FR2188171A1 - - Google Patents
Info
- Publication number
- FR2188171A1 FR2188171A1 FR7321534A FR7321534A FR2188171A1 FR 2188171 A1 FR2188171 A1 FR 2188171A1 FR 7321534 A FR7321534 A FR 7321534A FR 7321534 A FR7321534 A FR 7321534A FR 2188171 A1 FR2188171 A1 FR 2188171A1
- 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.)
- Withdrawn
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
-
- 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
- H02H3/16—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 fault current to earth, frame or mass
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA724073A ZA724073B (en) | 1972-06-13 | 1972-06-13 | Improvements in earth leakage protection |
| ZA724072A ZA724072B (en) | 1972-06-13 | 1972-06-13 | Improvements in direct current level detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2188171A1 true FR2188171A1 (US07534539-20090519-C00280.png) | 1974-01-18 |
Family
ID=27131054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7321534A Withdrawn FR2188171A1 (US07534539-20090519-C00280.png) | 1972-06-13 | 1973-06-13 |
Country Status (6)
-
1973
- 1973-06-08 IE IE940/73A patent/IE37776B1/xx unknown
- 1973-06-11 GB GB2778473A patent/GB1440124A/en not_active Expired
- 1973-06-12 AU AU56800/73A patent/AU5680073A/en not_active Expired
- 1973-06-12 CH CH850473A patent/CH554542A/xx not_active IP Right Cessation
- 1973-06-13 FR FR7321534A patent/FR2188171A1/fr not_active Withdrawn
- 1973-06-13 NL NL7308212A patent/NL7308212A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE37776L (en) | 1973-12-13 |
| CH554542A (de) | 1974-09-30 |
| NL7308212A (US07534539-20090519-C00280.png) | 1973-12-17 |
| GB1440124A (en) | 1976-06-23 |
| IE37776B1 (en) | 1977-10-12 |
| AU5680073A (en) | 1974-12-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |