CH228757A - Anordnung bei Differentialschutzvorrichtungen. - Google Patents

Anordnung bei Differentialschutzvorrichtungen.

Info

Publication number
CH228757A
CH228757A CH228757DA CH228757A CH 228757 A CH228757 A CH 228757A CH 228757D A CH228757D A CH 228757DA CH 228757 A CH228757 A CH 228757A
Authority
CH
Switzerland
Prior art keywords
arrangement
protection devices
differential protection
differential
devices
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Aktiebolaget Allman Elektriska
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of CH228757A publication Critical patent/CH228757A/de

Links

Classifications

    • 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
    • H02H7/04—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 transformers
    • H02H7/045—Differential protection of transformers
    • H02H7/0455—Differential protection of transformers taking into account saturation of current transformers
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH228757D 1941-05-05 1942-04-10 Anordnung bei Differentialschutzvorrichtungen. CH228757A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE228757X 1941-05-05

Publications (1)

Publication Number Publication Date
CH228757A true CH228757A (de) 1943-09-15

Family

ID=20305632

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228757D CH228757A (de) 1941-05-05 1942-04-10 Anordnung bei Differentialschutzvorrichtungen.

Country Status (4)

Country Link
CH (1) CH228757A (fr)
DE (1) DE762983C (fr)
FR (1) FR881766A (fr)
GB (1) GB554210A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE612747C (de) * 1928-08-04 1935-05-03 Siemens & Halske Akt Ges Differentialschutzanordnung fuer Teile einer elektrischen Anlage

Also Published As

Publication number Publication date
FR881766A (fr) 1943-05-07
DE762983C (de) 1953-06-22
GB554210A (en) 1943-06-24

Similar Documents

Publication Publication Date Title
CH269290A (fr) Turbine.
CH257168A (fr) Perceuse.
CH257959A (fr) Motoculteur.
CH228757A (de) Anordnung bei Differentialschutzvorrichtungen.
FR916136A (fr) Séparateur-collecteur de poussières
CH230478A (de) Kötzerspulmaschine.
CH227870A (de) Abschmelzsicherung.
CH233620A (fr) Porte-outil.
CH219784A (de) Uberspannungsschutzvorrichtung.
FR874104A (fr) Protège-pantalon
DK60419C (da) Ajlebeholder.
CH219678A (de) Tintengeschirr.
CH224806A (de) Telegrammformular.
CH230522A (de) Gasspürgerät.
FR874827A (fr) Turbo-moteur
DK61460C (da) Værktøjskasse.
CH226269A (de) Bearbeitungsvorrichtung.
ES153761A3 (es) Diferencial de carga
DK62257C (da) Støvmaske.
DK60955C (da) Æske.
DK59556C (da) Tændstikæskehylster.
DK60950C (da) Tændstikæskeetui.
DK63595C (da) Kogekar.
DK60703C (da) Fallelaas.
DK61398C (da) Metaltube.