三相感应电动机单相运行性能分析及电容选择  

On the Choice of Phase-balance Capacitance and Performance Calculation for Three-phase Induction Motors Fed from Single-phase Supply

作　　者：沈健[1] 王秀珍[1] 李光友[1] 杨仲景[1] 

机构地区：[1]山东大学,山东济南250061

出　　处：《微特电机》2002年第2期21-22,35,共3页Small & Special Electrical Machines

摘　　要：文章利用对称分量法给出了三相感应电动机单相运行时的性能计算公式 ,并以运行效率最高为条件 ,导出了最佳运行电容计算公式。以最大起动转矩为条件 ,导出了起动电容计算公式。This paper presents analytical method for performance characteristics of a three phase induction motor when fed from a single phase supply.Starting as well as running of such motor are achieved by connecting a capacitor across two of stator phase in a way to act as a phase converter.Symmetrical components concept was employed in the analysis.Formulas are derived for calculating running and starting capacitance.The calculating results are validated by the actual testing values.

关 键 词：三相感应电动机 单相运行 性能分析 电容选择 

分 类 号：TM346[电气工程—电机]