FR2468238B1 - - Google Patents
Info
- Publication number
- FR2468238B1 FR2468238B1 FR7926102A FR7926102A FR2468238B1 FR 2468238 B1 FR2468238 B1 FR 2468238B1 FR 7926102 A FR7926102 A FR 7926102A FR 7926102 A FR7926102 A FR 7926102A FR 2468238 B1 FR2468238 B1 FR 2468238B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- 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
- H02H3/12—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 underload or no-load
- H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
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- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926102A FR2468238A1 (fr) | 1979-10-16 | 1979-10-16 | Dispositif electronique de protection d'un moteur electrique contre les surcharges et la perte d'une phase de la tension alternative triphasee d'alimentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926102A FR2468238A1 (fr) | 1979-10-16 | 1979-10-16 | Dispositif electronique de protection d'un moteur electrique contre les surcharges et la perte d'une phase de la tension alternative triphasee d'alimentation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2468238A1 FR2468238A1 (fr) | 1981-04-30 |
| FR2468238B1 true FR2468238B1 (OSRAM) | 1983-02-11 |
Family
ID=9230872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7926102A Granted FR2468238A1 (fr) | 1979-10-16 | 1979-10-16 | Dispositif electronique de protection d'un moteur electrique contre les surcharges et la perte d'une phase de la tension alternative triphasee d'alimentation |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2468238A1 (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2488458A1 (fr) * | 1980-08-04 | 1982-02-12 | Telemecanique Electrique | Circuit de protection thermique d'un moteur electrique comportant deux organes a constante de temps |
| US4379317A (en) * | 1981-04-27 | 1983-04-05 | Westinghouse Electric Corp. | Solid-state load protection system having loss of phase sensing |
| US4823226A (en) * | 1987-09-17 | 1989-04-18 | Square D Company | Phase loss detection circuit including transient protection |
| FR2782892B1 (fr) * | 1998-09-03 | 2000-10-13 | Serap Industries | Commande de refroidisseur de lait a proctection contre les variations de tension |
| RU2284621C1 (ru) * | 2005-03-15 | 2006-09-27 | Владимир Андреевич Сергеев | Устройство для управления трехфазным электродвигателем с защитой от обрыва фаз и сигнализацией |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636541A (en) * | 1970-04-09 | 1972-01-18 | Honeywell Inf Systems | Loss of phase detector for a polyphase power system |
| US3668471A (en) * | 1970-12-28 | 1972-06-06 | Stanley Works | Device for detection and control of leakage and excessive current flow |
| CH541885A (de) * | 1972-08-23 | 1973-09-15 | Sprecher & Schuh Ag | Schaltungsanordnung zur Erkennung eines durch Phasenausfall oder Erdschluss in der Stromversorgung eines Drehstrommotors bedingten Fehlers |
| US3968410A (en) * | 1974-09-10 | 1976-07-06 | General Electric Company | Static overcurrent relays |
| US4103317A (en) * | 1976-06-07 | 1978-07-25 | Val Tech Inc. | Motor protector providing phase failure and overload cutoff for three-phase variable voltage variable frequency motor |
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1979
- 1979-10-16 FR FR7926102A patent/FR2468238A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2468238A1 (fr) | 1981-04-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |