| 双Buck ZVT-PWM电路在直流斩波器中的应用 |
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| 引用本文： | 郭殿林,闫大新,杨庆江.双Buck ZVT-PWM电路在直流斩波器中的应用[J].电力电子技术,2008,42(3):35-37. |
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| 作者姓名： | 郭殿林 闫大新 杨庆江 |
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| 作者单位： | 黑龙江科技学院,黑龙江,哈尔滨,150027 |
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| 基金项目： | 黑龙江省教育厅资助项目(11511341)~~ |
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| 摘 要： | 分析了Buck ZVT-PWM电路的工作情况,并给出了双Buck ZVT-PWM电路的Matlab仿真波形;设计了以DSP为控制核心的驱动信号产生方法,并将该电路应用于斩波器中,以完成斩波器调速系统的双闭环控制。实验证明,当主开关管在零电压下开通时,变换器整体效率达91.2%,相对于单Buck变换器,其抗干扰性强,具有较高的实用价值。
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| 关 键 词： | 脉宽调制 斩波器 控制 |
| 文章编号： | 1000-100X(2008)03-0035-02 |
| 修稿时间： | 2007年9月27日 |
Application of Double Buck ZVT-PWM Circuit in DC Chopper |
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| GUO Dian-lin,YAN Da-xin,Yang Qing-jiang.Application of Double Buck ZVT-PWM Circuit in DC Chopper[J].Power Electronics,2008,42(3):35-37. |
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| Authors: | GUO Dian-lin YAN Da-xin Yang Qing-jiang |
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| Abstract: | Operation of Buck ZVT-PWM circuit was analyzed and simulating waveform of matlab double Buck ZVT-PWM circuit was given.The implemention method of driving signal being produced on the basis of the core of DSP was designed.Moreover,the circuit was applied in DC chopper speed-regulating to complete the double closed-loop control.The experi-ments indicate that main transistors switch on at zero-voltage time,the whole efficiency reach 91.2%,and the system has the high anti-jamming characteristics compared to the single Buck converter and practical merit. |
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| Keywords: | pulse width modulation chopper control |
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