王磊, 胡国, 吴海, 谭阔, 周成, 朱亚军. 基于分层深度强化学习的分布式能源系统多能协同优化方法[J]. 电力系统自动化, 2024, 48(1): 67-76.
引用本文: 王磊, 胡国, 吴海, 谭阔, 周成, 朱亚军. 基于分层深度强化学习的分布式能源系统多能协同优化方法[J]. 电力系统自动化, 2024, 48(1): 67-76.
WANG Lei, HU Guo, WU Hai, TAN Kuo, ZHOU Cheng, ZHU Ya-jun. Multi-energy Collaborative Optimization Method for Distributed Energy Systems Based on Hierarchical Deep Reinforcement Learning[J]. Automation of Electric Power Systems, 2024, 48(1): 67-76.
Citation: WANG Lei, HU Guo, WU Hai, TAN Kuo, ZHOU Cheng, ZHU Ya-jun. Multi-energy Collaborative Optimization Method for Distributed Energy Systems Based on Hierarchical Deep Reinforcement Learning[J]. Automation of Electric Power Systems, 2024, 48(1): 67-76.

基于分层深度强化学习的分布式能源系统多能协同优化方法

Multi-energy Collaborative Optimization Method for Distributed Energy Systems Based on Hierarchical Deep Reinforcement Learning

  • 摘要: 分布式能源系统的多能协同运行对于促进新能源的消纳具有重要意义。然而,分布式能源系统中源荷的不确定性以及异质能源网络的时空差异性,给多能协同优化问题带来巨大挑战。针对这一问题,提出了一种面向分布式能源系统的两阶段多能协同优化模型,通过采用长时间尺度控制和短时间尺度控制两阶段解耦决策方式,实现了对不同时间响应特性的复合空间进行序贯决策。然后,面对高维复合搜索空间和源荷不确定性因素,采用了深度强化学习无模型解决方案,并提出一种全新的分层深度强化学习算法进行求解。通过算例仿真验证了所提模型和求解方法的有效性和优越性。

     

    Abstract: The multi-energy collaborative operation of distributed energy systems is of great significance for promoting the consumption of renewable energy. However, the uncertainty of sources and loads in distributed energy systems, as well as the spatiotemporal differences in heterogeneous energy networks, pose significant challenges to the optimization problem of multienergy collaboration. A two-stage multi-energy collaborative optimization model for distributed energy systems is proposed to address this issue. A two-stage decoupling decision-making approach of long-time scale control and short-time scale control is adopted, thereby achieving sequential decision-making for composite spaces with different time response characteristics. Subsequently, in the face of high-dimensional composite search space and source-load uncertainty factors, a deep reinforcement learning model free solution is adopted, and a novel hierarchical deep reinforcement learning algorithm is proposed for solving. The effectiveness and superiority of the proposed model and solving method are verified through numerical simulations.

     

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