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短期负荷预测中考虑积温效应的温度修正模型研究

, PP. 242-248

Keywords: 短期负荷预测,积温效应,负荷温度弹性系数,最大累积天数,累积效应系数,相关系数

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Abstract:

由于夏季负荷受温度因素影响较大,持续高温天气会造成积温效应,导致负荷出现一定程度的非常规增长,传统的短期负荷预测方法难以满足实际需求。因此,为了反映积温效应的影响程度,本文提出了温度修正模型,通过拟合温升曲线、求解负荷温度弹性系数来确定高温日的界限温度,同时给出了利用相关系数求解最大累计天数和累积效应系数的方法。算例分析表明,所提出的方法能够准确地反映积温效应的影响,提高短期负荷预测的精度。

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