风电机组变桨永磁同步电机设计及仿真分析

Design and Simulation Asis of Permanent Magnet Synchronous Motor for Pitch of Wind Turbine

根据风机变桨系统的要求,确定风电机组变桨永磁同步电机的主要尺寸、定子槽型和转子结构选型.永磁体选材及其尺寸设计,采用场路结合的分析方法,对电机进行磁路仿真、磁静态场和瞬态场仿真,获取符合电机设计技术要求的空载和负载参数,同时根据所得磁密图和电机特性曲线图,对电机性能进行了仿真分析,验证了永磁同步变桨电机电磁方案的正确性.

The main dimensions of permanent magnet synchronous motor,the selection of stator slot and rotor structure,the selection of permanent magnet material and its size design are determined.Magnetic circuit simulation,two-dimensional static field and two-dimensional transient field simulation on the motor are perfored to obtain no-load and load parameters that meet the design requirements of the motor.At the same time,the performance of the motor is analyzed based on the obtained magnetic density map and motor characteristic curve.The field-circuit combined analysis method is used to determine the electromagnetic scheme of the permanent magnet synchronous motor.