| 一种适用于高压大功率变换器的三电平直流变换器 |
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| 引用本文： | 阮新波,李斌,陈乾宏.一种适用于高压大功率变换器的三电平直流变换器[J].中国电机工程学报,2003,23(5):19-23. |
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| 作者姓名： | 阮新波 李斌 陈乾宏 |
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| 作者单位： | 南京航空航天大学,江苏,南京,210016 |
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| 基金项目： | 国家自然科学基金项目(50177013)~~ |
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| 摘 要： | (半桥)三电平变换器的优点是其开关管的电压应力为输入电压的一半，该文从另一个角度提出它的推导思路，从中提取出两种三电平开关单元。将(半桥)三电平变换器的推导思路推广到所有的直流变换器，提出了三电平变换器族系，该类变换器除了开关管电压应力为其原型变换器的一半以外，部分变换器还可以大大减小滤波器，提高变换器的动态响应。三电平变换器可以广泛应用于高输入电压/输出电压、中大功率的直流变换场合。
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| 关 键 词： | 三电平直流变换器 高压大功率变换器 动态响应 开关管 电压应力 |
| 文章编号： | 0258-8013(2003)05-0019-05 |
| 修稿时间： | 2002年7月15日 |
A NEW APPROACH FOR HIGH VOLTAGE AND HIGH POWER THREE-LEVEL DC-DC CONVERSION |
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| RUAN Xin-bo,LI Bin,CHEN Qian-hong.A NEW APPROACH FOR HIGH VOLTAGE AND HIGH POWER THREE-LEVEL DC-DC CONVERSION[J].Proceedings of the CSEE,2003,23(5):19-23. |
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| Authors: | RUAN Xin-bo LI Bin CHEN Qian-hong |
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| Abstract: | The most important advantage of the Half-Bridge (HB) Three-Level (TL) converter is that the voltage stress of the switches is only half of the input voltage. The derivation of HB TL converter is presented in this paper, and from which two TL switch cells are extracted. The derivation of the HB TL converter is extended to all the dc-dc converters, thus a family of TL converters is proposed. In addition to the reduction of the voltage stress of the switches, some TL converters have the merit that the filter can be significantly reduced, and the transient response can be improved. TL converters are suited to the medium and high power dc-dc conversions of high input/output voltages. |
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| Keywords: | Power system DC-Dcconversion Three-level converter Pulse-width-modu-lation Interleaving technique |
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