DE2712975A1 - Verfahren zur erzielung eines 100%- statorerdschlusschutzes fuer generatoren in blockschaltung - Google Patents

Verfahren zur erzielung eines 100%- statorerdschlusschutzes fuer generatoren in blockschaltung

Info

Publication number
DE2712975A1
DE2712975A1 DE19772712975 DE2712975A DE2712975A1 DE 2712975 A1 DE2712975 A1 DE 2712975A1 DE 19772712975 DE19772712975 DE 19772712975 DE 2712975 A DE2712975 A DE 2712975A DE 2712975 A1 DE2712975 A1 DE 2712975A1
Authority
DE
Germany
Prior art keywords
voltage
earth
multiplier
displacement
displacement voltage
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
DE19772712975
Other languages
German (de)
English (en)
Other versions
DE2712975C2 (US08063081-20111122-C00044.png
Inventor
Michael Dipl Ing 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
BBC Brown Boveri France SA
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, BBC Brown Boveri France SA 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
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
    • H02H3/16—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)
  • Measurement Of Current Or Voltage (AREA)
DE19772712975 1977-03-01 1977-03-24 Verfahren zur erzielung eines 100%- statorerdschlusschutzes fuer generatoren in blockschaltung Granted DE2712975A1 (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 true DE2712975A1 (de) 1978-09-07
DE2712975C2 DE2712975C2 (US08063081-20111122-C00044.png) 1987-01-29

Family

ID=4236244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772712975 Granted DE2712975A1 (de) 1977-03-01 1977-03-24 Verfahren zur erzielung eines 100%- statorerdschlusschutzes fuer generatoren in blockschaltung

Country Status (5)

Country Link
CH (1) CH615536A5 (US08063081-20111122-C00044.png)
DE (1) DE2712975A1 (US08063081-20111122-C00044.png)
FI (1) FI67977C (US08063081-20111122-C00044.png)
GB (1) GB1601235A (US08063081-20111122-C00044.png)
SE (1) SE424031B (US08063081-20111122-C00044.png)

Cited By (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

Citations (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

Patent Citations (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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DE-B.: Kl.Götte u.a. Taschenbuch Betriebs- meßtechnik, 1.Aufl., 1974, VEB-Verlag Technik Berlin *
DE-B.: Kl.G�tte u.a. Taschenbuch Betriebs- me�technik, 1.Aufl., 1974, VEB-Verlag Technik Berlin *

Cited By (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

Also Published As

Publication number Publication date
FI780550A (fi) 1978-09-02
FI67977B (fi) 1985-02-28
DE2712975C2 (US08063081-20111122-C00044.png) 1987-01-29
SE424031B (sv) 1982-06-21
GB1601235A (en) 1981-10-28
SE7801944L (sv) 1978-09-02
CH615536A5 (en) 1980-01-31
FI67977C (fi) 1985-06-10

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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