In response to the limitedworking capacity and poor energy interaction efficiency of microgrids,it is now common to use multiple microgrids to form microgrid clusters to enhance the reliability of power supply between...In response to the limitedworking capacity and poor energy interaction efficiency of microgrids,it is now common to use multiple microgrids to form microgrid clusters to enhance the reliability of power supply between each other and further improve the penetration rate of distributed power sources.This article focuses on the energy development method of microgrid groups and the problem of scheduling optimization of integrated energy system is discussed for hot and cold electricity within the microgrid group.Firstly,the basic composition ideas of the electric heating interconnection system,electrical interconnection system,and cold and hot electrical interconnection system within the microgrid group were designed layer by layer,and the functional characteristics of the energy equipment within the microgrid group were clarified.Then,in response to the impact of wind and solar uncertainty on system operation,the goal cascading method and robust stochastic optimization method are used to gradually construct a coupled scheduling model for electric heating,a multi-objective scheduling model for electrical interconnection,and a coordinated scheduling optimization model for cold and hot electrical interconnection.Finally,the effectiveness and applicability of the proposed model were verified through case analysis of the relevant models mentioned above,and key factors were selected for sensitivity analysis,providing reliable methodological support for optimizing the operation of an integrated energy system.展开更多
文摘In response to the limitedworking capacity and poor energy interaction efficiency of microgrids,it is now common to use multiple microgrids to form microgrid clusters to enhance the reliability of power supply between each other and further improve the penetration rate of distributed power sources.This article focuses on the energy development method of microgrid groups and the problem of scheduling optimization of integrated energy system is discussed for hot and cold electricity within the microgrid group.Firstly,the basic composition ideas of the electric heating interconnection system,electrical interconnection system,and cold and hot electrical interconnection system within the microgrid group were designed layer by layer,and the functional characteristics of the energy equipment within the microgrid group were clarified.Then,in response to the impact of wind and solar uncertainty on system operation,the goal cascading method and robust stochastic optimization method are used to gradually construct a coupled scheduling model for electric heating,a multi-objective scheduling model for electrical interconnection,and a coordinated scheduling optimization model for cold and hot electrical interconnection.Finally,the effectiveness and applicability of the proposed model were verified through case analysis of the relevant models mentioned above,and key factors were selected for sensitivity analysis,providing reliable methodological support for optimizing the operation of an integrated energy system.
