| 非恒定电压输入情况下的改进型Buck ZCT PWM直流变换器的分析与仿真 |
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| 引用本文： | 李强,张俊洪,张松涛.非恒定电压输入情况下的改进型Buck ZCT PWM直流变换器的分析与仿真[J].船电技术,2009,29(11):12-17. |
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| 作者姓名： | 李强 张俊洪 张松涛 |
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| 作者单位： | 1. 海军工程大学电气与信息工程学院,武汉,430033
2. 海军蚌埠士官学校机电系,安徽,233012 |
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| 摘 要： | 本文以改进型Buck ZCT PWM电路为研究对象，对其十种工作模式进行了分析，研究了输入电压幅值的变化对其软开关条件的影响，并进行了仿真，并对不同输入电压输出电流情况下的仿真结果的对比分析。结果表明：该电路可以在较宽的电压输入，较宽的电流输出的情况下，实现对主管和辅管的软开关。
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| 关 键 词： | 软开关技术 零转换 脉宽调制变换器 |
Influence of Inconstant Voltage Input on the Improved Buck ZCT PWM DC-DC Converter |
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| Li Qiang,Zhang Junhong,Zhang Songtao.Influence of Inconstant Voltage Input on the Improved Buck ZCT PWM DC-DC Converter[J].Marine Electric & Electronic Technology,2009,29(11):12-17. |
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| Authors: | Li Qiang Zhang Junhong Zhang Songtao |
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| Institution: | Li Qiang, Zhang Junhong, Zhang Songtao ( 1. Navel University of Engineering, Wuhan 430033, China; 2. Bengbu Navy Petty Officer School, Anhui 233012, China) |
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| Abstract: | The improved Buck ZCT（Zero-Current-Transition） PWM DC-DC converter is studied. By analyzing its ten modes, the influence of inconstant voltage input on soft switching realization is investigated, and a simulation test is carried out. Test data under different voltages input and currents output are contrasted. The results show that all the semiconductors can realize ZCT/ZVT in a wide range voltage input. |
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| Keywords: | soft-switching technique Zero-Current-Transition PWM converter |
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