DE128923C - - Google Patents

Info

Publication number
DE128923C
DE128923C DENDAT128923D DE128923DA DE128923C DE 128923 C DE128923 C DE 128923C DE NDAT128923 D DENDAT128923 D DE NDAT128923D DE 128923D A DE128923D A DE 128923DA DE 128923 C DE128923 C DE 128923C
Authority
DE
Germany
Prior art keywords
line
coil
overhead
protective
electromagnet
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.)
Active
Application number
DENDAT128923D
Other languages
German (de)
English (en)
Publication of DE128923C publication Critical patent/DE128923C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/28Emergency 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
    • H02H3/30Emergency 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
DENDAT128923D Active DE128923C (en, 2012)

Publications (1)

Publication Number Publication Date
DE128923C true DE128923C (en, 2012)

Family

ID=397423

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT128923D Active DE128923C (en, 2012)

Country Status (1)

Country Link
DE (1) DE128923C (en, 2012)

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