| 反激式变换器电磁辐射的FDTD仿真与分析 |
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| 引用本文： | 赵全斌,付琦,和军平. 反激式变换器电磁辐射的FDTD仿真与分析[J]. 电工电能新技术, 2011, 30(3): 51-54,69 |
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| 作者姓名： | 赵全斌 付琦 和军平 |
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| 作者单位： | 哈尔滨工业大学深圳研究生院,广东,深圳,518055;哈尔滨工业大学深圳研究生院,广东,深圳,518055;哈尔滨工业大学深圳研究生院,广东,深圳,518055 |
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| 基金项目： | 国家自然科学基金资助项目(50877015); 高等学校博士点基金资助项目(200802131017) |
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| 摘 要： | 开关电源电磁辐射发射容易超出EMC标准限值,有必要对其形成机理、特性和预测进行研究。本文在建立电容、变压器、PCB引线、半导体开关等元器件模型基础上,对Flyback开关电源进行了时域有限差分(FDTD)建模,仿真研究了其在开放空间中远场电磁辐射的分布和规律。仿真结果表明开关电源输入/输出电缆是电磁辐射的主要影响因素,并验证了共模电感对远场电磁辐射的抑制作用。
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| 关 键 词： | 开关电源 电磁辐射 FDTD 仿真预测 |
Model and analysis on electromagnetic radiation of flyback power supply by FDTD simulation |
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| ZHAO Quan-bin,FU Qi,HE Jun-ping. Model and analysis on electromagnetic radiation of flyback power supply by FDTD simulation[J]. Advanced Technology of Electrical Engineering and Energy, 2011, 30(3): 51-54,69 |
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| Authors: | ZHAO Quan-bin FU Qi HE Jun-ping |
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| Affiliation: | ZHAO Quan-bin,FU Qi,HE Jun-ping(Shenzhen graduate School,Harbin Institute of Technology,Shenzhen 518055,China) |
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| Abstract: | Electromagnetic radiation emission from a switched mode power supply is easily exceeding EMC standard limits and this phenomenon is difficult to debug for many switched mode power supply designers.It is very necessary to study electromagnetic radiation mechanism,characteristics and prediction method for industrial community and academia.After analyzing and modeling of some active and reactive components,such as capacitor,transformer,diode,MOSFET,PCB traces,input/output cords,a FDTD model of a flyback SMPS i... |
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| Keywords: | Flyback power supply electromagnetic radiation FDTD simulation prediction |
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