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短距绕组轴向磁阻式旋转变压器的优化分析

DOI: 10.3969/j.issn.1006-7043.201312086

Keywords: 旋转变压器, 轴向磁阻式, 有限元分析, 函数误差, 输出电势, 短距绕组

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Abstract:

为了降低测量误差, 提出了一种具有分布式绕组的轴向磁阻式旋转变压器, 并对一些结构参数进行了相应的优化分析。说明了这种新型旋转变压器的结构组成, 在每极每相齿数不同的情况下, 应用磁路解析法推导了函数误差的变化规律;运用有限元分析法研究了气隙以及极对数改变时对信号绕组的输出电势产生的影响。分析结果表明, 结构参数的改变会引起输出电势的幅值以及函数误差的变化。通过优化分析, 提高了这种具有分布式绕组的轴向磁阻式旋转变压器的测量精度, 为样机的制作提供理论依据。

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