IT8123345A0 - 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: IT8123345A0
Authority: IT; Italy
Prior art keywords: electric motor; protection circuit; time constant; thermal protection; motor including
Prior art date: 1980-08-04

Application number

IT8123345A

Other languages

English (en)

Other versions

IT1137790B (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.)

1980-08-04

Filing date

1981-08-03

Publication date

1981-08-03

1981-08-03 Application filed by Telemecanique Electrique filed Critical Telemecanique Electrique

1981-08-03 Publication of IT8123345A0 publication Critical patent/IT8123345A0/it

1986-09-10 Application granted granted Critical

1986-09-10 Publication of IT1137790B publication Critical patent/IT1137790B/it

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 true IT8123345A0 (it)	1981-08-03
IT1137790B 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 (it)
BE (1)	BE889836A (it)
CH (1)	CH642199A5 (it)
DE (1)	DE3129730A1 (it)
ES (1)	ES504510A0 (it)
FR (1)	FR2488458A1 (it)
GB (1)	GB2081995B (it)
IT (1)	IT1137790B (it)
NL (1)	NL8103660A (it)
NO (1)	NO159470C (it)
SE (1)	SE447685B (it)

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

1980
- 1980-08-04 FR FR8017424A patent/FR2488458A1/fr active Granted
1981
- 1981-07-28 DE DE19813129730 patent/DE3129730A1/de active Granted
- 1981-08-03 SE SE8104643A patent/SE447685B/sv not_active IP Right Cessation
- 1981-08-03 NO NO812629A patent/NO159470C/no unknown
- 1981-08-03 IT IT23345/81A patent/IT1137790B/it active
- 1981-08-03 AT AT0341381A patent/AT389961B/de not_active IP Right Cessation
- 1981-08-03 BE BE0/205565A patent/BE889836A/fr not_active IP Right Cessation
- 1981-08-03 NL NL8103660A patent/NL8103660A/nl not_active Application Discontinuation
- 1981-08-03 CH CH499781A patent/CH642199A5/fr not_active IP Right Cessation
- 1981-08-03 ES ES504510A patent/ES504510A0/es active Granted
- 1981-08-04 GB GB8123751A patent/GB2081995B/en not_active Expired

Also Published As

Publication number	Publication date
SE447685B (sv)	1986-12-01
CH642199A5 (fr)	1984-03-30
SE8104643L (sv)	1982-02-05
ES8207661A1 (es)	1982-09-16
FR2488458B1 (it)	1984-05-18
ATA341381A (de)	1989-07-15
NO159470C (no)	1989-01-04
DE3129730C2 (it)	1990-05-31
NL8103660A (nl)	1982-03-01
AT389961B (de)	1990-02-26
NO812629L (no)	1982-02-05
ES504510A0 (es)	1982-09-16
IT1137790B (it)	1986-09-10
DE3129730A1 (de)	1982-02-25
GB2081995A (en)	1982-02-24
FR2488458A1 (fr)	1982-02-12
NO159470B (no)	1988-09-19
GB2081995B (en)	1985-01-09
BE889836A (fr)	1981-12-01

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