| 一种推挽式变换器的漏感影响研究 |
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| 引用本文： | 郑长明,张加胜,陈瑞,朱辰星,郑威.一种推挽式变换器的漏感影响研究[J].电测与仪表,2016,53(11):32-38. |
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| 作者姓名： | 郑长明 张加胜 陈瑞 朱辰星 郑威 |
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| 作者单位： | 中国石油大学 华东 信息与控制工程学院,山东青岛,266580 |
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| 摘 要： | 根据磁势平衡原理,研究了一种带桥式整流输出的推挽式变换器的工作波形及性能影响因素,主要结合变压器激磁电感和漏感效应,建立了变换器等效电路模型和数学解析模型,详细讨论了激磁电感跨接在变压器原边两绕组之间时,推挽变换器无漏感和漏感等效于副边侧时的物理关系和理论波形。深入分析了漏感对开关管端电压、电路输出电压和能量回馈等方面造成的影响及消除方法。通过Matlab仿真验证了有关模型及理论分析结果的正确性。
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| 关 键 词： | 推挽式变换器 等效模型 漏感 能量回馈 |
| 收稿时间： | 2015/4/14 0:00:00 |
| 修稿时间： | 2015/6/11 0:00:00 |
Study on the effects of leakage inductance in a push-pull converter |
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| Zheng Changming,Zhang Jiasheng,Chen Rui,Zhu Chenxing and Zheng Wei.Study on the effects of leakage inductance in a push-pull converter[J].Electrical Measurement & Instrumentation,2016,53(11):32-38. |
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| Authors: | Zheng Changming Zhang Jiasheng Chen Rui Zhu Chenxing and Zheng Wei |
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| Affiliation: | College of Information and Control Engineering,China University of Petroleum,College of Information and Control Engineering,China University of Petroleum,College of Information and Control Engineering,China University of Petroleum,College of Information and Control Engineering,China University of Petroleum,College of Information and Control Engineering,China University of Petroleum |
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| Abstract: | According to the principle of magnetic potential balance , the operating waveforms and effects on perform-ance of the push-pull converter with bridge rectifier output circuit are analyzed .Combined with magnetizing induct-ance and leakage inductance effect of transformers , the equivalent circuit model and mathematical analytical model of the converters are established .The physical relationships and theoretical waveforms of push -pull converter with and without secondary side equivalent leakage inductance when the magnetizing inductance is placed between two primary windings of the transformer are discussed in detail .The effect of leakage inductance on terminal voltage of the switch , output voltage and energy feedback of the circuit and their elimination methods are deeply studied .The Matlab simula-tion verifies the correctness of the correlation model and theoretical results . |
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| Keywords: | push-pull converter equivalent model leakage inductance energy feedback |
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