| 高频变压器铜损的三维模拟仿真与分析 |
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| 引用本文： | 唐冬林,刘庆想,王庆峰,代书鹃.高频变压器铜损的三维模拟仿真与分析[J].真空电子技术,2011(6):34-37. |
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| 作者姓名： | 唐冬林 刘庆想 王庆峰 代书鹃 |
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| 作者单位： | 西南交通大学物理科学与技术学院,四川成都,610031 |
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| 摘 要： | 对高频变压器建立三维电磁分析模型,采用有限元法对变压器铜损进行数值求解.模拟分析次级绕组段间距、初级绕组以及磁芯漏磁对次级绕组损耗的影响,并引入了矩形导线和圆导线之间的等效因子.分析表明,在考虑次级绕组段间距、初级绕组以及磁芯漏磁后,高频变压器次级铜损为246.086W,大于Dowell模型的理论计算值107.500W,这为变压器的优化设计提供了参考.
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| 关 键 词： | 变压器 集肤效应 临近效应 铜损 有限元分析 |
Three-Dimensional Simulation and Analysis of High-Frequency Transformer Copper Loss |
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| TANG Dong-lin
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LIU Qing-xiang
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WANG Qing-feng
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DAI Shu-juan.Three-Dimensional Simulation and Analysis of High-Frequency Transformer Copper Loss[J].Vacuum Electronics,2011(6):34-37. |
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| Authors: | TANG Dong-lin LIU Qing-xiang WANG Qing-feng DAI Shu-juan |
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| Affiliation: | TANG Dong-lin,LIU Qing-xiang,WANG Qing-feng,DAI Shu-juan(College of Science,South West JiaoTong University,Chengdu 610031,China) |
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| Abstract: | Three-dimensional electromagnetic analysis model of high-frequency transformer is built and numerically solved by finite element method.The influence of secondary winding spacing,primary winding and flux leakage of magnetic core to the secondary winding are simulated.The equivalent factor is also introduced between the rectangular wire and the round wire.Analysis show that,when we consider the Section spacing of secondary winding,primary winding and flux leakage of magnetic core,the secondary winding copper... |
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| Keywords: | Transformer Skin effect Proximity effect Copper loss Finite element method |
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