Research On Load Modeling And Optimization Of Cold And Thermoelectric Supply System

With the development of the world power industry,the electronic system has become the most important basic energy industry in the national economic development,also it has played an important role in the national economic development and social progress.As an important part of electronic system,the system's power load can not only ensure the normal and stable operation of power system,but also provide an important basis for power system parameter design.In this paper,the research status of the combined heat and cooling supply system and load modeling method is analyzed.According to the existing problems,the load model of the combined heat and cooling supply system is established,and the model output load characteristics are simulated and studied based on this model.In this paper,an improved Wolverine algorithm is proposed as the power load parameter identification method,and it is compared with particle swarm algorithm and Wolverine algorithm.On the basis of this,MATLAB /GUI module is used to visualize the contents of the above research,and a load modeling platform for the combined thermoelectric supply system is built.The main research contents are as follows:First of all,based on the analysis of the present situation of load modeling at home and abroad,based on the characteristics of the CCHP supply system,an optimized load modeling method is used to build the CCHP supply system,and a simulation model of the system is built using the MATLAB/SIMULINK module.The load model of CCHP system is built according to the method of thermal power fixing,and the output load characteristics of the model are simulated and analyzed.Secondly,the improved particle swarm algorithm,the grey wolf algorithm and the improved wolf algorithm are described in detail,and the convergence speed of the three algorithms is compared and analyzed.Through the load characteristic parameters of the model,the above three algorithms are used for parameter identification,and the results of parameter identification are compared and analyzed by the general similarity evaluation method.Finally,on the basis of the previous research,based on the MATLAB /GUI module,a load modeling platform for cold combined heat and power supply systems was established.The platform includes a login interface,a database operation interface,a load model selection interface,and a parameter identification interface.Debugging the platform,The visualization of the above research content is realized.