Title :
Carrier-current differential protection for transformer banks
Author_Institution :
General Electric Company, Schenectady, N. Y.
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;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1943.6435888
