摘要
海上天气环境恶劣、可进入性差,给海上风电机组的运行维护带来了巨大挑战。该文引入天气因子、可及率和容量因子,分别描述天气对机组劣化过程、维护停机时间和单位时间停机损失的影响。将海上风电机组视为多部件串联系统,以维护成本最小为目标,部件可靠度为约束,构建了考虑天气因素的预防性机会维护模型。维护策略考虑不完全维护和更换两种方式,结合部件劣化情况和维护费用,以费效比作为维护方式的决策依据。以某海上风电场单台风电机组为例,将文中所提策略与不考虑天气因素的预防性维护策略、机会维护策略进行了对比,分析了天气、部件劣化、维护程度等因素对策略的影响。仿真结果验证了所提维护策略的有效性和优越性。
Harsh marine environment and poor accessibility bring great challenge to the operation and maintenance of offshore wind turbines. In this paper, the weather factor, accessibility and capacity factor were introduced to describe the influence of the weather on the component deterioration process, maintenance downtime and downtime loss per unit respectively. The offshore wind turbine was treated as a multi components series system and the preventive opportunistic maintenance model considering weather conditions was constructed by taking the minimum maintenance cost as objective and component reliability as constraints. The imperfect maintenance and replacement were considered in maintenance strategy. Combined with the deterioration of component and maintenance cost, the return on investment ratio was taken as the decision basis of maintenance mode. Finally, taking a single wind turbine in an offshore wind farm as an example,the strategy proposed was compared with the preventive maintenance strategy and the opportunity maintenance strategy without taking into account weather factors, and the effects of weather, component deterioration and maintenance degree were analyzed. The simulation results verified the effectiveness and superiority of the proposed maintenance strategy.
作者
符杨
许伟欣
刘璐洁
张开华
张智伟
FU Yang;XUWeixin;LIU Lujie;ZHANG Kaihua;ZHANG Zhiwei(Department of Electrical Engineering,Shanghai University of Electric Power Shanghai,Yangpu District,Shanghai 200090,China;State Grid Yangzhou Power Supply Company,Yangzhou 225001,Jiangsu Province,China;Shanghai Green Environmental Protection Energy Co.,Ltd.,Yangpu District,Shanghai 200433,China)
出处
《中国电机工程学报》
EI
CSCD
北大核心
2018年第20期5947-5956,共10页
Proceedings of the CSEE
基金
国家自然科学基金青年科学基金(51707112)
上海绿色能源并网工程技术研究中心(13DZ2251900)
上海市科技创新行动计划(18DZ1202400)~~
关键词
海上风电机组
天气因素
多部件
费效比
预防性机会维护
offshore wind turbine
weather conditions
multi components
return on investment ratio
preventiveopportunistic maintenance
