| 用Buck-Boost变换器实现PFC和半桥驱动输出 |
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| 引用本文： | 潘飞蹊,陈星弼.用Buck-Boost变换器实现PFC和半桥驱动输出[J].电力电子技术,2003,37(6):17-19,52. |
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| 作者姓名： | 潘飞蹊 陈星弼 |
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| 作者单位： | 电子科技大学,四川,成都,610054 |
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| 摘 要： | 基于Buck-Boost变换器工作的基本原理，提出了一种功率因数校正(PFC)和半桥输出相结合的电路结构；并给出了相应的控制方式。理论分析求出了电感取值的边界条件。由于该电路能够实现降压输出，因而降低了对所有功率开关管的耐压要求。
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| 关 键 词： | 变换器 功率因数／半桥输出 降压输出 Buck-Boost电路 |
| 文章编号： | 1000-100X(2003)06-0017-03 |
The PFC and Half-Bridge Output Circuit Based on Buck-Boost Converter |
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| PAN Fei-xi,CHEN Xing-bi.The PFC and Half-Bridge Output Circuit Based on Buck-Boost Converter[J].Power Electronics,2003,37(6):17-19,52. |
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| Authors: | PAN Fei-xi CHEN Xing-bi |
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| Abstract: | A circuit of Power-Factor-Control (PFC)in combination with a Half-Bridge output stage is proposed based on the working principle of Buck-Boost converter, and the control mode is also given. The theory analysis determines the boundary condition of the inductor. Since this circuit can reduce the output voltage, the requirement for the voltage sustain capability of all the power switches can be reduced accordingly. |
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| Keywords: | converter PFC/ Half-Bridge output reduced output voltage Buck-Boost circuit |
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