| 一种快速自驱动电压建立同步整流器的研究 |
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| 引用本文： | 林维明,徐玉珍,郭晓君,黄超,华晓辉. 一种快速自驱动电压建立同步整流器的研究[J]. 电工技术学报, 2010, 0(12) |
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| 作者姓名： | 林维明 徐玉珍 郭晓君 黄超 华晓辉 |
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| 作者单位： | 福州大学电气工程与自动化学院; |
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| 基金项目： | 国家自然科学基金资助项目(60572016) |
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| 摘 要： | 为了提高谐振复位正激变换器同步整流自驱动电路的效率,提出一种新型高效快速自驱动电路,使得电路中续流开关管驱动的电压迅速建立,同时减少变换器的功耗,并给出新驱动电路工作原理和仿真与实验结果。论文最后对3.3V输出电压谐振复位正激变换器进行设计分析和实验分析,结果表明所提方案续流管的开通速度比现有方案驱动来得快,减少开关损耗和死区时间,提高了整机效率。
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| 关 键 词： | 自驱动方案 快速驱动 同步整流 谐振复位正激变换器 效率 |
A Novel High Speed Voltage-Driving Scheme of Synchronous Rectifiers |
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| Lin Weiming Xu Yuzhen Guo Xiaojun Huang Chao Hua Xiaohui. A Novel High Speed Voltage-Driving Scheme of Synchronous Rectifiers[J]. Transactions of China Electrotechnical Society, 2010, 0(12) |
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| Authors: | Lin Weiming Xu Yuzhen Guo Xiaojun Huang Chao Hua Xiaohui |
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| Affiliation: | Lin Weiming Xu Yuzhen Guo Xiaojun Huang Chao Hua Xiaohui(Fuzhou University Fuzhou 350108 China) |
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| Abstract: | A new gate-driver scheme is proposed in this paper to improve the efficiency of the self-driven synchronous rectifiers for a resonant reset forward converters.The scheme possesses fast setting-up rate of the driving voltage of the freewheeling and decrease the power losses in the converter.The operation principle,simulation and experiment results are presented in this paper.Design consideration and experimental results are also provided for 3.3V output voltage converters.The proposed gate-driving scheme for... |
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| Keywords: | Self-drive scheme high speed synchronous rectification forward converters efficiency |
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