• DocumentCode
    1443437
  • Title

    Carrier-current differential protection for transformer banks

  • Author

    Cramer, T. A.

  • Author_Institution
    General Electric Company, Schenectady, N. Y.
  • Volume
    62
  • Issue
    8
  • fYear
    1943
  • Firstpage
    545
  • Lastpage
    548
  • Abstract
    WHEN carrier current was first applied to protective relaying of the directional type, it consisted of a simple telegraph channel. Subsequent developments have expanded the capabilities to the extent that each carrier channel for pilot relaying now may provide one or more of the following additional services:
  • Keywords
    Circuit breakers; Circuit faults; Electron tubes; Oscillators; Power transformers; Receivers; Relays;
  • fLanguage
    English
  • Journal_Title
    Electrical Engineering
  • Publisher
    ieee
  • ISSN
    0095-9197
  • Type

    jour

  • DOI
    10.1109/EE.1943.6435888
  • Filename
    6435888