c26636204.2021.10.20

孤岛与并网模式下交直流混合微电网电能管理及控制策略

The Power Management and Control Strategies of AC-DC Hybrid Microgrids

in Islanded and Grid-connected Modes

张霖 (Lin Zhang)1       蔡文昌 (Wen-Chang Tsai)2*   

1 厦门大学嘉庚学院机电工程学院电气及其自动化专业

2* 厦门大学嘉庚学院机电工程学院教授 douglas@xujc.com

智能微电网逐渐在配电系统中占据主导地位,该系统是一个可再生能源渗透率很高的再生能源及储能系统。而具有交流和直流电能/负载的混合交直流系统,被认为是最可能的未来的配电系统结构。对于此种混合型交直流微电网,其控制模型及电力管理策略是最关键的操作技术。本文展示混合型交直流微电网系统之控制模型及电能管理策略,其中包括不同的操作模式、稳态暂态条件下的各种控制模型,以及电能管理策略的案例的研究。最后,提出了进一步研究电能管理策略的讨论和建议。

关键词控制模型、能源管理策略、交直流混合微电网、配电系统

The microgrids have gradually dominated distribution systems with high penetration of renewable energy and energy storage systems. Hybrid AC-DC systems with AC and DC power/load are considered the most likely future distribution configurations. For the hybrid AC-DC microgrid, control modeling and power management strategy is one of the most critical operational aspects. This paper presents the power management strategies of hybrid AC-DC microgrid systems including different system schemes, different operating modes, control schemes under steady-state transient conditions. Also, examples of power management and control strategies are presented. Finally, suggestions and discussions for control modeling and power management strategies are reported in the paper.

Keywords: Power Management Strategies, Hybrid AC/DC Microgrid, Distribution System, Power Control Schemes

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