| 基于DSP的软开关逆变弧焊电源的设计 |
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| 引用本文： | 刘钊,朱国荣,李勋,杨瑾,段善旭,康勇.基于DSP的软开关逆变弧焊电源的设计[J].电焊机,2007,37(4):17-20. |
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| 作者姓名： | 刘钊 朱国荣 李勋 杨瑾 段善旭 康勇 |
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| 作者单位： | 华中科技大学,电气学院,湖北,武汉,430074 |
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| 摘 要： | 给出了软开关逆变弧焊电源的主电路和数字化控制电路的设计方法.对比了逆变弧焊电源两种常用的软开关技术,在综合分析两种技术优缺点的基础上选择了ZVZCS,并就ZVZCS工作原理进行了阐述,给出了其主电路参数的设计方法.控制电路采用基于DSP的数字化控制系统,详细给出了移相PWM的实现原理和控制系统的软件流程图.根据以上原理试制了一台逆变弧焊电源,实验结果证明了设计原理的有效性和可行性.
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| 关 键 词： | 数字信号处理器 逆变弧焊电源 零电压零电流开关 软开关 |
| 文章编号： | 1001-2303(2007)04-0017-04 |
| 修稿时间： | 2006-12-21 |
Design of soft-swith arc welding inverter power source based on DSP |
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| LIU Zhao,ZHU Guo-rong,LI Xun,YANG Jin,DUAN Shan-xu,KANG Yong.Design of soft-swith arc welding inverter power source based on DSP[J].Electric Welding Machine,2007,37(4):17-20. |
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| Authors: | LIU Zhao ZHU Guo-rong LI Xun YANG Jin DUAN Shan-xu KANG Yong |
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| Affiliation: | School of Electri.,Huazhong University of Science and Technology,Wuhan 430074,China |
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| Abstract: | This paper gives the design method of main circuit and digital control method of the soft-switch arc welding inverter power source.First make a contrast between the two common soft-switch method of the arc welding inverter power source, choose the ZVZCS method based on their merits and faults and explain its work principle,then give its design method of main circuit parameter. Choose the control circuit with the digital system based on DSP,particularly present the realization method of phase-shifted PWM and software flow chart of the control system.In the end of the paper the experiment proves the validity and feasibility of the design theory. |
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| Keywords: | DSP arc welding inverter power source ZVZCS soft-switch |
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