Abstract
Redundancy is the frequent method used to enhance the performance of any industrial system. However, it adds additional time and cost. A cold redundant unit requires a finite activation time when operated. The chapter presents the modeling and evaluation of different measures such as transition probabilities, mean time to system failure (MTSF), reliability, and availability analysis for a two-unit cold redundant system with varied demand. The conventional reliability definitions and principles such as regenerative point technique, Markov processes are used as the basics. Different cases of availability are discussed depending upon the demand. Such an analysis has not been done so far. Various graphs and results show the behavior of MTSF, availability with respect to different parameters. The developed model is general, so can be used by any industry/manufacturing plant using the same concept. As an example, “General Cable Energy System” Baddi in Himachal Pradesh, India, creating roughly 150km of cable wire per day, has been considered to illustrate the proposed approach.
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