三相异步电动机星三角起动的估算  

Estimation on Star-triangle Starting of the Three-phase Asynchronous Motor

作　　者：霍大勇[1] 刘良涛 赵颖博 

机构地区：[1]河南工业职业技术学院,473009 [2]河南新野县电业局,473500

出　　处：《电机技术》2010年第5期39-40,共2页Electrical Machinery Technology

摘　　要：介绍了异步电动机星-三角起动技术数据估算的经验口诀,口诀包含起动条件的判别、起动电流和转矩的估算、起动时间和热保护元件整定。分析了口诀的物理意义。估算口诀提高了现场安装、运行和维护的效率。The pithy fomula, which applied to estimate the electrical parameter of three-phase asynchronous motor during star-triangle starting, was introduced. It included the judgment of starting condition, starting current, starting torque, starting time and estimated setting current of the thermal protector. Physical meaning of the pithy fomula was analyzed, being very helpful to increase the efficiency of field installation, operation and maintenance.

关 键 词：口诀 估算 星-三角起动 异步电动机 

分 类 号：TM343[电气工程—电机]