NDLI: Lifetime efficiency index model for optimal maintenance of power substation equipment based on cuckoo optimisation algorithm

Content Provider	IET Digital Library
Author	Afzali, Peyman Keynia, Farshid
Abstract	This study presents a lifetime efficiency index model for substation equipment and proposes an appropriate method for the optimal maintenance of substation equipment. Along the substation equipment lifetime, due to ageing and daily operations, the failure rate increases gradually. So it is needed to do a maintenance strategy for the aim of reduction in the failure rate and improvement in the reliability of equipment. The maintenance strategy for substation equipment typically consists of preventive and corrective maintenance. By the lifetime efficiency index, one can analyse the lifetime of the equipment under the conditions of with and without maintenance. In this study, the failure rate of the equipment is modelled by the appropriate Weibull distribution. Maintenance can keep equipment in normal condition, but it incurs cost. The maintenance strategy should be optimised for the minimum maintenance cost under the required reliability condition. In order to solve this objective problem, a cuckoo optimisation algorithm (COA) is used and results are evaluated. The results based on an example show that the proposed COA was indeed capable of obtaining higher quality solutions than other methods for the optimal maintenance.
Starting Page	2787
Ending Page	2795
Page Count	9
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 11, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.1719
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-05-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	COA Corrective Maintenance Costing Cuckoo Optimisation Algorithm Equipment Reliability Failure Analysis Failure Rate Lifetime Efficiency Index Model Maintenance Strategy Minimum Maintenance Cost Optimal Maintenance Optimisation Plant Engineering, Maintenance And Safety Power Substation Equipment Preventive Maintenance Reliability Statistics Substation Equipment Lifetime Substations Weibull Distribution
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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