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一种双定子型磁悬浮开关磁阻起动/发电机的运行原理与实现

DOI: 10.13334/j.0258-8013.pcsee.2014.36.011, PP. 6458-6466

Keywords: 开关磁阻起动/发电机,无轴承电机,双定子,自解耦,运行原理

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Abstract:

针对开关磁阻起动/发电机中存在的机械磨损问题以及传统磁悬浮开关磁阻电机中存在的强耦合问题,该文研究一种新型的双定子磁悬浮开关磁阻起动/发电机。就其基本机构、起动/发电原理、电磁特性等方面,与混合定子磁悬浮开关磁阻电机进行了比较,验证了其主绕组与悬浮力绕组以及两自由度悬浮力绕组之间具有的自解耦特性,并且推导了系统的数学模型,介绍了悬浮和起动/发电系统的控制方法。该起动/发电机采用内-外双定子结构,由内定子上的悬浮力绕组实现悬浮功能,由外定子上的主绕组实现起动和发电功能,主绕组与悬浮力绕组的导通区间不存在彼此制约,可提高绕组导通区域选择的灵活性,增强控制策略选择和研究的灵活性。

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