| 基于DSP的移相控制改进型全桥变换器的研究 |
| |
| 引用本文： | 王印秋,刘迎春,程红. 基于DSP的移相控制改进型全桥变换器的研究[J]. 测控技术, 2009, 28(5) |
| |
| 作者姓名： | 王印秋 刘迎春 程红 |
| |
| 作者单位： | 1. 中国矿业大学,北京,100083;黑龙江科技学院,电气与信息工程学院,黑龙江,哈尔滨,150027
2. 中国矿业大学,北京,100083 |
| |
| 摘 要： | 分析了移相控制全桥(FB)ZVS-PWM变换器改进型拓扑电路的工作情况,给出了以DSP为控制核心的驱动信号产生方法,通过对输出电压信号和变压器原边电流反馈信号的采样,完成全桥移相变换器电压和电流的双闭环控制.实验验证了前、后桥臂开关管通过利用电感电容的谐振实现零电压开关,减少了在两桥臂之间实现ZVS的差别,限制了占空比的损失,消除了二极管的反向恢复时间.该变换器全负载下效率达93.5%,具有一定实用的价值.
|
| 关 键 词： | ZVS变换器 移相控制 |
Research of Improved Phase-Shifted Control Converter Based on DSP |
| |
| WANG Yin-qiu,LIU Ying-chun,CHENG Hong. Research of Improved Phase-Shifted Control Converter Based on DSP[J]. Measurement & Control Technology, 2009, 28(5) |
| |
| Authors: | WANG Yin-qiu LIU Ying-chun CHENG Hong |
| |
| Affiliation: | 1.China University of Mining Technology;Beijing 100083;China;2.Academe of Electrics and Information Engineering;Heilongjiang Institute of Science and Technology;Harbin 150027;China |
| |
| Abstract: | The operating principle of improving topology circuit of converter(FB)ZVS-PWM controlled by phase-shifted is analyzed,also the method of driving signal based on core DSP is introduced,the output voltage and primary inductance current are sampled to send to DSP device to realize the double closed-loop control of full-bridge phase-shifted converter.Experiment results verify the lead and lag switch ZVS by utilizing inductor capacitance(LC) resonant energy,the difference between two legs is reduced,the duty los... |
| |
| Keywords: | DSP |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
