描述
转子旋转后,假设转速为n0,只要n<n0,转子导条与磁场之间仍有相对运动,产生与转子不转时相同方向的电动势、电流及受力,电磁转矩T仍旧为逆时针方向,转子继续旋转,最终稳定运行在负载转矩与电磁转矩T相等的状况下。
异步电动机内部磁场的旋转速度n0被称作同步转速。在电动机运行时,电动机轴输出机械功率,异步电动机的实际转速n总是低于旋转磁场转速n0,也就是说转子的旋转速度n总是与同步转速n0不等,故异步电动机的名称由此而来。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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