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| Content Provider | IET Digital Library |
|---|---|
| Author | Ma, Zhiyong Wang, Dameng Teng, Wei Liu, Yibing |
| Abstract | Deficiencies exist during applying the traditional preventive opportunistic maintenance (POM) strategy to wind turbines. For example, its rough cost analysis only provides a total instead of the staged cost of once maintenance, which cannot give precise cost composition. Setting identical thresholds for all subassemblies reduces the potential of cost saving etc. An enhanced POM strategy for wind turbines is presented in this study with the consideration of maintenance modes including no maintenance, imperfect maintenance and replacement. The reliability variations of subassemblies under different maintenance modes are described by Weibull distribution with an age reduction factor. On the basis of reliability variations, a formula is proposed to uniformly compute maintenance cost under each maintenance mode via subdividing the cost in the light of diverse maintenance stages. An integrated objective function minimising the maintenance cost is established and solved, where reliability thresholds of each subassembly are separately set as optimisation variables. The enhanced POM strategy is applied to a wind farm in North China, verifying its effectiveness. |
| Starting Page | 2913 |
| Ending Page | 2921 |
| Page Count | 9 |
| ISSN | 17521416 |
| Volume Number | 13 |
| e-ISSN | 17521424 |
| Issue Number | Issue 15, Nov (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/13/15 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.0372 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2019-09-03 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Different Maintenance Modes Diverse Maintenance Stages Enhanced POM Strategy Imperfect Maintenance Maintenance And Reliability Maintenance Cost Maintenance Engineering Maintenance Mode Optimisation Optimisation Technique Precise Cost Composition Preventive Maintenance Reliability Reliability Variations Rough Cost Analysis Staged Cost Subassembly Traditional Preventive Opportunistic Maintenance Strategy Weibull Distribution Wind Farm Wind Power Plant Wind Turbine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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