Title :
Microprocessor-based protective relays
Author :
Kirby, Richard D. ; Schwartz, Ronald A.
Author_Institution :
Schweitzer Eng. Labs., Inc., Houston, TX, USA
Abstract :
This article describes the benefits of microprocessor (muP) relay performance and its capabilities beyond previous protective relaying technologies. This article also discusses a multiple quality-measurement approach to observing, measuring, and then calculating muP relay reliability and unavailability.
Keywords :
power system measurement; relay protection; microprocessor-based protective relays; multiple quality-measurement approach; Availability; Digital relays; Electrical equipment industry; Industrial accidents; Power engineering and energy; Power system protection; Power system relaying; Power system reliability; Protective relaying; Reliability engineering;
Journal_Title :
Industry Applications Magazine, IEEE
DOI :
10.1109/MIAS.2009.933405