| 开关电源汇流排的场路耦合仿真分析及优化 |
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| 引用本文： | 燕宣余,李相强,刘庆想,王庆峰,张政权.开关电源汇流排的场路耦合仿真分析及优化[J].强激光与粒子束,2014,26(6):063016. |
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| 作者姓名： | 燕宣余 李相强 刘庆想 王庆峰 张政权 |
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| 作者单位： | 1.西南交通大学 物理科学与技术学院, 成都 61 0031 |
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| 基金项目： | 中央高校基本科研业务费专项资金项目（SWJTU12CX086， SWJTU12CX077， SWJTU12ZT10） |
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| 摘 要： | 根据开关电源工作原理,建立汇流排的外电路模型,并与汇流排模型进行场路耦合仿真,用有限元仿真的方法,得到汇流排在实际激励条件下的电流密度分布和欧姆损耗分布。分析汇流排工作时欧姆损耗集中的区域,在此基础上对汇流排的结构进行优化,从而达到减小汇流排的电流密度和欧姆损耗的目的。
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| 关 键 词： | 开关电源 汇流排 场路耦合 欧姆损耗 电流密度 |
| 收稿时间： | 2013/11/15 |
Field-circuit coupling simulation-analysis and optimization on bus bar of switching power supply |
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| Institution: | 1.School of Physical Science and Technology,Southwest Jiaotong University,Chengdu 610031,China |
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| Abstract: | According to the working principle of switching power supply, an external circuit model of bus bar was built. The simulation of field-circuit coupling with the model of bus bar was carried out, and the current density distribution and ohmic loss distribution under the conditions of the bus bar in the actual excitation were obtained, using the finite-element simulation. The concentrated areas of ohmic loss of the bus bar was analyzed, and the structure of the bus bar was optimized on the basis of the analysis, and the current density and the ohmic losses were decreased. |
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| Keywords: | switching power supply bus-bar field-circuit coupling ohmic losses current density |
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