FR2449993A1 - Systeme de protection d'une machine couplee a un reseau electrique - Google Patents

Systeme de protection d'une machine couplee a un reseau electrique

Info

Publication number
FR2449993A1
FR2449993A1 FR7904776A FR7904776A FR2449993A1 FR 2449993 A1 FR2449993 A1 FR 2449993A1 FR 7904776 A FR7904776 A FR 7904776A FR 7904776 A FR7904776 A FR 7904776A FR 2449993 A1 FR2449993 A1 FR 2449993A1
Authority
FR
France
Prior art keywords
phase current
electrical machines
instantaneous values
relay
comparison
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
Application number
FR7904776A
Other languages
English (en)
French (fr)
Other versions
FR2449993B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7904776A priority Critical patent/FR2449993A1/fr
Priority to IT47928/80A priority patent/IT1126945B/it
Priority to BE0/199454A priority patent/BE881798A/fr
Publication of FR2449993A1 publication Critical patent/FR2449993A1/fr
Application granted granted Critical
Publication of FR2449993B1 publication Critical patent/FR2449993B1/fr
Granted legal-status Critical Current

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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
FR7904776A 1979-02-20 1979-02-20 Systeme de protection d'une machine couplee a un reseau electrique Granted FR2449993A1 (fr)

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 true FR2449993A1 (fr) 1980-09-19
FR2449993B1 FR2449993B1 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
FR (1) FR2449993A1 (enrdf_load_stackoverflow)
IT (1) IT1126945B (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213323A (en) * 1962-10-16 1965-10-19 Westinghouse Electric Corp Breaker tripping signal circuit
FR1493443A (fr) * 1965-04-23 1967-09-01 Acec Relais détecteur de courts-circuits sur des lignes de traction à courant continu
DE1538416A1 (de) * 1966-12-08 1969-09-25 Calor Emag Elek Zitaets Ag Ausloeseeinrichtung fuer Schnellschaltgeraete
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213323A (en) * 1962-10-16 1965-10-19 Westinghouse Electric Corp Breaker tripping signal circuit
FR1493443A (fr) * 1965-04-23 1967-09-01 Acec Relais détecteur de courts-circuits sur des lignes de traction à courant continu
DE1538416A1 (de) * 1966-12-08 1969-09-25 Calor Emag Elek Zitaets Ag Ausloeseeinrichtung fuer Schnellschaltgeraete
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Also Published As

Publication number Publication date
IT1126945B (it) 1986-05-21
IT8047928A0 (it) 1980-02-18
FR2449993B1 (enrdf_load_stackoverflow) 1983-02-11
BE881798A (fr) 1980-06-16

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse