FR2034610A1 - - Google Patents
Info
- Publication number
- FR2034610A1 FR2034610A1 FR7007329A FR7007329A FR2034610A1 FR 2034610 A1 FR2034610 A1 FR 2034610A1 FR 7007329 A FR7007329 A FR 7007329A FR 7007329 A FR7007329 A FR 7007329A FR 2034610 A1 FR2034610 A1 FR 2034610A1
- 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.)
- Granted
Links
Classifications
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/338—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers also responsive to wiring error, e.g. loss of neutral, break
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80355569A | 1969-03-03 | 1969-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2034610A1 true FR2034610A1 (fr) | 1970-12-11 |
FR2034610B1 FR2034610B1 (fr) | 1974-05-03 |
Family
ID=25186833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7007329A Expired FR2034610B1 (fr) | 1969-03-03 | 1970-03-02 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3548259A (fr) |
DE (1) | DE2009375A1 (fr) |
FR (1) | FR2034610B1 (fr) |
GB (1) | GB1254515A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3932790A (en) * | 1972-02-22 | 1976-01-13 | Harvey Hubbell, Incorporated | Ground fault interrupter with reversed line polarity lamp indicator |
US3790857A (en) * | 1972-12-29 | 1974-02-05 | Hubbell Inc Harvey | Protective circuit for nonsequencing multipole ground fault circuit interrupter |
US3944891A (en) * | 1974-04-03 | 1976-03-16 | Mcdonald Thomas Michael | Circuit for verifying correct connections to a three-wire dual voltage power distribution system and the absence of open circuit conditions therein |
JPS6022571B2 (ja) * | 1979-12-05 | 1985-06-03 | 株式会社日立製作所 | 地絡保護方式 |
US4371832A (en) * | 1980-05-27 | 1983-02-01 | Wilson Gerald L | DC Ground fault detector wherein fault is sensed by noting imbalance of magnetic flux in a magnetic core |
US4348709A (en) * | 1980-12-15 | 1982-09-07 | Mauk Ernest R | Electronic load protection circuit |
US4567456A (en) * | 1983-06-13 | 1986-01-28 | Technology Research Corporation | Resettable circuit closing device |
EP0189493B1 (fr) * | 1985-01-28 | 1989-06-21 | Heinrich Kopp GmbH & Co. KG | Disjoncteur de protection contre des défauts de terre formé comme fiche de connexion |
US5260676A (en) * | 1991-03-27 | 1993-11-09 | Westinghouse Electric Corp. | Dual wound trip solenoid |
US5661623A (en) * | 1993-09-02 | 1997-08-26 | Hubbell Corporation | Ground fault circuit interrupter plug |
US5418678A (en) * | 1993-09-02 | 1995-05-23 | Hubbell Incorporated | Manually set ground fault circuit interrupter |
DE19919331A1 (de) * | 1999-04-28 | 2000-11-02 | Ellenberger & Poensgen | Unterspannungsauslöser |
US8526143B2 (en) * | 2009-05-14 | 2013-09-03 | Siemens Industry, Inc. | Methods and appraratus for ground fault circuit interrupt detection using a single transformer |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1324416A (fr) * | 1962-03-09 | 1963-04-19 | Thomson Houston Comp Francaise | Dispositif de protection contre les courants de défaut |
US3296493A (en) * | 1964-11-05 | 1967-01-03 | Automatic Timing And Controls | Leakage detection and control circuit |
US3315190A (en) * | 1965-12-01 | 1967-04-18 | Furnas Electric Co | Manual contactor with low voltage release |
FR1536097A (fr) * | 1966-09-07 | 1968-08-09 | Stotz Kontakt Gmbh | Disjoncteur de protection multipolaire pour courant de défaut |
US3406360A (en) * | 1967-04-05 | 1968-10-15 | Simons Samuel Brian | Protector switch |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1267270A (fr) * | 1960-06-09 | 1961-07-21 | Electronique Et D Automatique | Dispositif de commande d'un relais de protection pour circuit d'alimentation électrique |
US3376477A (en) * | 1965-12-06 | 1968-04-02 | Hubbell Inc Harvey | Protective circuit |
US3473091A (en) * | 1967-04-14 | 1969-10-14 | Hubbell Inc Harvey | Ground leakage differential protective apparatus |
-
1969
- 1969-03-03 US US803555A patent/US3548259A/en not_active Expired - Lifetime
-
1970
- 1970-02-24 GB GB8873/70A patent/GB1254515A/en not_active Expired
- 1970-02-27 DE DE19702009375 patent/DE2009375A1/de active Pending
- 1970-03-02 FR FR7007329A patent/FR2034610B1/fr not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1324416A (fr) * | 1962-03-09 | 1963-04-19 | Thomson Houston Comp Francaise | Dispositif de protection contre les courants de défaut |
US3296493A (en) * | 1964-11-05 | 1967-01-03 | Automatic Timing And Controls | Leakage detection and control circuit |
US3315190A (en) * | 1965-12-01 | 1967-04-18 | Furnas Electric Co | Manual contactor with low voltage release |
FR1536097A (fr) * | 1966-09-07 | 1968-08-09 | Stotz Kontakt Gmbh | Disjoncteur de protection multipolaire pour courant de défaut |
US3406360A (en) * | 1967-04-05 | 1968-10-15 | Simons Samuel Brian | Protector switch |
Also Published As
Publication number | Publication date |
---|---|
DE2009375A1 (de) | 1970-09-10 |
GB1254515A (en) | 1971-11-24 |
US3548259A (en) | 1970-12-15 |
FR2034610B1 (fr) | 1974-05-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |