| 一种三电平谐振型数字式直流变换器的研究 |
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| 引用本文： | 邢波,张东来,茹永刚. 一种三电平谐振型数字式直流变换器的研究[J]. 电力电子技术, 2007, 41(9): 53-54 |
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| 作者姓名： | 邢波 张东来 茹永刚 |
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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;艾默生网络能源有限公司,广东,深圳,518057 |
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| 摘 要： | 近年来LLC谐振变换器和三电平技术得到了广泛关注.提出了以TMS320F2801为控制核心的三电平LLC谐振型直流变换器.该变换器采用PI数字变频与PWM控制相结合的方案实现.样机试验结果证明,该变换器具有全负载范围内损耗小,效率高,动态稳定性好等优点.
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| 关 键 词： | 变换器 数字控制 变频 脉宽调制/三电平 |
| 文章编号： | 1000-100X（2007）09-0053-02 |
| 修稿时间： | 2007-05-29 |
Digital Control Strategy Investigation of Three-level LLC Serial-resonant DC/DC Converter |
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| XING Bo,ZHANG Dong-lai,RU Yong-gang. Digital Control Strategy Investigation of Three-level LLC Serial-resonant DC/DC Converter[J]. Power Electronics, 2007, 41(9): 53-54 |
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| Authors: | XING Bo ZHANG Dong-lai RU Yong-gang |
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| Affiliation: | 1 .Shenzb,en Graduate School of Harbin Institute of Technology, Shenzhen 518055, China; 2.Emerson Network Power Co. Ltd., Shenzhen 518057, China |
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| Abstract: | LLC resonant converter and three-level technology are widely focused on recently years.This paper presents three-level LLC serial-resonant converter based on TMS320F2801 digital controller and the strategy of the digital PI variable frequency plus PWM control.Finally,experimental waveforms of prototype are illustrated.The merits of converter can be proved as follows,less loss with full load,high efficiency and good dynamic characteristics. |
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| Keywords: | converter digital control variable frequency pulse width modulation /three-level |
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