考虑风光不确定性的虚拟电厂合作博弈调度及收益分配策略
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TM74

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国家自然科学基金资助项目(62233006)


Cooperative game scheduling and revenue sharing strategy for virtual power plants considering scenery uncertainty
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    摘要:

    虚拟电厂(virtual power plant,VPP)通过先进的控制技术高效聚合容量小、数量多的分布式能源(distributed energy resource,DER)参与电力市场交易。随着DER数量的增加,其出力的波动性以及聚合后的收益问题需要解决。基于此,提出一种在日前电力市场下,多类型DER聚合于VPP的协同博弈调度模型。首先,提出多类型DER聚合于VPP的运营框架。其次,由于风光出力的不确定性严重影响系统的运行,建立基于变分模态分解(variational modal decomposition,VMD)和改进的双向多门控长短期记忆(bidirectional multi gated long short-term memory,Bi-MGLSTM)网络的组合预测模型。然后,同类型DER形成联盟,并以售电收益最大化为目标,构建VPP多联盟的合作博弈调度模型,为实现联盟及成员间收益分配的公平性,设计多因素改进shapley值法和基于奇偶循环核仁法的两阶段细化收益分配方案。最后,算例结果表明,所提方法能有效提高风光功率的预测精度,实现VPP内联盟间合作互补运行,保证了多个主体间收益分配的公平性与合理性。

    Abstract:

    Virtual power plants (VPP) efficiently aggregate small-capacity and large-volume distributed energy resources through advanced control technologies to participate in electricity market transactions. With the increase in the number of distributed energy sources,the volatility of their power output and the problem of their returns after aggregation still need to be solved. Based on this,a cooperative game scheduling model is proposed for multi-type distributed energy sources aggregated in a virtual power plant under the day-ahead power market. Firstly,the operation framework of multi-type distributed energy aggregation in virtual power plant is proposed. Then,a combined prediction model based on variational modal decomposition (VMD) and improved bidirectional multi gated long short-term memory (Bi-MGLSTM) network is established because the uncertainty of wind power output seriously affects the operation of the system. Secondly,the same type of distributed energy sources form alliances and aim to maximize the revenue from power sales,and construct a cooperative game scheduling model for multiple alliances of virtual power plants. In order to realize the fairness of revenue distribution among alliances and members,a multifactor improvement shapley value method and a two-stage refinement of the revenue distribution scheme based on the parity cycle kernel method are designed. Finally,the example results show that the proposed method effectively improves the prediction accuracy of wind power,realizes the cooperative and complementary operation among alliances within the virtual power plant,and ensures the fairness and reasonableness of the revenue distribution among multiple subjects.

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宋铎洋,薛田良,李艺瀑,涂金童,毕宇豪,王满康.考虑风光不确定性的虚拟电厂合作博弈调度及收益分配策略[J].电力工程技术,2025,44(1):193-206

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历史
  • 收稿日期:2024-06-22
  • 最后修改日期:2024-09-17
  • 录用日期:2024-09-18
  • 在线发布日期: 2025-01-23
  • 出版日期: 2025-01-28
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