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1.新能源微电网湖北省协同创新中心(三峡大学),湖北省宜昌市 443002
2.三峡大学电气与新能源学院,湖北省宜昌市 443002
3.中国长江电力股份有限公司,湖北省宜昌市 443002
Received:18 April 2025,
Revised:2025-08-01,
Online First:02 September 2025,
Published:10 December 2025
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谭洪,焦涌,关苏敏等.考虑时段解耦的虚拟电厂-输电网非迭代协同调度[J].电力系统自动化,2025,49(23):99-107.
TAN Hong,JIAO Yong,GUAN Sumin,et al.Non-iterative Coordinated Dispatch of Virtual Power Plant-Transmission Network Considering Time-period Decoupling[J].Automation of Electric Power Systems,2025,49(23):99-107.
谭洪,焦涌,关苏敏等.考虑时段解耦的虚拟电厂-输电网非迭代协同调度[J].电力系统自动化,2025,49(23):99-107. DOI: 10.7500/AEPS20250418008.
TAN Hong,JIAO Yong,GUAN Sumin,et al.Non-iterative Coordinated Dispatch of Virtual Power Plant-Transmission Network Considering Time-period Decoupling[J].Automation of Electric Power Systems,2025,49(23):99-107. DOI: 10.7500/AEPS20250418008.
基于可行域等效投影理论构建虚拟电厂-输电网协同调度模型,可以避免迭代求解,进而保障解的稳定性。然而,随着储能的大量配置,时段耦合约束使得虚拟电厂的可行域成为高维空间,显著增加了可行域的刻画难度。因此,提出考虑时段耦合约束解耦的虚拟电厂-输电网非迭代协同调度方法。首先,基于上镜图理论消除目标函数中虚拟电厂内部变量以降低模型复杂度;其次,利用Lyapunov优化对耦合约束解耦,并基于顶点搜索法刻画虚拟电厂可行域等效投影;最后,以可行域投影替代原虚拟电厂模型参与输电网调度,实现虚拟电厂-输电网协同调度模型的非迭代求解。仿真结果表明,所提方法能够显著提升可行域等效投影的刻画效率,并使得非迭代协同调度与一体化调度具有相同的最优性。
A coordinated dispatch model of virtual power plant (VPP)-transmission network based on the feasible region equivalent projection theory can avoid iterative solving
thereby ensuring solution stability. However
with the large-scale integration of energy storage systems
time-period coupling constraints decouple the VPP feasible region into a high-dimensional space
significantly increasing the difficulty in characterizing the feasible region. Therefore
a non-iterative coordinated dispatch method of VPP-transmission network considering the decoupling of time-period coupling constraints is proposed. First
the epigraph theory is applied to eliminate internal variables of the VPP in the objective function
thereby reducing model complexity. Second
Lyapunov optimization is used to decouple the coupling constraints
and the vertex searching method is employed to characterize the equivalent projection of the VPP feasible region. Finally
the original VPP model is replaced by this feasible region projection to participate in transmission network dispatch
achieving the non-iterative solution for the VPP-transmission network coordinated dispatch model. Simulation results demonstrate that the proposed method can significantly improve the characterization efficiency of equivalent projection of the feasible region and ensure that the non-iterative coordinated dispatch achieves the same optimality as the integrated dispatch.
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