| 基于UC3875的新型DC／DC变换器研究 |
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| 引用本文： | 吴鸿霞,刘卫东.基于UC3875的新型DC／DC变换器研究[J].黄石理工学院学报,2011(4):1-4,9. |
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| 作者姓名： | 吴鸿霞 刘卫东 |
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| 作者单位： | 黄石理工学院电气与电子信息工程学院;湖北城市职业学校; |
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| 基金项目： | 黄石理工学院校级科学研究重点项目(项目编号:09yjz06A) |
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| 摘 要： | 围绕带钳位二极管的移相全桥ZVS变换器的工作原理、软开关实现条件、整流桥选用及其寄生振荡的抑制、电压型单环控制等问题进行了理论分析，设计了一套基于UC3875移相芯片的电压型单环控制系统，并搭建了实验平台，在实验平台上进行了实验，给出了实验结果。实验结果说明了控制方案的可行性，验证了电路设计的正确性。
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| 关 键 词： | UC3875 移相控制 零电压开关 |
Research of New DC/DC Converter Based on UC3875 |
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| WU Hongxia LIU Weidong.Research of New DC/DC Converter Based on UC3875[J].Journal of Huangshi Institute of Technology,2011(4):1-4,9. |
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| Authors: | WU Hongxia LIU Weidong |
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| Institution: | WU Hongxia1 LIU Weidong2(1 School of Electrical and Electronic Information Engineering,Huangshi Institute of Technology,Huangshi Hubei 435003,2 Hubei City Vocational School,Huangshi Hubei 435004) |
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| Abstract: | According to the theoretical analysis of the working principles of the phase-shifted full-bridge ZVS converter with clamping diodes,the realized conditions of soft switches,the selection of the rectifier bridge and its parasitic oscillation suppression and single-loop voltage control,a set of single-voltage-loop control system based on UC3875 phase-shift chip was designed and the experimental plat was built.The obtained experimental results showed the feasibility of the control program and the correctness o... |
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| Keywords: | UC3875 phase control zero voltage switch |
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