AT304683B - Schaltungsanordnung mit Halbleiterfühlern zum Schutz von elektrischen Vorrichtungen gegen Übertemperaturen - Google Patents

Schaltungsanordnung mit Halbleiterfühlern zum Schutz von elektrischen Vorrichtungen gegen Übertemperaturen

Info

Publication number
AT304683B
AT304683B AT1100568A AT1100568A AT304683B AT 304683 B AT304683 B AT 304683B AT 1100568 A AT1100568 A AT 1100568A AT 1100568 A AT1100568 A AT 1100568A AT 304683 B AT304683 B AT 304683B
Authority
AT
Austria
Prior art keywords
circuit arrangement
electrical devices
semiconductor sensors
devices against
protecting electrical
Prior art date
Application number
AT1100568A
Other languages
English (en)
Inventor
Gyoergy Dipl Ing Szell
Gabor Dani
Geza Dipl Ing Anda
Istvan Szabo
Original Assignee
Villamos Berendezes Es Keszule
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 Villamos Berendezes Es Keszule filed Critical Villamos Berendezes Es Keszule
Application granted granted Critical
Publication of AT304683B publication Critical patent/AT304683B/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
    • H02H7/08—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 motors
    • H02H7/085—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 motors against excessive load
    • H02H7/0852—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 motors against excessive load directly responsive to abnormal temperature by using a temperature sensor
    • 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
    • H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/347—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Generators And Motors (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Ac Motors In General (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
AT1100568A 1967-11-14 1968-11-12 Schaltungsanordnung mit Halbleiterfühlern zum Schutz von elektrischen Vorrichtungen gegen Übertemperaturen AT304683B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUDA000241 1967-11-14

Publications (1)

Publication Number Publication Date
AT304683B true AT304683B (de) 1973-01-25

Family

ID=10994866

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1100568A AT304683B (de) 1967-11-14 1968-11-12 Schaltungsanordnung mit Halbleiterfühlern zum Schutz von elektrischen Vorrichtungen gegen Übertemperaturen

Country Status (3)

Country Link
AT (1) AT304683B (de)
FR (1) FR96088E (de)
GB (1) GB1248408A (de)

Also Published As

Publication number Publication date
DE1809496B2 (de) 1976-01-29
GB1248408A (en) 1971-10-06
DE1809496A1 (de) 1969-08-07
FR96088E (fr) 1972-05-19

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee