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基于可信理论的多目标模糊机会约束无功优化

, PP. 82-89

Keywords: 间歇性电源,不确定性,多目标无功优化,可信性理论,模糊机会约束,蝙蝠算法

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Abstract:

大规模间歇性电源并入电网,其出力的不确定性给电网无功优化带来很大影响。针对间歇式电源出力和负荷的不确定性,将间歇式电源出力和负荷采用梯形模糊参数表示,对传统确定性无功优化模型进行改进,并结合可信性理论和模糊机会约束规划,建立含多模糊参数的多目标模糊机会约束无功优化数学模型。在解法上,通过模糊潮流求解目标函数和约束中的可信度,利用目标隶属度函数和交互满意度将多目标优化转换为单目标优化,并采用蝙蝠算法对模型进行求解。算例结果表明,所提多目标模糊机会约束无功优化模型和算法,能够适应在间歇性电源出力和负荷为模糊参数情况下的电压无功控制优化。

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