摘要:针对需要单相电源的场合时有采用三相异步电机自动单相运行这种工况,对自励发电运行方式进行了分析.利用对称分量法导出了Smith联接的单相自励感应发电机对称运行条件及性能计算公式.计算表明:Smith联接的三相感应电机单相自励发电运行时,电压变化率较大,且离开平衡点负序电流迅速增加;利用最优化方法确定三相自励感应发电机不对称运行时的稳态工作点简单有效.实验结果与理论计算基本一致.
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