Research On Load Forecasting Of Zhuhai

Associating with the situation of Zhuhai city, the application of gray system theory and fuzzy theory in load forecasting was analyzed deeply in this paper. Firstly, great improvement was made in Grey Model and then metabolism Grey Model was established. The precision of Grey Model forecasting was improved and the application rang of Gray Model was expanded. Secondly, on the basis of studying the modeling process of fuzzy linear regression and fuzzy polynomial fitting, two models, including the weighted fuzzy linear regression model and the improved fuzzy polynomial fitting model, were respectively established and perfected. Experiments have verified the feasibility and superiority of the two improved models mentioned above. The improved methods used in this paper provided a flexible means for dealing with fuzzy factors in load forecasting. Finally, several sets of methods were used in the midterm load forecasting of Zhuhai and good results were obtained.