GN和G系列直流电动机是BBC公司于1978年开发完成的,现已广泛应用于世界各地的冶金、化工、矿山等部门。在设计这系列的电机时,采用了若干新结构、新材料和新工艺,有些目前尚属BBC公司的专利。现在想通过上海电机厂与BBC公司为我厂合作制造的GY900h型2600千瓦直流电动机来对BBC公司新系列电动机的设计思想和结构特点作一些分析和探讨。 GN and G series DC motors were developed by BBC in 1978 and are now widely used in metallurgy, chemical and mining industries all over the world. A number of new structures, materials and processes were used in the design of this series of motors, some of which are currently owned by BBC. Now I would like to make some analysis and discussion on the design ideas and structural features of BBC’s new series of motors through the GY900h 2600 kW DC motor manufactured by Shanghai Electric Works and BBC for our factory.