Analysis of strategic bidding of a DER aggregator in energy markets through the Stackelberg game model with the mixed-integer lower-level problem

•A one-leader multi-follower model with the mixed-integer lower-level problem is proposed.•The piecewise linear approximation approach based on the data-driven algorithm is proposed.•A model transformation method of multivariate linear surrogation is proposed. An open electricity market environment...

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Vydáno v:International journal of electrical power & energy systems Ročník 152; s. 109237
Hlavní autoři: Lei, Zhenxing, Liu, Mingbo, Shen, Zhijun
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 01.10.2023
Témata:
Distributed energy resource aggregator
Mixed-integer second-order cone programming
Multivariate linear surrogation
Piecewise linear approximation
Security check
Strategic bidding
Security check
Multivariate linear surrogation
Distributed energy resource aggregator
Strategic bidding
Mixed-integer second-order cone programming
Piecewise linear approximation
ISSN:0142-0615, 1879-3517
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Shrnutí:•A one-leader multi-follower model with the mixed-integer lower-level problem is proposed.•The piecewise linear approximation approach based on the data-driven algorithm is proposed.•A model transformation method of multivariate linear surrogation is proposed. An open electricity market environment provides sufficient conditions for a distributed energy resource (DER) aggregator to participate in the day-ahead electricity market. Therefore, a one-leader multi-follower Stackelberg game model is developed to analyze the strategic bidding behavior of a DER aggregator and one of the lower-level problems is to check the security of the distribution system (DS), which is elaborated by the mixed-integer second-order cone programming (MISOCP) model considering the active power loss and discrete controls in the DS. Moreover, we first use the Karush–Kuhn–Tucker (KKT)-based reformulation approach to transform the model into a one-leader one-follower model. However, the objective function of the upper-level model cannot be completely linearized by using the strong dual theorem because the active power loss of the DS is considered in the lower-level security check problem. Therefore, we propose a piecewise linear approximation approach based on the data-driven algorithm to linearize the upper-level objective function. Moreover, we apply multivariate linear surrogation to transform this one-leader one-follower model into a single-level MISOCP model. Finally, we verify the correctness of the proposed algorithm by comparing it with the particle swarm optimization (PSO) algorithm in a small integrated transmission and distribution (T&D) system and validate the effectiveness of the proposed algorithm in a practical integrated T&D system.
ISSN:0142-0615
1879-3517
DOI:10.1016/j.ijepes.2023.109237