IT1137790B - Circuito di protezione termica di un motore elettrico comprendente due organi a costante di tempo - Google Patents

Circuito di protezione termica di un motore elettrico comprendente due organi a costante di tempo

Info

Publication number
IT1137790B
IT1137790B IT23345/81A IT2334581A IT1137790B IT 1137790 B IT1137790 B IT 1137790B IT 23345/81 A IT23345/81 A IT 23345/81A IT 2334581 A IT2334581 A IT 2334581A IT 1137790 B IT1137790 B IT 1137790B
Authority
IT
Italy
Prior art keywords
electric motor
protection circuit
thermal protection
constant time
motor including
Prior art date
Application number
IT23345/81A
Other languages
English (en)
Italian (it)
Other versions
IT8123345A0 (it
Inventor
Christian Cadet
Gilles Baurand
Bernard Dumortier
Georges Souques
Original Assignee
Telemecanique Electrique
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 Telemecanique Electrique filed Critical Telemecanique Electrique
Publication of IT8123345A0 publication Critical patent/IT8123345A0/it
Application granted granted Critical
Publication of IT1137790B publication Critical patent/IT1137790B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
IT23345/81A 1980-08-04 1981-08-03 Circuito di protezione termica di un motore elettrico comprendente due organi a costante di tempo IT1137790B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8017424A FR2488458A1 (fr) 1980-08-04 1980-08-04 Circuit de protection thermique d'un moteur electrique comportant deux organes a constante de temps

Publications (2)

Publication Number Publication Date
IT8123345A0 IT8123345A0 (it) 1981-08-03
IT1137790B true IT1137790B (it) 1986-09-10

Family

ID=9244980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23345/81A IT1137790B (it) 1980-08-04 1981-08-03 Circuito di protezione termica di un motore elettrico comprendente due organi a costante di tempo

Country Status (11)

Country Link
AT (1) AT389961B (de)
BE (1) BE889836A (de)
CH (1) CH642199A5 (de)
DE (1) DE3129730A1 (de)
ES (1) ES8207661A1 (de)
FR (1) FR2488458A1 (de)
GB (1) GB2081995B (de)
IT (1) IT1137790B (de)
NL (1) NL8103660A (de)
NO (1) NO159470C (de)
SE (1) SE447685B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819118A (en) * 1988-06-02 1989-04-04 Westinghouse Electric Corp. Electromagnetic contactor tandem control system for thermal protection of a bidirectional motor drive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534444A (de) * 1972-05-23 1973-02-28 Sprecher & Schuh Ag Elektronisches Motorschutzrelais mit stromabhängiger Auslösung
CH540587A (de) * 1972-08-22 1973-08-15 Sprecher & Schuh Ag Schaltungsanordnung, welche ein von elektrischen Verlusten abhängiges thermisches Abbild eines elektrischen Betriebsmittels darstellt
DE2600472C3 (de) * 1976-01-08 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Überlastschutzeinrichtung für eine elektrische Maschine
DE2939938C2 (de) * 1979-09-28 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Überlast-Schutzanordnung für eine elektrische Maschine
FR2468238A1 (fr) * 1979-10-16 1981-04-30 Telemecanique Electrique Dispositif electronique de protection d'un moteur electrique contre les surcharges et la perte d'une phase de la tension alternative triphasee d'alimentation

Also Published As

Publication number Publication date
NO159470C (no) 1989-01-04
SE8104643L (sv) 1982-02-05
FR2488458A1 (fr) 1982-02-12
GB2081995B (en) 1985-01-09
GB2081995A (en) 1982-02-24
NO159470B (no) 1988-09-19
AT389961B (de) 1990-02-26
BE889836A (fr) 1981-12-01
SE447685B (sv) 1986-12-01
NL8103660A (nl) 1982-03-01
IT8123345A0 (it) 1981-08-03
DE3129730A1 (de) 1982-02-25
DE3129730C2 (de) 1990-05-31
ES504510A0 (es) 1982-09-16
ATA341381A (de) 1989-07-15
CH642199A5 (fr) 1984-03-30
NO812629L (no) 1982-02-05
FR2488458B1 (de) 1984-05-18
ES8207661A1 (es) 1982-09-16

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