Stackelberg Game Based Energy Operator Operating Mode And Energy Management

With the power sale side market liberalization,energy operator who can supply electricity,heat and gas to users as an emerging operating entity will play an important role in the future market.Only by efficient energy management method can users and energy operator gain the maximum benefit.Based on game theory,this paper systematically studies the operation mode and energy management method of energy operator,residential users and electric vehicle aggregators in the open electricity market.Specific work is as follows:(1)The operation mode of energy operator is analysed:based on micro community Energy Internet with distributed PV and microturbine,considering the demand side resources involved in scheduling and electric vehicle battery as a distributed storage unit,the energy operator business operation environment and operation mode under the new situation is analyzed,and the operating boundary conditions,the system framework and the transaction mode are described;(2)The strategies and profit model of each entity are established:in terms of users,the response model considering the residential users demand side load priority is proposed.And on this basis,the profit model of residential users is established;the electric vehicle charging and discharging strategy of aggregators and profit model is put forward.In terms of energy operator,the pricing and profit model are established.(3)The energy management method based on leader-follower game model is prososed:the leader-follower game model is proposed,in which the energy operator acts as the leader and users act as followers.And the existence of Stackelberg equilibrium solution is proved.The process of solving the model is analyzed based on the differential evolution algorithm.(4)Case studies:taking a residential and commercial micro Energy Internet as the research scene,the buying and selling electricity price strategies of energy operator,the load shifting strategies of residential users,the charging and discharging strategies of electric vehicle aggregators are proposed,and the profits of all participations are also calculated.The results show that the model can make full use of the potential of electric vehicles and controllable load scheduling,verifies the effectiveness of this model in peeling and filling the valley and enhancing the benefits of multi entities.On this basis,the effects of the number of electric vehicles,the proportion of shiftable load,and the ratio of heat and power load on the results are also deeply analyzed.