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Offline tuning of dynamic settings considering an online central controller in a wind energy harvesting network

机译:考虑风能收集网络中的在线中央控制器,可以离线调整动态设置

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This study aims to define an online reactive power control scheme for a wind energy harvesting network such that it regulates the voltage at the transmission level in a manner comparable to a conventional synchronous plant and hence could be integrated in an existing transmission network hierarchical voltage control scheme. For that purpose, all decentralised elements within the network (wind farms and on load tap changing (OLTC) transformers) should be coordinated. In that sense, a central controller needs to be implemented. Unwanted controller interactions may then arise as the various decentralised controllers dynamically respond to the changing set-points received from a central controller. To mitigate these interactions, this study proposes a novel offline optimisation approach for tuning the dynamic settings (i.e. settings that affect the central controller temporal evolution such as time constant, time delays or dead bands). These settings ensure that the centrally determined set-points can actually be achieved in practice, and unlocking such performance is the principle research contribution of the present study.
机译:这项研究旨在为风能收集网络定义在线无功功率控制方案,以使其以与传统同步电站相当的方式在传输水平上调节电压,因此可以集成到现有的传输网络分层电压控制方案中。为此,应协调网络中的所有分散元素(风电场和有载分接变换(OLTC)变压器)。从这个意义上讲,需要实现中央控制器。然后,随着各种分散的控制器动态响应从中央控制器接收到的变化的设定点,可能会发生不必要的控制器交互。为了减轻这些相互作用,本研究提出了一种新颖的离线优化方法来调整动态设置(即会影响中央控制器时间演变的设置,例如时间常数,时间延迟或死区)。这些设置确保可以在实践中实际达到中央确定的设定点,并且解锁此类性能是本研究的主要研究贡献。

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