| 单端反激式开关电源中变压器的设计 |
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| 引用本文： | 田俊杰,秋向华,陈静,柴书罡.单端反激式开关电源中变压器的设计[J].电源技术应用,2009,12(2):23-26. |
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| 作者姓名： | 田俊杰 秋向华 陈静 柴书罡 |
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| 作者单位： | [1]西安工业大学光电工程学院,西安710032 [2]陕西广电网络传媒股份有限公司,西安710068 |
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| 摘 要： | 变压器是开关电源中的核心器件，针对工作在连续电流（CCM）或断续电流模式（DCM）下的反激式变压器，在其设计中存在计算公式众多、参数设计困难等问题。本文通过综合分析磁芯大小、原边电感值、气隙大小、原边线圈的匝数、线径以及各个耦合绕组的绕法等各种因素，详细介绍了反激变压器设计的一般方法和步骤，并给出了设计实例，有利于快速设计出符合要求的反激变压器。
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| 关 键 词： | 开关电源 单端反激变压器 连续电流模式 断续电流模式 |
Design of Single-ended Flyback Transformers in the Switching Power Supply |
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| TIAN Junjie,QIU Xianghua,CHEN Jing,CHAI Shugang.Design of Single-ended Flyback Transformers in the Switching Power Supply[J].Power Supply Technologles and Applications,2009,12(2):23-26. |
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| Authors: | TIAN Junjie QIU Xianghua CHEN Jing CHAI Shugang |
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| Affiliation: | 1.School of Optoelectronic Engineering;Xi'an Technological University;Xi'an 710032;China;2.Shaanxi Broadcast & TV Network Intermediary Co.;LTD;Xi'an 710068;China |
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| Abstract: | Transformer is the core of the switching power supply device.In the design of flyback transformers that work in the current continuous and current discontinuous mode,there are many difficult issues,such as many formula and parameters.This paper carefully analyzes various factors,including the core size,the original edge inductance value,air-gap size,the original edge of the coil turns,and the diameter of the coupling winding around the law and other issues.And then we provide a concrete method and the detai... |
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| Keywords: | switching mode power supply single-ended flyback transformer continuous current mode discontinuous current mode |
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