| 变压器铁芯三维非线性涡流及其损耗的分析计算 |
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| 引用本文： | 朱银昌
,刘映栋
,白慧华
,范建中.变压器铁芯三维非线性涡流及其损耗的分析计算[J].江苏大学学报(自然科学版),1991(3). |
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| 作者姓名： | 朱银昌 刘映栋 白慧华 范建中 |
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| 摘 要： | 本文采用伽辽金有限元法和二次细分扩大计算法,研究了变压器铁芯内三维非线性涡流的计算.介绍了适用于积层铁芯的等效磁导率和等效电导率,提出了处理铁芯接缝的一种切实可行的方法.以S7-630/10型变压器为例,计算了铁芯涡流场及铁芯损耗,且与实测值进行了比较.
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| 关 键 词： | 变压器 涡流 损耗 有限元法 |
Computation of Nonlinear Three Dimensional Eddy Current and Its Loss in Transformer Core |
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| Zhu Yinchang Liu Yingdong Bai Huihua Fan Jianzhong.Computation of Nonlinear Three Dimensional Eddy Current and Its Loss in Transformer Core[J].Journal of Jiangsu University:Natural Science Edition,1991(3). |
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| Authors: | Zhu Yinchang Liu Yingdong Bai Huihua Fan Jianzhong |
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| Institution: | Zhu Yinchang Liu Yingdong Bai Huihua Fan Jianzhong |
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| Abstract: | Calculation of nonlinear three dimensional eddy current in transformer core is studied with Galerkin finite element method and two-step divided method. Introduced are equivalent magnetic permeability and equivalent conductivity applicable to laminated iron core; furthermore developed is a practical technique for solving junction gap. With transformer Type S7-630/ 10 taken for an example, iron core eddy current and loss are calculated and the calculated results are compared with the measured ones. |
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| Keywords: | transformer eddy current losses finite element method |
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