风电用的大容量永磁发电机

Large-size PM Generator Used in the Wind Generated Electricity

在风电直驱式3MW级大容量永磁发电机中,采用了在靠近发热部分冷却的机内通风方式。并对在转子上用永磁体的斜槽配置来抑制齿槽效应转矩的新技术予以介绍。

The inner ventilation method was applied to cool the heating part of the wind-directly-driven 3MW large-size PM generator. Also the new technology application to elimination the cogging torque by means of flume allocation of the permanent magnet on the rotor was introduced as well.