AT247948B - Längsdifferentialschutz mit drei Hilfsleitungen - Google Patents

Längsdifferentialschutz mit drei Hilfsleitungen

Info

Publication number
AT247948B
AT247948B AT177465A AT177465A AT247948B AT 247948 B AT247948 B AT 247948B AT 177465 A AT177465 A AT 177465A AT 177465 A AT177465 A AT 177465A AT 247948 B AT247948 B AT 247948B
Authority
AT
Austria
Prior art keywords
differential protection
auxiliary lines
line differential
line
auxiliary
Prior art date
Application number
AT177465A
Other languages
English (en)
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
Priority claimed from DEL47194A external-priority patent/DE1196774B/de
Priority claimed from DEL48879A external-priority patent/DE1210074B/de
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Application granted granted Critical
Publication of AT247948B publication Critical patent/AT247948B/de

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
    • H02H3/305—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 current comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
AT177465A 1964-03-03 1965-03-01 Längsdifferentialschutz mit drei Hilfsleitungen AT247948B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL47194A DE1196774B (de) 1964-03-03 1964-03-03 Laengsdifferentialschutz mit drei Hilfsleitungen
DEL48879A DE1210074B (de) 1964-09-28 1964-09-28 Laengsdifferentialschutz mit drei Hilfsleitungen

Publications (1)

Publication Number Publication Date
AT247948B true AT247948B (de) 1966-07-11

Family

ID=25985794

Family Applications (1)

Application Number Title Priority Date Filing Date
AT177465A AT247948B (de) 1964-03-03 1965-03-01 Längsdifferentialschutz mit drei Hilfsleitungen

Country Status (2)

Country Link
AT (1) AT247948B (de)
CH (1) CH420346A (de)

Also Published As

Publication number Publication date
CH420346A (de) 1966-09-15

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