumentacion Y Sistemas Electronicos, S.A. A new delayed action electrical protection device, depending on an adjusted magnitude

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *

Also Published As

Publication number Publication date
AU4967479A (en) 1980-03-06
SE7906656L (sv) 1980-02-10
CH619564A5 (enEXAMPLES) 1980-09-30
BR7905101A (pt) 1980-05-06
FR2433253B1 (enEXAMPLES) 1982-08-27
JPS5526100A (en) 1980-02-25
DE2932117A1 (de) 1980-02-21
IN152852B (enEXAMPLES) 1984-04-21
US4321647A (en) 1982-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse