The Research On The Optimal Operation Of Phase Change Regenerative Electric Boiler Participates In Wind Power Consumption

Due to the contradiction between supply and demand of source and load,and the poor flexibility of power grid,it is impossible to balance the relationship between work load of thermoelectric unit and heat supply energy at any time,causes the system not to be able to adjust the peak flexibly.For areas with abundant wind energy advantages,the government of our country has put forward relevant policies to guide enterprises to generate electricity by using new energy sources,converting electric energy into heat energy for heating,thus improving the problem of curtailment.Therefore,a multi-objective optimization method based on phase change regenerative electric boiler is proposed in this paper,which is combined with an improved optimization algorithm.This paper first summarizes the current situation of new energy development,expounds the reasons for curtailment,and analyzes the status quo of wind power development at home and abroad,this paper mainly introduces the regenerative electric boiler absorbing the wind power for heating and puts forward the classification of the common regenerative medium,the key factors such as the structure of the phase change regenerative electric boiler and the heat storage of the phase change material advantages of the phase change regenerative electric boiler are compared.Secondly,it is put forward that the aim is to absorb the largest amount of wind power and minimize the operation cost,and to ensure that the phase change regenerative electric boiler meets the demand of electric and heat loads,and at the same time,the capacity,load constraint and power balance constraint of the energy storage device are taken into account,using the improved optimization algorithm to solve,through comparative analysis,it is proved that the phase change regenerative electric boiler can break through the limitation of the traditional regenerative electric boiler and reduce the operation cost.Finally,the proposed phase change regenerative electric boiler model is introduced into the cogeneration system,combined with the unit heating demand,electricity.A mathematical model of new energy power generation equipment and heat supply equipment was established under the constraints of heat load relationship and power balance.Finally,the cogeneration system with phase change regenerative electric boiler is compared with the cogeneration system without phase change regenerative electric boiler,the simulation results show that the phase change regenerative electric boiler can not only improve the economy of the system operation,but also significantly improve the wind power absorption.