NL7900594A - Veiligheidsinrichting voor de detectie van een electri- sche isolatiefout tussen twee draden van de voedings- keten van een machine. - Google Patents
Veiligheidsinrichting voor de detectie van een electri- sche isolatiefout tussen twee draden van de voedings- keten van een machine.Info
- Publication number
- NL7900594A NL7900594A NL7900594A NL7900594A NL7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A NL 7900594 A NL7900594 A NL 7900594A
- Authority
- NL
- Netherlands
- Prior art keywords
- wires
- detection
- machine
- safety device
- electrical insulation
- Prior art date
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
- H02H3/162—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 for AC systems
- H02H3/165—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 for AC systems for three-phase systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7802975A FR2415894B2 (fr) | 1978-01-26 | 1978-01-26 | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7900594A true NL7900594A (nl) | 1979-07-30 |
Family
ID=9204154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7900594A NL7900594A (nl) | 1978-01-26 | 1979-01-25 | Veiligheidsinrichting voor de detectie van een electri- sche isolatiefout tussen twee draden van de voedings- keten van een machine. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE873751A (fr) |
| DK (1) | DK32779A (fr) |
| FR (1) | FR2415894B2 (fr) |
| IT (1) | IT1109789B (fr) |
| NL (1) | NL7900594A (fr) |
| SE (1) | SE7900663L (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2468130A1 (fr) * | 1979-10-23 | 1981-04-30 | Sfec | Dispositif de securite pour la detection d'un defaut d'isolement electrique sur une machine alimentee avec un neutre non relie a la masse machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262016A (en) * | 1962-08-21 | 1966-07-19 | United Aircraft Corp | Load protector |
| BE638540A (fr) * | 1962-10-13 | |||
| AT308225B (de) * | 1968-11-15 | 1973-06-25 | Felten & Guilleaume Schaltanl | Schutzschaltung für an geerdete Netze angeschlossene ortsveränderliche Verbrauchsgeräte |
| US3699391A (en) * | 1971-09-02 | 1972-10-17 | Us Interior | Reactor fault relay |
| US3959695A (en) * | 1975-04-29 | 1976-05-25 | Westinghouse Electric Corporation | Circuit interrupter with ground fault trip control |
| FR2374762A2 (fr) * | 1976-12-14 | 1978-07-13 | Parrier Andre | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
-
1978
- 1978-01-26 FR FR7802975A patent/FR2415894B2/fr not_active Expired
-
1979
- 1979-01-24 SE SE7900663A patent/SE7900663L/ not_active Application Discontinuation
- 1979-01-25 NL NL7900594A patent/NL7900594A/xx not_active Application Discontinuation
- 1979-01-25 DK DK32779A patent/DK32779A/da not_active Application Discontinuation
- 1979-01-26 IT IT19652/79A patent/IT1109789B/it active
- 1979-01-26 BE BE193114A patent/BE873751A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2415894B2 (fr) | 1986-01-17 |
| IT7919652A0 (it) | 1979-01-26 |
| BE873751A (fr) | 1979-05-16 |
| IT1109789B (it) | 1985-12-23 |
| FR2415894A2 (fr) | 1979-08-24 |
| DK32779A (da) | 1979-07-27 |
| SE7900663L (sv) | 1979-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed | ||
| BV | The patent application has lapsed |