【摘要】 对大工业企业进行负荷预测是确定机组组合方案、企业与区域电网功率输送方案和负荷调度方案所不可缺少的.针对钢铁企业冲击负荷较多这个特点,使用灰色预测法、时间序列法、趋势外推法和回归预测法对某钢铁企业进行了48点负荷预测,结果表示除了必要的数据预处理以外,使用灰色理论和指数平滑法可以得到比较满意的结果.更多还原

【Abstract】 Short-term load forecasting for industrial corporations is indispensable to them when it comes to units combination, power transportation and load attemperation. Concerning the impactive load which is characteristic of steel corporations this paper introduces four forecasting methods (GM, ARMA, Extrapolation and R) to forecast 48 load of an example. The analysis indicates that using GM and Extrapolation after essential data pre-processing might get satisfying results.更多还原