This paper provides a quantitative assessment effort of availability indicators for the specific microprocessor structure of the relay protection system by analogy with an assessment of similar digital systems in other sectors. The reliability indicators of the original backup structure for a certain digital protection system were analysed in the supplied study, at which its hardware was assessed without taking software reliability into account. The models of system components' reliability are offered. The calculating sequence is depicted. The calculation results provide an optimistic assessment of such protection creation and show the impact of the number of autonomous protection blocks reserved by the central protection and recovery time on system availability.
Author(S) Details
Michael Uspensky
Komi SC UB RAS, Syktyvkar, Russian Federation.
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