摘要
随着风力发电的健康蓬勃发展,结合了高速异步风力发电机和低速永磁直驱发电机特点的中速永磁半直驱风力发电机的优势也越来越明显。本文以5.5 MW级的中速永磁半直驱风力发电机为研究对象,介绍了半直驱驱动链及中速永磁风力发电机的基本结构,建立了该发电机的有限元计算模型,分析了“V”形永磁体转子结构的永磁发电机的空载特性与负载特性,计算了该结构下磁阻转矩与永磁转矩在电磁转矩中的占比等参数。基于研究与分析,总结了“V”形永磁体转子结构的半直驱永磁风力发电机的特点,为后续半直驱永磁风力发电机进一步的研究奠定了理论基础与参考依据。
Taking the 5.5 MW level of medium speed permanent magnet wind generator as the research object,this paper introduced the basic structure of the medium speed permanent magnet generator,established the generator finite element calculation model,analysed the no-loading and loading characteristics of V-shape magnets arrangement permanent magnet rotor structure PM generator.Additionally,the corresponding electromagnetic torque of the magnetic resistance torque and the proportion of the permanent magnet torque parameters were calculated.This paper also summarized the characteristics of medium speed permanent magnet wind generator with V shape magnets arrangement-rotor structure,which provided the theoretical foundation and basis for the further research of semi-direct drive permanent magnet wind generator.
作者
娄利岗
任韶华
王桢
LOU Ligang;REN Shaohua;WANG Zhen(Flender Ltd.,China,Tianjin 300400,China)
出处
《微电机》
2023年第7期51-54,58,共5页
Micromotors
关键词
半直驱风力发电
永磁发电机
磁阻转矩
有限元分析
medium speed wind generation
permanent magnet generator
reluctance torque
finite element analysis
