Operation Optimization of Integrated Energy System Considering Multi-potential Game

doi:10.12204/j.issn.1000-7229.2021.09.004

Abstract

Abstract:

With the continuous increase of energy used by residents, integrated demand response (IDR) has become an important means to improve the safety and stability of the superior energy network and to improve the energy conversion efficiency and exploit the potential of the demand side. In order to solve the problem of optimal decision of all participants in an integrated energy system (IES) considering the IDR, this paper builds an operation optimization model based on the potential game theory with the objective function of maximizing revenue. In this model, multi-energy supplement is considered and the IES operator is introduced. The operator interacts with both the user and the superior energy network. The potential function corresponding to the model is constructed, and the problem of finding the optimal solution of the model is transformed into the problem of finding the maximum value of the potential function. In this paper, distributed optimization algorithm is used to solve the model. The simulation results show that the Nash equilibrium solution can be obtained quickly. The operator's income can be also increased, the peak-valley difference can be reduced, and the stability of the power grid can be also improved without reducing the user's benefit.

Key words: integrated demand response (IDR), multi-energy supplement, integrated energy system (IES), potential game, distributed optimization

CLC Number:

TM73

GAO Jianwei, LIANG Pengcheng, GAO Fangjie, MEN Huijuan, LANG Yutong. Operation Optimization of Integrated Energy System Considering Multi-potential Game[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(9): 32-40.

Figures/Tables 9

Fig.1 Community IES structure diagram

Fig.2 Flow chart of the algorithm

Table 1 Equipment parameters related to flexible load for residential consumers

Table 2 Related parameters of each device in IES

Fig.3 Load before and after participating in integrated demand response

Fig.4 Eclectic power production (consumption) of each equipment in IESO1

Fig.5 Heat production (consumption) of each equipment in IESO1

Fig.6 Production (consumption) of cooling energy of each equipment in IESO1

Table 3 Interests of all parties in the game

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