ES504510A0 - IMPROVEMENTS IN A THERMAL PROTECTION DEVICE OF AN ELECTRIC MOTOR - Google Patents
IMPROVEMENTS IN A THERMAL PROTECTION DEVICE OF AN ELECTRIC MOTORInfo
- Publication number
- ES504510A0 ES504510A0 ES504510A ES504510A ES504510A0 ES 504510 A0 ES504510 A0 ES 504510A0 ES 504510 A ES504510 A ES 504510A ES 504510 A ES504510 A ES 504510A ES 504510 A0 ES504510 A0 ES 504510A0
- Authority
- ES
- Spain
- Prior art keywords
- electric motor
- protection device
- thermal protection
- thermal
- motor
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8017424A FR2488458A1 (en) | 1980-08-04 | 1980-08-04 | THERMAL PROTECTION CIRCUIT OF AN ELECTRIC MOTOR COMPRISING TWO TIME-CONSTANT ORGANS |
Publications (2)
Publication Number | Publication Date |
---|---|
ES504510A0 true ES504510A0 (en) | 1982-09-16 |
ES8207661A1 ES8207661A1 (en) | 1982-09-16 |
Family
ID=9244980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES504510A Expired ES8207661A1 (en) | 1980-08-04 | 1981-08-03 | Thermal simulators for protecting electric motors |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT389961B (en) |
BE (1) | BE889836A (en) |
CH (1) | CH642199A5 (en) |
DE (1) | DE3129730A1 (en) |
ES (1) | ES8207661A1 (en) |
FR (1) | FR2488458A1 (en) |
GB (1) | GB2081995B (en) |
IT (1) | IT1137790B (en) |
NL (1) | NL8103660A (en) |
NO (1) | NO159470C (en) |
SE (1) | SE447685B (en) |
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 (en) * | 1972-05-23 | 1973-02-28 | Sprecher & Schuh Ag | Electronic motor protection relay with current-dependent tripping |
CH540587A (en) * | 1972-08-22 | 1973-08-15 | Sprecher & Schuh Ag | Circuit arrangement that represents a thermal image of electrical equipment that is dependent on electrical losses |
DE2600472C3 (en) * | 1976-01-08 | 1981-12-10 | Siemens AG, 1000 Berlin und 8000 München | Overload protection device for an electrical machine |
DE2939938C2 (en) * | 1979-09-28 | 1984-05-30 | Siemens AG, 1000 Berlin und 8000 München | Overload protection arrangement for an electrical machine |
FR2468238A1 (en) * | 1979-10-16 | 1981-04-30 | Telemecanique Electrique | Phase loss or overvoltage protector for motor - has signal fed to comparator via Zener network and driving cut=off relay in motor supply |
-
1980
- 1980-08-04 FR FR8017424A patent/FR2488458A1/en active Granted
-
1981
- 1981-07-28 DE DE19813129730 patent/DE3129730A1/en active Granted
- 1981-08-03 SE SE8104643A patent/SE447685B/en not_active IP Right Cessation
- 1981-08-03 BE BE0/205565A patent/BE889836A/en not_active IP Right Cessation
- 1981-08-03 NL NL8103660A patent/NL8103660A/en not_active Application Discontinuation
- 1981-08-03 NO NO812629A patent/NO159470C/en unknown
- 1981-08-03 AT AT0341381A patent/AT389961B/en not_active IP Right Cessation
- 1981-08-03 IT IT23345/81A patent/IT1137790B/en active
- 1981-08-03 CH CH499781A patent/CH642199A5/en not_active IP Right Cessation
- 1981-08-03 ES ES504510A patent/ES8207661A1/en not_active Expired
- 1981-08-04 GB GB8123751A patent/GB2081995B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2488458B1 (en) | 1984-05-18 |
NO159470B (en) | 1988-09-19 |
IT1137790B (en) | 1986-09-10 |
SE447685B (en) | 1986-12-01 |
GB2081995A (en) | 1982-02-24 |
GB2081995B (en) | 1985-01-09 |
IT8123345A0 (en) | 1981-08-03 |
FR2488458A1 (en) | 1982-02-12 |
SE8104643L (en) | 1982-02-05 |
ATA341381A (en) | 1989-07-15 |
NO812629L (en) | 1982-02-05 |
DE3129730A1 (en) | 1982-02-25 |
CH642199A5 (en) | 1984-03-30 |
NO159470C (en) | 1989-01-04 |
BE889836A (en) | 1981-12-01 |
AT389961B (en) | 1990-02-26 |
DE3129730C2 (en) | 1990-05-31 |
ES8207661A1 (en) | 1982-09-16 |
NL8103660A (en) | 1982-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970519 |