WANG Wenyue,LIU Haitao,JI Yu.Unified Modeling for Adjustable Space of Virtual Power Plant and Its Optimal Operation Strategy for Participating in Peak-shaving Market[J].Automation of Electric Power Systems,2022,46(18):74-82.
WANG Wenyue,LIU Haitao,JI Yu.Unified Modeling for Adjustable Space of Virtual Power Plant and Its Optimal Operation Strategy for Participating in Peak-shaving Market[J].Automation of Electric Power Systems,2022,46(18):74-82. DOI: 10.7500/AEPS20220415001.
Unified Modeling for Adjustable Space of Virtual Power Plant and Its Optimal Operation Strategy for Participating in Peak-shaving Market
The regulation ability of virtual power plants is different with different resource aggregations
which makes it difficult for virtual power plants to participate in auxiliary service decision-making and affects the safe and reliable operation of the power grid. In order to solve this problem
the peak-shaving optimal operation strategy based on the unified model for adjustable space of the virtual power plant is proposed. Firstly
the output models of semi-controllable resources and fully controllable resources are established according to different characteristics of internal resources in the virtual power plant. Furthermore
an adjustable space model for virtual power plants is proposed
which can evaluate the peak-shaving capacity of virtual power plants with different resource aggregations. Finally
in order to verify the effectiveness of the adjustable space model
the day-ahead optimal scheduling model of virtual power plants is established for the peak-shaving auxiliary service market
and the column-and-constraint generation algorithm is used in the dynamic robust optimization to solve it. The example results show that the proposed adjustable space of the virtual power plant can adapt to the changes brought by different aggregation methods of the virtual power plant
and the operation strategy can reasonably balance the operation safety and economy of the virtual power plant for participating in the peak-shaving auxiliary service.
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