| 150W PT功率变换器的电荷泵式PFC电路设计 |
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| 引用本文： | 刘元超,张卫平,张晓强,张瑞.150W PT功率变换器的电荷泵式PFC电路设计[J].北方工业大学学报,2014,26(1):27-31. |
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| 作者姓名： | 刘元超 张卫平 张晓强 张瑞 |
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| 作者单位： | 北方工业大学信息工程学院,100144,北京;北方工业大学信息工程学院,100144,北京;北方工业大学信息工程学院,100144,北京;北方工业大学信息工程学院,100144,北京 |
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| 摘 要： | 根据压电变压器(简称PT)的电路拓扑和特点,提出了一种适用于PT功率变换器的电荷泵式功率因数校正(简称CPPFC)电路.分析了输入电流连续状态下CPPFC电路的工作原理,以及网侧功率因数状态.给出了设计方法,为计算参数提供依据.做了Pspice仿真,仿真结果证明:可以有效地提高功率因数.制作了带有CPPFC电路的变换器.实验结果表明:功率因数为0.9,线输入电流的谐波分量满足IEC 61000-3-2标准要求,母线电压为300V.
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| 关 键 词： | 压电变压器 电荷泵 功率因数 谐振槽路 |
Design of Charge Pump Power Factor Correction Circuit for 150W PT Power Converter |
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| Liu Yuanchao Zhang Weiping Zhang Xiaoqiang Zhang Rui.Design of Charge Pump Power Factor Correction Circuit for 150W PT Power Converter[J].Journal of North China University of Technology,2014,26(1):27-31. |
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| Authors: | Liu Yuanchao Zhang Weiping Zhang Xiaoqiang Zhang Rui |
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| Affiliation: | Liu Yuanchao Zhang Weiping Zhang Xiaoqiang Zhang Rui (Col. of Information Engineering, North China Univ. of Tech. , 100144, Beijing, China) |
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| Abstract: | A charge pump power factor correction （CPPFC） circuit for PT power converter has been proposed based on the circuit topology and the features of PT. The principle of continuous in- put current CPPFC circuit and the unity power factor condition are analyzed. The design method is put forward and the parameters are calculated. The Pspice simulation results show that the power factor increases efficiently. The converter with CPPFC circuit is implemented and tested. It is shown that the power factor is 0.9~ the line input current harmonic components satisfy the require- ments of IEC 61000-3-2, and the bus voltage is 300V. |
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| Keywords: | piezoelectric transformer ~ charge pump~power factor ~ resonance tank |
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