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电网技术  2011 

大用户购电组合决策模型及对比分析

, PP. 188-194

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Abstract:

为研究收益和风险并存的大用户购电组合决策问题,分析了均值–方差模型、均值–半方差模型的特点及适用情况,提出了均值–绝对离差购电组合模型,并对3种模型进行了比较和分析。针对求取购电组合的非线性规划问题,提出用模拟退火算法求解3种模型,寻找全局最优解;采用风险弹性、计算耗时和收敛迭代次数作为评定优劣的指标对3种模型进行了对比分析,结合实际数据对3种模型进行了实证分析,为用户选择合适的购电组合策略提供了参考。

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