Programme: Electrical and Electronics Engineering

Permanent URI for this collectionhttp://itsupport.cu.edu.ng:4000/handle/123456789/28774

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Start date: 2018Subject: search.filters.subject.condition-based maintenance

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    Optimal Maintenance Strategy for Power Transmission Infrastructure
    (Conf. Series: Earth and Environmental Science 1492, 2024) Somefu T. E.; Oluseyi P. O.; Babatunde O. M.; Somefun C. T.; Longe O. M.; Samuel Isaac A.; Awelewa Ayokunle
    In modern electricity markets, reducing operational costs while improving reliability is a primary concern for power system operators. However, Nigeria's aging power transmission network remains vulnerable, necessitating the implementation of optimal maintenance strategies to enhance system reliability. This study introduces a method for mitigating degradation in transmission components through condition-based maintenance, using a hybrid approach that combines the nonhomogeneous continuous time Markov chain (NHCTMC) for system state detection and the differential evolution (DE) algorithm for optimizing maintenance actions. The method is tested on a substation transmission network under various maintenance scenarios. Results indicate a significant improvement in system reliability (90.3%) and an efficient condition-based maintenance strategy achieving 91.3% power delivery. This approach offers promising potential for enhancing the power delivery capacity of the network.