| 软开关弧焊逆变电源全桥移相控制电路设计 |
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| 引用本文： | 李春旭,李德武,张学红. 软开关弧焊逆变电源全桥移相控制电路设计[J]. 电焊机, 2004, 0(Z1): 37-43 |
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| 作者姓名： | 李春旭 李德武 张学红 |
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| 作者单位： | 兰州理工大学,甘肃,兰州,730050 |
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| 摘 要： | 采用移相控制芯片UC3879设计了零电压全桥移相控制电路,获得了与理论分析相吻合的PWM移相波形,实现了输出波形0°～180°范围的移相;通过实验分析,验证了参数设计的正确性,揭示了元件参数对移相控制的影响规律,并对振荡参数、死区时间等重要参数进行了优化设计.
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| 关 键 词： | 软开关电源 全桥移相零电压开关 |
| 文章编号： | 1001-2303(2004)增-0037-07 |
Design of control circuit of full-bridge-phase-shifting modulation for soft-switching inverter arc welding power source |
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| LI Chun-xu,LI De-wu,ZHANG Xue-hong. Design of control circuit of full-bridge-phase-shifting modulation for soft-switching inverter arc welding power source[J]. Electric Welding Machine, 2004, 0(Z1): 37-43 |
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| Authors: | LI Chun-xu LI De-wu ZHANG Xue-hong |
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| Abstract: | Adopting phase-shifting control chip UC3879,full-bridge zero-voltage-switching control circuit is designed in this paper.The phase-shifting PWM waveform,which is consistent with theoretical analysis,is obtained,and phase-shitting range from0to180degree is realized.Correctness of parameter design is verified through experimental analysis.Influence regularity of component on phase-shifting control is brought forward,and some important parameters are optimized such as oscillation parameters and delay time. |
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| Keywords: | soft-switching power source FB-ZVS-PWM UC3879 optimal design |
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