考虑自治-互济的多园区端网协同弹性控制
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TP273

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国家自然科学基金项目(62173074, 52477075);新能源电力系统全国重点实验室开放课题项目(LAPS24015).


Resilience cooperative control for MMG considering autonomy-mutual aid of edge-network
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    摘要:

    分布式能源广泛接入电网促使传统配电系统向园区级信息物理多微网过渡, 针对分布式资源接入交直流混合微电网后子网间功率交互的问题, 提出考虑自治-互济的多园区端网弹性协调控制策略, 保证孤岛下园区系统电能质量. 首先考虑子微网净功率和功率互济时最大传输功率作为约束条件, 将其划分为自治、过渡、互济3种运行模态, 根据不同模态设计储能的充放规则以及功率互济传输方向, 给出具体的切换策略; 然后在负荷端考虑重要负荷用电质量问题, 将反步控制应用到电力弹簧保持重要负荷电压期望轨迹稳定跟踪; 针对信息网络通信受阻问题, 提出分布式一致性模型预测补偿控制方法; 最后在Matlab/Simulink仿真平台验证了所提出控制策略的有效性和准确性.

    Abstract:

    With the wide access of distributed energy to power grids, the transition from traditional distribution systems to park-level information physical multi-microgrid is promoted. Aiming at the problem of power interaction between subnets after distributed resources are connected to the AC/DC hybrid microgrid, this paper proposes an resilience coordinated control strategy of multi-park end network considering autonomy and mutual benefit to ensure the power quality of the park system under the island. Firstly, considering the net power and the maximum transmission power of the sub-grid as constraints, the sub-grid is divided into three operation modes: autonomous, excessive and mutual. According to different modes, the charging and discharging rules of energy storage and the transmission direction of mutual power are designed, and the specific switching strategy is given. Then, the power quality of critical load (CL) is considered at the load side, and the backstepping control is applied to keep the expected trajectory of CL voltage stable for the power spring. Aiming at the problem of blocked information network communication, a distributed consistency model predictive compensation control method is proposed. Finally, the effectiveness and accuracy of the proposed control strategy are verified on the Matlab/Simulink simulation platform.

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刘鑫蕊,李新宇,郭亮亮,等.考虑自治-互济的多园区端网协同弹性控制[J].控制与决策,2025,40(9):2693-2700

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  • 收稿日期:2024-11-19
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  • 在线发布日期: 2025-08-08
  • 出版日期: 2025-09-20
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