scholarly journals A mathematical modeling technique with network flows for social welfare maximization in deregulated electricity markets

2016 ◽  
Vol 3 ◽  
pp. 59-66 ◽  
Author(s):  
Ryo Hase ◽  
Norihiko Shinomiya
Keyword(s):  
Mathematical Modeling ◽  
Social Welfare ◽  
Electricity Markets ◽  
Network Flows ◽  
Modeling Technique ◽  
Welfare Maximization ◽  
Social Welfare Maximization ◽  
Mathematical Modeling Technique

scholarly journals Game-Theory Modeling for Social Welfare Maximization in Smart Grids

Energies ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 2315 ◽  
Author(s):  
Yu Hwang ◽  
Issac Sim ◽  
Young Sun ◽  
Heung-Jae Lee ◽  
Jin Kim
Keyword(s):  
Power Generation ◽  
Social Welfare ◽  
Smart Grids ◽  
Stackelberg Game ◽  
Evolutionary Game ◽  
Profit Maximization ◽  
Additional Parameter ◽  
Welfare Maximization ◽  
Social Welfare Maximization ◽  
Energy Strategies

In this paper, we study the Stackelberg game-based evolutionary game with two players, generators and energy users (EUs), for monetary profit maximization in real-time price (RTP) demand response (DR) systems. We propose two energy strategies, generator’s best-pricing and power-generation strategy and demand’s best electricity-usage strategy, which maximize the profit of generators and EUs, respectively, rather than maximizing the conventional unified profit of the generator and EUs. As a win–win strategy to reach the social-welfare maximization, the generators acquire the optimal power consumption calculated by the EUs, and the EUs obtain the optimal electricity price calculated by the generators to update their own energy parameters to achieve profit maximization over time, whenever the generators and the EUs execute their energy strategy in the proposed Stackelberg game structure. In the problem formulation, we newly formulate a generator profit function containing the additional parameter of the electricity usage of EUs to reflect the influence by the parameter. The simulation results show that the proposed energy strategies can effectively improve the profit of the generators to 45% compared to the beseline scheme, and reduce the electricity charge of the EUs by 15.6% on average. Furthermore, we confirmed the proposed algorithm can contribute to stabilization of power generation and peak-to-average ratio (PAR) reduction, which is one of the goals of DR.

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