直驱永磁风力发电机空载短路去磁分析
Electric Machines & Control Application(2013)
Abstract
利用Maxwell电磁场有限元计算软件,建立了基于Ansoft的直驱永磁风力发电机二维瞬态有限元模型,利用Ansoft强大的电磁场分析和后处理功能,仿真得到了直驱永磁风力发电机在正常和空载短路下的电磁场分布和相关性能曲线,分析了空载短路下短路电流对永磁体的去磁磁场,为直驱永磁风力发电机优化设计提供判断依据。
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Key words
demagnetization,finite element,electromagnetic field analysis,optimization design,direct-drive wind turbine PM generator
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