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CH203234A - Protective device for electrical system parts in alternating current networks. - Google Patents

Protective device for electrical system parts in alternating current networks.

Info

Publication number
CH203234A
CH203234A CH203234DA CH203234A CH 203234 A CH203234 A CH 203234A CH 203234D A CH203234D A CH 203234DA CH 203234 A CH203234 A CH 203234A
Authority
CH
Switzerland
Prior art keywords
alternating current
protective device
electrical system
system parts
current networks
Prior art date
Application number
Other languages
German (de)
Inventor
Haftung Licentia Beschraenkter
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH203234A publication Critical patent/CH203234A/en

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
    • H02H3/26—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
    • H02H3/30—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 using pilot wires or other signalling channel
    • H02H3/302—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 using pilot wires or other signalling channel involving phase comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
CH203234D 1935-08-06 1937-12-18 Protective device for electrical system parts in alternating current networks. CH203234A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEA76751D DE665038C (en) 1935-08-06 1935-08-06 Protection circuit for electrical system parts
CH203234T 1939-03-30

Publications (1)

Publication Number Publication Date
CH203234A true CH203234A (en) 1939-02-28

Family

ID=61187921

Family Applications (1)

Application Number Title Priority Date Filing Date
CH203234D CH203234A (en) 1935-08-06 1937-12-18 Protective device for electrical system parts in alternating current networks.

Country Status (2)

Country Link
CH (1) CH203234A (en)
DE (1) DE665038C (en)

Also Published As

Publication number Publication date
DE665038C (en) 1938-09-15

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