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海上风电场疲劳分布与有功功率统一控制

, PP. 190-198

Keywords: 风电场,有功功率,疲劳,智能体,优化

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Abstract:

针对风电场各机组疲劳不均匀导致机组维护不同步的问题,以及风电场疲劳优化和有功功率控制顾此失彼的现状,将机组疲劳优化问题转化为有功功率控制问题,综合考虑尾流效应的影响,提出了利用风电场限值发电形成的有功功率调节自由度进行疲劳优化的原理,基于最优控制理论给出了风电场疲劳分布与有功功率统一控制的控制策略;为使控制策略可基于风电场现有软硬件环境实现,重点基于多智能体技术研究了控制策略的实现方法,设计了多智能体系统的部署方案、智能体层次状态机和智能体间的信息交互方案。仿真表明,提出的方法能在保证风电场有功功率跟踪调度给定值、不损失发电量的前提下,均匀风电场疲劳分布,保证各机组维护的同步性,降低维护频率,减少维护成本。

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