| 基于变频控制的串联谐振DC/DC变换器的研究 |
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| 引用本文： | 陈良亮,尹宏旭,周斌,张浩,丁志刚.基于变频控制的串联谐振DC/DC变换器的研究[J].电工电能新技术,2011,30(3):6-9. |
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| 作者姓名： | 陈良亮 尹宏旭 周斌 张浩 丁志刚 |
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| 作者单位： | 国网电力科学研究院; |
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| 基金项目： | 国家863计划课题资助项目(2011AA11A249) |
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| 摘 要： | 串联谐振DC/DC变换器具有电路结构简单、在全输入和全负载范围内可实现开关管的ZVS、功率转换效率高等优点,是目前开关电源研究的热点之一。本文分析了基于变频控制的串联谐振DC/DC变换器的工作原理,阐明了变换器在三种不同开关频率下的工作特性,定量地给出了不同工作状态下变换器的输入电压、输出电压、开关频率以及谐振电感等参数之间的关系式。在一台1.5KW原理样机上的实验结果表明,该变换器变换效率最高可达96.3%,所有开关管实现ZVS,不同工作状态时变换器输入输出电压等参数关系与理论分析一致。
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| 关 键 词： | 变频控制 串联谐振 DC/DC变换器 ZVS |
Research on series resonant DC/DC converter based on variable-frequency control |
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| CHEN Liang-liang,YIN Hong-xu,ZHOU Bin,ZHANG Hao,DING Zhi-gang.Research on series resonant DC/DC converter based on variable-frequency control[J].Advanced Technology of Electrical Engineering and Energy,2011,30(3):6-9. |
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| Authors: | CHEN Liang-liang YIN Hong-xu ZHOU Bin ZHANG Hao DING Zhi-gang |
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| Affiliation: | CHEN Liang-liang,YIN Hong-xu,ZHOU Bin,ZHANG Hao,DING Zhi-gang(State Grid Electric Power Research Institute,Nanjing 210061,China) |
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| Abstract: | Series resonant DC/DC converter based on variable-frequency control has such advantages as simple topology structure,ZVS for switching MOSFETs in all input voltage and full load range,ZCS for output rectifier diodes and high efficiency,thus this converter is currently one of the research hotspots in switching power converters in the world.The principle of series resonant DC/DC converter is analyzed firstly,and the converter's characteristics under three kinds of working frequencies are also described in thi... |
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| Keywords: | variable-frequency control series resonant DC/DC converter ZVS |
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