FR2449993B1 - - Google Patents
Info
- Publication number
- FR2449993B1 FR2449993B1 FR7904776A FR7904776A FR2449993B1 FR 2449993 B1 FR2449993 B1 FR 2449993B1 FR 7904776 A FR7904776 A FR 7904776A FR 7904776 A FR7904776 A FR 7904776A FR 2449993 B1 FR2449993 B1 FR 2449993B1
- 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.)
- Expired
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
- H02H3/44—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 the rate of change of electrical quantities
-
- 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
- H02H3/24—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 undervoltage or no-voltage
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7904776A FR2449993A1 (fr) | 1979-02-20 | 1979-02-20 | Systeme de protection d'une machine couplee a un reseau electrique |
IT47928/80A IT1126945B (it) | 1979-02-20 | 1980-02-18 | Impianto di protezione di macchina contro interruzioni momentanee di una rete elettrica |
BE0/199454A BE881798A (fr) | 1979-02-20 | 1980-02-19 | Systeme de protection d'une machine couplee a un reseau electrique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7904776A FR2449993A1 (fr) | 1979-02-20 | 1979-02-20 | Systeme de protection d'une machine couplee a un reseau electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2449993A1 FR2449993A1 (fr) | 1980-09-19 |
FR2449993B1 true FR2449993B1 (pl) | 1983-02-11 |
Family
ID=9222421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7904776A Granted FR2449993A1 (fr) | 1979-02-20 | 1979-02-20 | Systeme de protection d'une machine couplee a un reseau electrique |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE881798A (pl) |
FR (1) | FR2449993A1 (pl) |
IT (1) | IT1126945B (pl) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213323A (en) * | 1962-10-16 | 1965-10-19 | Westinghouse Electric Corp | Breaker tripping signal circuit |
BE662938A (fr) * | 1965-04-23 | 1965-10-25 | Acec | Relais détecteur de courts-circuits sur des lignes de traction à courant continu |
DE1538416B2 (de) * | 1966-12-08 | 1970-05-27 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Auslöseeinrichtung für Schnellschaltgeräte |
US3673455A (en) * | 1970-11-18 | 1972-06-27 | Gen Electric | High speed sensor for initiating circuit breaker tripping |
FR2255608A1 (en) * | 1973-12-21 | 1975-07-18 | Auray Didier | Rapid detection system for short circuits - determines current curve curvature to detect short circuits |
-
1979
- 1979-02-20 FR FR7904776A patent/FR2449993A1/fr active Granted
-
1980
- 1980-02-18 IT IT47928/80A patent/IT1126945B/it active
- 1980-02-19 BE BE0/199454A patent/BE881798A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1126945B (it) | 1986-05-21 |
BE881798A (fr) | 1980-06-16 |
FR2449993A1 (fr) | 1980-09-19 |
IT8047928A0 (it) | 1980-02-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |