FR2447627A1 - Dispositif de securite pour la detection d'un defaut d'isolement electrique - Google Patents
Dispositif de securite pour la detection d'un defaut d'isolement electriqueInfo
- Publication number
- FR2447627A1 FR2447627A1 FR7901906A FR7901906A FR2447627A1 FR 2447627 A1 FR2447627 A1 FR 2447627A1 FR 7901906 A FR7901906 A FR 7901906A FR 7901906 A FR7901906 A FR 7901906A FR 2447627 A1 FR2447627 A1 FR 2447627A1
- Authority
- FR
- France
- Prior art keywords
- protection circuit
- earth
- voltage
- neutral
- rotating machine
- Prior art date
- 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
- H02H3/14—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 occurrence of voltage on parts normally at earth potential
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
DISPOSITIF DE PROTECTION D'UNE MACHINE ELECTRIQUE CONTRE LES DEFAUTS D'ISOLEMENT. IL COMPREND UN MONTAGE EN ETOILE SUR LES FILS D'ALIMENTATION POUR REALISER UN POINT DE REFERENCE, DES MOYENS POUR CONVERTIR LA TENSION ENTRE LE POINT DE REFERENCE ET LE POINT COMMUN A LA TERRE ET A LA MASSE EN UN COURANT CONTINU PROPORTIONNEL A LA TENSION, UN CIRCUIT A SEUIL APTE A DELIVRER UN SIGNAL DE DETECTION SI LE COURANT EST SUPERIEUR A UN SEUIL DONNE; UN CIRCUIT DE SORTIE POUR COUPER L'ALIMENTATION DE PUISSANCE, DES MOYENS DE REARMEMENT AUTOMATIQUE OU MANUEL ET UN CAPTEUR DE COURANT MONTE SUR LE FIL DE MASSE ET RELIE A L'ENTREE DU CIRCUIT A SEUIL. APPLICATION A LA PROTECTION DES USAGERS D'UNE MACHINE ELECTRIQUE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901906A FR2447627A1 (fr) | 1979-01-25 | 1979-01-25 | Dispositif de securite pour la detection d'un defaut d'isolement electrique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901906A FR2447627A1 (fr) | 1979-01-25 | 1979-01-25 | Dispositif de securite pour la detection d'un defaut d'isolement electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447627A1 true FR2447627A1 (fr) | 1980-08-22 |
FR2447627B1 FR2447627B1 (fr) | 1982-12-03 |
Family
ID=9221202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7901906A Granted FR2447627A1 (fr) | 1979-01-25 | 1979-01-25 | Dispositif de securite pour la detection d'un defaut d'isolement electrique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2447627A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1343762A (fr) * | 1962-10-13 | 1963-11-22 | Charbonnages De France | Procédé et dispositif perfectionnés de surveillance de l'isolement à la terre des réseaux électriques |
FR1575892A (fr) * | 1968-06-12 | 1969-07-25 | ||
FR2335079A2 (fr) * | 1975-12-12 | 1977-07-08 | Parrier Andre | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
-
1979
- 1979-01-25 FR FR7901906A patent/FR2447627A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1343762A (fr) * | 1962-10-13 | 1963-11-22 | Charbonnages De France | Procédé et dispositif perfectionnés de surveillance de l'isolement à la terre des réseaux électriques |
FR1575892A (fr) * | 1968-06-12 | 1969-07-25 | ||
FR2335079A2 (fr) * | 1975-12-12 | 1977-07-08 | Parrier Andre | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
Also Published As
Publication number | Publication date |
---|---|
FR2447627B1 (fr) | 1982-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |