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电网技术  2009 

三角形接法三相异步发电机单相稳态建压分析

, PP. 55-58

Keywords: 异步发电机,对称分量法,矩阵分析,优化方法,单相空载建压

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Abstract:

给出三角形接法三相自激异步发电机单相稳态建压时各参数满足的关系式,研究自激电容值对所建端电压的影响。基于对称分量法,通过矩阵分析推导发电机单相空载稳态运行时的回路阻抗,以回路阻抗为零作为异步发电机稳态运行的条件,采用坐标轮换优化方法求解方程并计算出空载电压值,所采用的方法编程简单且稳定性好。计算了不同自激电容下所建立的空载电压值,计算值与实验值吻合较好,证明了文中分析方法的有效性和准确性。

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