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An improved opportunistic group replacement maintenance strategy for wind turbines
Energy Science & Engineering ( IF 3.5 ) Pub Date : 2020-06-30 , DOI: 10.1002/ese3.770 Zhiyong Ma 1 , Dameng Wang 1 , Shiming Wu 2 , Wei Teng 1 , Yibing Liu 1
Energy Science & Engineering ( IF 3.5 ) Pub Date : 2020-06-30 , DOI: 10.1002/ese3.770 Zhiyong Ma 1 , Dameng Wang 1 , Shiming Wu 2 , Wei Teng 1 , Yibing Liu 1
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In traditional opportunistic group replacement maintenance (OGRM) strategy for wind turbines, the reliability thresholds of different subassemblies are set the same and its two‐step optimization for maintenance cost is diseconomy. In this paper, an improved OGRM strategy for wind turbines is proposed. A uniform formulation on maintenance cost concerning different maintenance activities is presented. On the basis of this, an integrated objective function minimizing the maintenance cost is established, and the reliability thresholds of each subassembly of wind turbines are individually severed as the optimization variables of the objective function. The coordinate rotation method is utilized for solving this optimization problem. A maintenance case based on the proposed strategy from a wind farm in North China is implemented, which verifies its superior performance than the traditional opportunistic group maintenance strategy.
中文翻译：
改进的机会主义风电组更换维护策略
在传统的机会主义风力发电机组替换维护（OGRM）策略中，将不同组件的可靠性阈值设置为相同，并且其两步优化的维护成本是不经济的。本文提出了一种改进的风力发电机OGRM策略。提出了有关不同维护活动的维护成本的统一表述。在此基础上，建立了一个将维护成本降至最低的集成目标函数，并将各个风力涡轮机子组件的可靠性阈值分别作为目标函数的优化变量。坐标旋转法用于解决该优化问题。实施了基于华北风电场拟议策略的维护案例，
更新日期：2020-06-30
中文翻译：
改进的机会主义风电组更换维护策略
在传统的机会主义风力发电机组替换维护（OGRM）策略中，将不同组件的可靠性阈值设置为相同，并且其两步优化的维护成本是不经济的。本文提出了一种改进的风力发电机OGRM策略。提出了有关不同维护活动的维护成本的统一表述。在此基础上，建立了一个将维护成本降至最低的集成目标函数，并将各个风力涡轮机子组件的可靠性阈值分别作为目标函数的优化变量。坐标旋转法用于解决该优化问题。实施了基于华北风电场拟议策略的维护案例，
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