Title :
Principles of protective relaying
Author :
Harder, E. L. ; Marter, W. E.
Author_Institution :
Westinghouse Electric Corporation, East Pittsburgh, Pa.
Abstract :
Development of relaying to improve fault isolation in power systems has led to many devices and schemes. The more commonly used relay characteristics and their underlying principles of operation are summarized in this article for convenient reference and comparison.
Keywords :
Circuit faults; Current transformers; Impedance; Magnetic flux; Protective relaying; Torque;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1948.6444447
