DE2712975C2 - Statorerdschlußschutz für Generatoren in Blockschaltung - Google Patents

Statorerdschlußschutz für Generatoren in Blockschaltung

Info

Publication number
DE2712975C2
DE2712975C2 DE2712975A DE2712975A DE2712975C2 DE 2712975 C2 DE2712975 C2 DE 2712975C2 DE 2712975 A DE2712975 A DE 2712975A DE 2712975 A DE2712975 A DE 2712975A DE 2712975 C2 DE2712975 C2 DE 2712975C2
Authority
DE
Germany
Prior art keywords
voltage
earth fault
fault protection
displacement
stator
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.)
Expired
Application number
DE2712975A
Other languages
German (de)
English (en)
Other versions
DE2712975A1 (de
Inventor
Michael Dipl.-Ing. Wettingen Aargau Fiorentzis
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 DE2712975A1 publication Critical patent/DE2712975A1/de
Application granted granted Critical
Publication of DE2712975C2 publication Critical patent/DE2712975C2/de
Expired 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
    • H02H3/16—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Ac-Ac Conversion (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Protection Of Generators And Motors (AREA)
  • Measurement Of Current Or Voltage (AREA)
DE2712975A 1977-03-01 1977-03-24 Statorerdschlußschutz für Generatoren in Blockschaltung Expired DE2712975C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH254777A CH615536A5 (en) 1977-03-01 1977-03-01 Method for achieving 100% stator earth fault protection for a generator in unit connection

Publications (2)

Publication Number Publication Date
DE2712975A1 DE2712975A1 (de) 1978-09-07
DE2712975C2 true DE2712975C2 (de) 1987-01-29

Family

ID=4236244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2712975A Expired DE2712975C2 (de) 1977-03-01 1977-03-24 Statorerdschlußschutz für Generatoren in Blockschaltung

Country Status (5)

Country Link
CH (1) CH615536A5 (US20030220297A1-20031127-C00074.png)
DE (1) DE2712975C2 (US20030220297A1-20031127-C00074.png)
FI (1) FI67977C (US20030220297A1-20031127-C00074.png)
GB (1) GB1601235A (US20030220297A1-20031127-C00074.png)
SE (1) SE424031B (US20030220297A1-20031127-C00074.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401442B (de) * 1993-06-18 1996-09-25 Elin Energieversorgung Einrichtung zum schutz der ständerwicklung von einer synchronmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1463574B1 (de) * 1964-01-18 1970-06-04 Siemens Ag Erdschlussschutzeinrichtung fuer galvanisch vom Netz getrennte Wechsel- oder Drehstromsysteme

Also Published As

Publication number Publication date
FI67977C (fi) 1985-06-10
CH615536A5 (en) 1980-01-31
DE2712975A1 (de) 1978-09-07
SE7801944L (sv) 1978-09-02
FI67977B (fi) 1985-02-28
FI780550A (fi) 1978-09-02
SE424031B (sv) 1982-06-21
GB1601235A (en) 1981-10-28

Similar Documents

Publication Publication Date Title
DE2713252C2 (de) Verfahren zur Erfassung eines Erdfehlers am Rotorkreis eines Generators und Vorrichtung zur Durchführung des Verfahrens
DE3438818C2 (de) Fehlerstrom-Schutzschalter
DE19714972A1 (de) Einrichtung zur Überwachung der Applikation einer Neutralelektrode
DE102015102485A1 (de) Vorrichtung und Verfahren zur Fehlerstromdetektion
DE2542811B1 (de) Schaltungsanordnung zur messung des erdwiderstandes einer erdfreien starkstromschaltung
DE2112065C2 (de) Differentialrelais zur Überwachung einer Wechselstromleitung gegen Erdschlüsse
EP1267467B1 (de) Vorrichtung zum Erfassen von elektrischen Differenzströmen
DE2852582C2 (US20030220297A1-20031127-C00074.png)
DE3779749T2 (de) Schaltung zum messen des die primaerwicklung des ausgangstransformators eines wechselrichters durch fliessenden gleichstromanteiles.
DE2803690A1 (de) Schutzrelaisschaltung zum bilden einer kombinierten distanz- und ueberstromfunktion
DE2502322C2 (de) Erdschluß-Schutzeinrichtung
DE2713231A1 (de) Erdschlusschutzverfahren fuer parallel arbeitende generatoren
DE2712975C2 (de) Statorerdschlußschutz für Generatoren in Blockschaltung
DE2115807C3 (de) Erdschlußschutzeinrichtung für elektrische Geräte mit in Stern geschalteten Wicklungen
DE2731453C3 (de) Erdschlußdetektor
DE823752C (de) Einrichtung zum Schutz eines Teiles einer elektrischen Kraftanlage gegen innere Fehler dieses Teiles
DE4213443C1 (de) Schaltungsanordnung zur Überwachung des Ausfalls von Sicherungen
DE2555221C2 (de) Verfahren zur Erfassung von Fehlerströmen beliebiger Art
DE3013212C2 (US20030220297A1-20031127-C00074.png)
DE2530350C3 (de) Speiseschaltung für Fernsehgeräte
DE2216377B2 (de) Differentialschutz
DE2702666C3 (de) Schaltungsanordnung zur Überwachung der Phasenströme in Mehrphasennetzen
DE2426871A1 (de) Erdschluss-ueberwachungseinrichtung
DE3928551A1 (de) Schaltungsanordnung zum erfassen von erdschluessen und windungsschluessen an einer drehstrommaschine
DE2529943B2 (de) Elektronische Schaltungsanordnung zum Parallelschalten von Wechselstromnetzen

Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: LUECK, G., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 7891

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BBC BROWN BOVERI AG, BADEN, AARGAU, CH

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8339 Ceased/non-payment of the annual fee