通过对各种预测方法及特点的分析比较，得出用灰色模型预测方法作为地区电力负荷中期预测的方法，且该方法误差小、精度高。
By analyzing and comparing various prediction methods and their features, gray model prediction method can be used for predicting the medium-term regional electrical load.
线性回归是电力系统中期负荷预测的常用方法。
Linear regression analysis is a most common method for mid term load forecasting.
对电力系统中期负荷预测提出了按照时间段预测趋势修正的新方法，同时提出了多阶梯中期负荷模型。
A new method of the medium term electric load forecasting according to time period forecasting tendency is given and meanwhile the multistep medium term load model is put up forward.
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