| 软开关逆变电源的PWM与PFM混合控制技术在焊接电源中的应用 |
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| 引用本文： | 姚军龙,齐铂金. 软开关逆变电源的PWM与PFM混合控制技术在焊接电源中的应用[J]. 焊接, 2003, 0(11): 18-20 |
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| 作者姓名： | 姚军龙 齐铂金 |
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| 作者单位： | 北京航空航天大学机械工程及自动化学院,100083 |
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| 摘 要： | 提出了一种新的适用于逆变焊接电源的PWM与PFM混合控制软开关技术，并简要阐述了其工作原理和控制方案。实验结果证明，PWM与PFM混合控制软开关技术增加了电源的软开关调整范围和短路电流控制精度，提高了逆变焊接电源的可靠性和效率，减小了逆变器的体积和重量。
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| 关 键 词： | 软开关 逆变电源 PWM PFM 混合控制 焊接电源 |
| 修稿时间： | 2003-07-15 |
APPLICATION OF PWM & PFM MIXED CONTROL SOFT-SWITCHING TECHNIQUE TO WELDING POWER SOURCE |
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| Yao Junlong,Qi Bojin Beihang University. APPLICATION OF PWM & PFM MIXED CONTROL SOFT-SWITCHING TECHNIQUE TO WELDING POWER SOURCE[J]. Welding & Joining, 2003, 0(11): 18-20 |
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| Authors: | Yao Junlong Qi Bojin Beihang University |
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| Abstract: | An innovative soft-switching technique for welding inverter based on PWM & PFM mixed control is proposed; its operational principle and control strategy are briefly introduced. Experimental result shows that this new technique is able to enhance the range of soft-switching and the precision of short circuit control, and to improve the reliability and efficiency. The inverter possesses lighter weight and smaller size. |
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| Keywords: | soft-switching inverter welding power source |
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