| 浅谈开关电源中的平面变压器 |
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| 引用本文： | 魏晨,谢运祥,宋静娴. 浅谈开关电源中的平面变压器[J]. 通信电源技术, 2006, 23(5): 55-57,61 |
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| 作者姓名： | 魏晨 谢运祥 宋静娴 |
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| 作者单位： | 华南理工大学电力学院,雅达电源实验室,广东,广州,510640 |
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| 摘 要： | 与传统变压器相比较,使用平面变压器可以提高开关电源的功率密度,减小开关电源中磁性元件的体积。因此,近年来平面变压器被广泛地研究。文章介绍了平面变压器的结构,将平面变压器与传统变压器进行比较,分析综述了平面变压器在当今开关电源发展应用的优势和前景,并进一步说明了平面变压器中绕组间距选择,绕组交叉技术及PCB绕组设计等要点。
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| 关 键 词： | 开关电源 平面变压器 功率密度 交叉绕组 PCB绕组设计 |
| 文章编号： | 1009-3664（2006）05-0055-03 |
| 收稿时间： | 2006-04-20 |
| 修稿时间： | 2006-04-20 |
Planar Transformer Applied to Switching Mode Power Supply |
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| WEI Chen,XIE Yun-xiang,SONG Jing-xian. Planar Transformer Applied to Switching Mode Power Supply[J]. Telecom Power Technologies, 2006, 23(5): 55-57,61 |
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| Authors: | WEI Chen XIE Yun-xiang SONG Jing-xian |
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| Affiliation: | Astec Power Lab, Electric Power College ,South China University of Technology,Guangzhou, 510640, China |
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| Abstract: | Planar transformer provides distinct advantages over the traditional transformer.It plays an important role in the technological evolution towards increased power density of power supplies,reducing the volume of magnetic component is of great significance.So,planar magnetic technology has been the subject of intensive research in recent years.In this paper,compared to the traditional transformer,the advantages of the planar transformer are reviewed.And several important issues in design of high frequency PCB planar transformers is proposed. |
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| Keywords: | power supply planar transformer power density interleaving winding PCB design |
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