DF_(4B(C))型机车热风机电机的改造

Reformation of DF_(4B(C)) locomotive hot air blower motor

简述了DF4B(C)型机车热风机电机目前存在的主要弊端和开发热风机新型直流无刷电机的过程;介绍了新型电机的性能、参数、工作原理和实际运用情况。

The disadvantages of DF_(4B(C)) locomotive hot air blower motor were sketched.Development of a new DC brushless motor for hot air blower was discribed.And the performance,parameters,operation principle and application of the new motor were discussed.