本文提出了一种新的中长期电力负荷预测方法。
This paper introduces a new method of the middle or long term electric load.
由于传统灰色预测模型固有的偏差和模型参数的固定选择，导致预测精度较低，不适应中长期负荷预测。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
因此，提高中长期电力负荷预测精度，对于保障电网安全、经济、优质运行具有重要意义。
Therefore, raising the precision of the medium arid long term power load forecast is of great significance to ensure security, economy and the excellent operation of power grids.
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