直流电机弱磁调速教学中的两点补充  

Two Supplements in Teaching Speed Regulation

作　　者：陈国初[1] 丁轶成[1] 

机构地区：[1]石油大学,山东东营257061

出　　处：《电气电子教学学报》2001年第4期65-66,共2页Journal of Electrical and Electronic Education

摘　　要：直流电机弱磁调速中 ,当磁通减小时 ,电动机的转速是升高还是降低 ,初学者往往难以判别 ,为此对《电工学》教材提出两点补充 ,以利于学生更好地掌握该方面的知识。About speed regulation of DC motor with field weakening, it is difficult for the beginner to distinguish whether the speed of motor is going up or dropping when the flux is weakened. Two supplements to 'electrotechnics' have been pointed out to help students master the above knowledge better.

关 键 词：弱磁调速 教学 直流电机 

分 类 号：TM33[电气工程—电机]