FR2291633A1 - Dispositif de detection des defauts a la terre - Google Patents

Dispositif de detection des defauts a la terre

Info

Publication number
FR2291633A1
FR2291633A1 FR7534093A FR7534093A FR2291633A1 FR 2291633 A1 FR2291633 A1 FR 2291633A1 FR 7534093 A FR7534093 A FR 7534093A FR 7534093 A FR7534093 A FR 7534093A FR 2291633 A1 FR2291633 A1 FR 2291633A1
Authority
FR
France
Prior art keywords
frequency
low frequency
bias voltage
filters
detection 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
FR7534093A
Other languages
English (en)
French (fr)
Other versions
FR2291633B1 (cs
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 FR2291633A1 publication Critical patent/FR2291633A1/fr
Application granted granted Critical
Publication of FR2291633B1 publication Critical patent/FR2291633B1/fr
Granted legal-status Critical Current

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)
FR7534093A 1974-11-14 1975-11-07 Dispositif de detection des defauts a la terre Granted FR2291633A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1518474A CH579840A5 (cs) 1974-11-14 1974-11-14

Publications (2)

Publication Number Publication Date
FR2291633A1 true FR2291633A1 (fr) 1976-06-11
FR2291633B1 FR2291633B1 (cs) 1982-04-02

Family

ID=4407066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534093A Granted FR2291633A1 (fr) 1974-11-14 1975-11-07 Dispositif de detection des defauts a la terre

Country Status (4)

Country Link
CH (1) CH579840A5 (cs)
DE (1) DE2458530C2 (cs)
FR (1) FR2291633A1 (cs)
NL (1) NL7513203A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558264A1 (fr) * 1984-01-18 1985-07-19 Forclum Procede de surveillance de l'etat d'isolement des conducteurs d'un reseau electrique

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100514972B1 (ko) * 1996-04-01 2005-09-15 록히드 마틴 코포레이션 복사선 정렬 방법과 정렬 장치
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2115807A1 (de) * 1971-04-01 1972-10-12 Siemens Ag Erdschlußschutzeinrichtung fur elektrische Gerate mit in Stern ge schalteten Wicklungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125529B (de) * 1960-05-10 1962-03-15 Siemens Ag Selektiver Erdschlussschutz

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2115807A1 (de) * 1971-04-01 1972-10-12 Siemens Ag Erdschlußschutzeinrichtung fur elektrische Gerate mit in Stern ge schalteten Wicklungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV8137/72 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558264A1 (fr) * 1984-01-18 1985-07-19 Forclum Procede de surveillance de l'etat d'isolement des conducteurs d'un reseau electrique

Also Published As

Publication number Publication date
FR2291633B1 (cs) 1982-04-02
DE2458530C2 (de) 1986-11-06
DE2458530A1 (de) 1976-05-20
NL7513203A (nl) 1976-05-18
CH579840A5 (cs) 1976-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse