FR2382120A1 - Procede et dispositif pour la surveillance de surintensites d'un courant polyphase - Google Patents

Procede et dispositif pour la surveillance de surintensites d'un courant polyphase

Info

Publication number
FR2382120A1
FR2382120A1 FR7721908A FR7721908A FR2382120A1 FR 2382120 A1 FR2382120 A1 FR 2382120A1 FR 7721908 A FR7721908 A FR 7721908A FR 7721908 A FR7721908 A FR 7721908A FR 2382120 A1 FR2382120 A1 FR 2382120A1
Authority
FR
France
Prior art keywords
phase
currents
low
current
short circuit
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
FR7721908A
Other languages
English (en)
French (fr)
Other versions
FR2382120B1 (de
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2382120A1 publication Critical patent/FR2382120A1/fr
Application granted granted Critical
Publication of FR2382120B1 publication Critical patent/FR2382120B1/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
    • H02H3/08—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 excess current
    • H02H3/083—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 excess current for three-phase systems

Landscapes

  • Emergency Protection Circuit Devices (AREA)
FR7721908A 1977-02-28 1977-07-18 Procede et dispositif pour la surveillance de surintensites d'un courant polyphase Granted FR2382120A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH247477A CH614317A5 (en) 1977-02-28 1977-02-28 Method and device for multi-phase overcurrent monitoring

Publications (2)

Publication Number Publication Date
FR2382120A1 true FR2382120A1 (fr) 1978-09-22
FR2382120B1 FR2382120B1 (de) 1981-08-21

Family

ID=4234612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7721908A Granted FR2382120A1 (fr) 1977-02-28 1977-07-18 Procede et dispositif pour la surveillance de surintensites d'un courant polyphase

Country Status (7)

Country Link
AT (1) AT363544B (de)
CH (1) CH614317A5 (de)
DE (1) DE2713587C3 (de)
DK (1) DK74778A (de)
FR (1) FR2382120A1 (de)
NL (1) NL7802070A (de)
SE (1) SE427075B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380592B (de) * 1981-09-17 1986-06-10 Elin Union Ag Schutzrelais fuer elektrische maschinen
DE3905335A1 (de) * 1989-02-22 1990-08-23 Licentia Gmbh Verfahren und vorrichtung zum erzeugen von ausloesesignalen fuer schalter bei kurzschluessen an sammelschienen und/oder sammelschienenabschnitten
DE19503809B4 (de) * 1995-02-06 2005-01-20 Bayerische Motoren Werke Ag Sicherungsvorrichtung für eine Stromleitung in Fahrzeugen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102278B (de) * 1958-08-18 1961-03-16 Licentia Gmbh Schaltungsanordnung zur Messung der Spannungs- oder Stromunsymmetrie

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102278B (de) * 1958-08-18 1961-03-16 Licentia Gmbh Schaltungsanordnung zur Messung der Spannungs- oder Stromunsymmetrie

Also Published As

Publication number Publication date
ATA138478A (de) 1981-01-15
AT363544B (de) 1981-08-10
DE2713587C3 (de) 1980-08-14
FR2382120B1 (de) 1981-08-21
DE2713587B2 (de) 1979-11-29
CH614317A5 (en) 1979-11-15
DK74778A (da) 1978-08-29
NL7802070A (nl) 1978-08-30
DE2713587A1 (de) 1978-08-31
SE427075B (sv) 1983-02-28
SE7801950L (sv) 1978-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse