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首页> 外文期刊>Renewable energy >Optimal reactive power dispatch of permanent magnet synchronous generator-based wind farm considering levelised production cost minimisation
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Optimal reactive power dispatch of permanent magnet synchronous generator-based wind farm considering levelised production cost minimisation

机译：考虑水平化生产成本最小化的基于永磁同步发电机的风电场的无功优化分配

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摘要

As wind power penetration increases, large wind farms (WFs) need to provide reactive power according to modern grid codes. Permanent magnet synchronous generator-based wind turbines (WTs) can generate reactive power, by assigning the appropriate reactive power to each WT to meet the reactive power requirements of the grid. This is a more economical method than setting up additional reactive power compensation equipment. This study proposes an optimal reactive power dispatch strategy for minimising a levelised production cost, and is implemented in two ways: minimising the power loss of a WF, and maximising the lifetime of WTs. The reactive power references of each WT are chosen as the optimisation variables, and a particle swarm optimisation algorithm is adopted to solve the optimisation problem. The proposed and traditional reactive power dispatch strategies are demonstrated and compared on a WF with 25 WTs to validate the effectiveness of the proposed approach. (C) 2019 Elsevier Ltd. All rights reserved.
机译：随着风能渗透率的提高，大型风电场（WF）需要根据现代电网法规提供无功功率。通过为每个WT分配适当的无功功率来满足电网的无功功率，基于永磁同步发电机的风力涡轮机（WT）可以产生无功功率。这比设置额外的无功功率补偿设备更为经济。这项研究提出了一种最佳的无功功率分配策略，以最小化生产成本的平均水平，并以两种方式实施：最小化WF的功率损耗以及最大化WT的寿命。选择每个WT的无功参考作为优化变量，并采用粒子群算法求解该优化问题。演示了建议的和传统的无功功率分配策略，并在具有25个WT的WF上进行了比较，以验证所提出方法的有效性。 （C）2019 Elsevier Ltd.保留所有权利。

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