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考虑经济可持续与随机化的园区微电网多目标能源管理策略研究

Research on Multi-Objective Energy Management Strategy for Campus Microgrid Considering Economic Sustainability and Randomization

  • 摘要: 随着全球能源转型的推进,园区微电网作为一种灵活、高效的能源供应形式,在满足多能源需求方面发挥着日益重要的作用。本研究旨在通过优化微电网的能量管理,实现经济可持续性与环保性能的双重提升。为此,提出了一种多目标能源管理策略,该策略同时考虑最小化日常运营成本、排放量以及功率损耗,并最大化微电网的日常独立性能指标。在求解这一多重冲突目标的能源调度问题时,采用了特定的优化算法,该算法能够在复杂约束条件下提供合适的折中方案。此外,每次目标函数评估均结合点估计法的概率潮流求解方案,以应对分布式光伏出力和负荷需求等不确定变量。研究结果表明,在所提出的混合需求响应计划影响下,优化算法能够有效降低运营成本与排放量,为园区微电网多目标能量管理与优化提供了解决方案。

     

    Abstract: With the advancement of global energy transition, campus microgrids, as flexible and efficient forms of energy supply, are playing an increasingly important role in meeting multi - energy demands. This study aims to achieve a dual improvement in economic sustainability and environmental performance by optimizing the energy management of the campus microgrid. To this end, a multi - objective energy management strategy is proposed, which simultaneously considers minimizing daily operating costs, emissions, and power losses, while maximizing the daily independence performance index of the park microgrid. When solving this energy scheduling problem with multiple conflicting objectives, a specific optimization algorithm is used, which can provide appropriate compromises under complex constraints. In addition, each objective function evaluation is combined with a probabilistic power flow solution based on the point estimation method to address uncertain variables such as distributed photovoltaic output and load demand. The research results show that under the influence of the proposed hybrid demand response plan, the optimization algorithm can effectively reduce operating costs and emissions, while improving system performance, providing a new solution for energy optimization in campus microgrid.

     

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