SE7906656L - Overstromsrele - Google Patents

Overstromsrele

Info

Publication number
SE7906656L
SE7906656L SE7906656A SE7906656A SE7906656L SE 7906656 L SE7906656 L SE 7906656L SE 7906656 A SE7906656 A SE 7906656A SE 7906656 A SE7906656 A SE 7906656A SE 7906656 L SE7906656 L SE 7906656L
Authority
SE
Sweden
Prior art keywords
relay
output
value
monitored
operating
Prior art date
Application number
SE7906656A
Other languages
Unknown language ( )
English (en)
Inventor
R G Fordham
Original Assignee
Gen Electric Co Ltd
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 Gen Electric Co Ltd filed Critical Gen Electric Co Ltd
Publication of SE7906656L publication Critical patent/SE7906656L/sv

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)
SE7906656A 1978-08-09 1979-08-08 Overstromsrele SE7906656L (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE7906656L true SE7906656L (sv) 1980-02-10

Family

ID=10498940

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7906656A SE7906656L (sv) 1978-08-09 1979-08-08 Overstromsrele

Country Status (9)

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

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 (sv) * 1995-02-01 1997-11-11 Epix Medical Inc

Family Cites Families (13)

* 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
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 (sv) * 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
DE2609654B2 (de) * 1976-03-09 1978-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler ueberstromausloeser
DE2614344A1 (de) * 1976-04-01 1977-10-06 Licentia Gmbh Anordnung zur ueberwachung und selbsttaetigen steuerung einer im ueberlastbereich arbeitenden elektrischen einrichtung
DE2735807C2 (de) * 1977-08-09 1983-12-22 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Überwachungseinrichtung für eine Geschirrspül- oder Waschmaschine mit einem elektronischen Steuergerät
US4231029A (en) * 1978-02-28 1980-10-28 Westinghouse Electric Corp. Automatic transfer control device and frequency monitor
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ

Also Published As

Publication number Publication date
DE2932117A1 (de) 1980-02-21
BR7905101A (pt) 1980-05-06
US4321647A (en) 1982-03-23
JPS5526100A (en) 1980-02-25
AU4967479A (en) 1980-03-06
CH619564A5 (sv) 1980-09-30
FR2433253B1 (sv) 1982-08-27
FR2433253A1 (fr) 1980-03-07
IN152852B (sv) 1984-04-21

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