CH579840A5 - - Google Patents
Info
- Publication number
- CH579840A5 CH579840A5 CH1518474A CH1518474A CH579840A5 CH 579840 A5 CH579840 A5 CH 579840A5 CH 1518474 A CH1518474 A CH 1518474A CH 1518474 A CH1518474 A CH 1518474A CH 579840 A5 CH579840 A5 CH 579840A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1518474A CH579840A5 (he) | 1974-11-14 | 1974-11-14 | |
| DE19742458530 DE2458530C2 (de) | 1974-11-14 | 1974-12-11 | Erdschluß-Überwachungseinrichtung |
| FR7534093A FR2291633A1 (fr) | 1974-11-14 | 1975-11-07 | Dispositif de detection des defauts a la terre |
| NL7513203A NL7513203A (nl) | 1974-11-14 | 1975-11-11 | Inrichting voor het constateren van aardsluitin- gen. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1518474A CH579840A5 (he) | 1974-11-14 | 1974-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH579840A5 true CH579840A5 (he) | 1976-09-15 |
Family
ID=4407066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1518474A CH579840A5 (he) | 1974-11-14 | 1974-11-14 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH579840A5 (he) |
| DE (1) | DE2458530C2 (he) |
| FR (1) | FR2291633A1 (he) |
| NL (1) | NL7513203A (he) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558264B1 (fr) * | 1984-01-18 | 1986-08-29 | Forclum | Procede de surveillance de l'etat d'isolement des conducteurs d'un reseau electrique |
| DE9006605U1 (de) * | 1990-06-12 | 1990-08-16 | Brinkmann, Heinz-Jürgen, 4322 Sprockhövel | Stromkreisüberwachung an bewegbaren Schließkanten |
| DE9210351U1 (de) * | 1992-07-31 | 1992-10-01 | Siemens AG, 8000 München | Einrichtung zur Läufererdschlußüberwachung |
| DE4329381A1 (de) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Verfahren zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine |
| DE4339946A1 (de) * | 1993-11-24 | 1995-06-01 | Walther Bender Gmbh & Co Kg Di | Verfahren und Einrichtung zur Isolationsüberwachung vom ungeerdeten Gleich- und Wechselstromnetzen |
| IL139983A (he) * | 1996-04-01 | 2004-07-25 | Lockheed Corp | מערכת אופטיקה משולבת לייזר/flir |
| AT411937B (de) * | 2000-08-11 | 2004-07-26 | Adaptive Regelsysteme Ges M B | Verfahren und vorrichtung zur erkennung und ortung von hochohmigen einpoligen erdfehlern |
| DE102008005687A1 (de) * | 2008-01-23 | 2009-08-06 | Siemens Aktiengesellschaft | Steuereinrichtung zum sicheren Wiedereinschalten eines Fehlerstromschutzschalters |
| US11539200B2 (en) * | 2018-03-16 | 2022-12-27 | Littelfuse, Inc. | Monitor device, ground fault protection circuit and techniques |
| US11108222B2 (en) | 2018-03-16 | 2021-08-31 | Littelfuse, Inc. | Monitor device, ground fault protection circuit and techniques |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1125529B (de) * | 1960-05-10 | 1962-03-15 | Siemens Ag | Selektiver Erdschlussschutz |
| FR1445625A (fr) * | 1965-05-31 | 1966-07-15 | Comp Generale Electricite | Procédé de détection et de localisation des défauts d'isolement des réseaux électriques et dispositif pour sa mise en oeuvre |
| DE2115807C3 (de) * | 1971-04-01 | 1974-10-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Erdschlußschutzeinrichtung für elektrische Geräte mit in Stern geschalteten Wicklungen |
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1974
- 1974-11-14 CH CH1518474A patent/CH579840A5/xx not_active IP Right Cessation
- 1974-12-11 DE DE19742458530 patent/DE2458530C2/de not_active Expired
-
1975
- 1975-11-07 FR FR7534093A patent/FR2291633A1/fr active Granted
- 1975-11-11 NL NL7513203A patent/NL7513203A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2291633B1 (he) | 1982-04-02 |
| DE2458530C2 (de) | 1986-11-06 |
| FR2291633A1 (fr) | 1976-06-11 |
| NL7513203A (nl) | 1976-05-18 |
| DE2458530A1 (de) | 1976-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |