BE889836A - Circuit de protection thermique d'un moteur electrique comportant deux organes a constante de temps - Google Patents
Circuit de protection thermique d'un moteur electrique comportant deux organes a constante de tempsInfo
- Publication number
- BE889836A BE889836A BE0/205565A BE205565A BE889836A BE 889836 A BE889836 A BE 889836A BE 0/205565 A BE0/205565 A BE 0/205565A BE 205565 A BE205565 A BE 205565A BE 889836 A BE889836 A BE 889836A
- Authority
- BE
- Belgium
- Prior art keywords
- organs
- constant
- electric motor
- time
- protection circuit
- Prior art date
Links
- 210000000056 organ Anatomy 0.000 title 1
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
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 (1)
Publication Number | Publication Date |
---|---|
BE889836A true BE889836A (fr) | 1981-12-01 |
Family
ID=9244980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/205565A BE889836A (fr) | 1980-08-04 | 1981-08-03 | Circuit de protection thermique d'un moteur electrique comportant deux organes a constante de temps |
Country Status (11)
Families Citing this family (1)
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)
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 BE BE0/205565A patent/BE889836A/fr not_active IP Right Cessation
- 1981-08-03 AT AT0341381A patent/AT389961B/de not_active IP Right Cessation
- 1981-08-03 IT IT23345/81A patent/IT1137790B/it active
- 1981-08-03 CH CH499781A patent/CH642199A5/fr not_active IP Right Cessation
- 1981-08-03 ES ES504510A patent/ES8207661A1/es not_active Expired
- 1981-08-03 NO NO812629A patent/NO159470C/no unknown
- 1981-08-03 NL NL8103660A patent/NL8103660A/nl not_active Application Discontinuation
- 1981-08-04 GB GB8123751A patent/GB2081995B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3129730A1 (de) | 1982-02-25 |
GB2081995A (en) | 1982-02-24 |
ES504510A0 (es) | 1982-09-16 |
NL8103660A (nl) | 1982-03-01 |
NO812629L (no) | 1982-02-05 |
FR2488458B1 (enrdf_load_stackoverflow) | 1984-05-18 |
SE8104643L (sv) | 1982-02-05 |
NO159470B (no) | 1988-09-19 |
ATA341381A (de) | 1989-07-15 |
ES8207661A1 (es) | 1982-09-16 |
GB2081995B (en) | 1985-01-09 |
AT389961B (de) | 1990-02-26 |
IT1137790B (it) | 1986-09-10 |
FR2488458A1 (fr) | 1982-02-12 |
NO159470C (no) | 1989-01-04 |
DE3129730C2 (enrdf_load_stackoverflow) | 1990-05-31 |
CH642199A5 (fr) | 1984-03-30 |
IT8123345A0 (it) | 1981-08-03 |
SE447685B (sv) | 1986-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: LA TELEMECANIQUE ELECTRIQUE Effective date: 19930831 |