| ZVS全桥移相软开关电源 |
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| 引用本文： | 李春华,胡红林,王艳超. ZVS全桥移相软开关电源[J]. 黑龙江科技学院学报, 2008, 18(4) |
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| 作者姓名： | 李春华 胡红林 王艳超 |
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| 作者单位： | 黑龙江科技学院,电气与信息工程学院,哈尔滨,150027 |
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| 摘 要： | 为了克服硬开关电源尖峰干扰大、可靠性差、效率低的缺点,分析了全桥移相软开关电路超前臂和滞后臂的不同工作状态,讨论了全桥移相软开关电路的占空比丢失现象,对软开关谐振器超前臂、滞后臂的并联电容和串联电感参数进行选取.通过试制4 kW全桥移相ZVS软开关电源,获得了变压器前端电压和电流波形.结果表明:开关管实现了零电压变换,验证了谐振电感和谐振电容参数选取的正确性.
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| 关 键 词： | 全桥移相 软开关 谐振 |
Full-bridge phase-shifting ZVS power source |
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| LI Chunhua,HU Honglin,WANG Yanchao. Full-bridge phase-shifting ZVS power source[J]. Journal of Heilongjiang Institute of Science and Technology, 2008, 18(4) |
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| Authors: | LI Chunhua HU Honglin WANG Yanchao |
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| Affiliation: | LI Chunhua,HU Honglin,WANG Yanchao(College of Electrical , Information Engineering,Heilongjiang Institute of Science & Technology,Harbin 150027,China) |
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| Abstract: | Directed at overcoming the hard-switching power supply's shortcomings,such as great peak interference,poor reliability,and low efficiency,this paper analyses the different states about the leading arm and the lagging arm of the full-bridge phase-shifting soft-switching circuit and discusses the duty factor loss of full-bridge phase-shifting soft-switching circuit.The paper also gives the choice of the parameter of the parallel capacitance and series inductance in the soft-switching resonator's leading arm a... |
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| Keywords: | full-bridge phase-shifting soft-switching resonance |
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