| 移动式钢轨交流闪光焊专用晶闸管方波逆变器主电路分析 |
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| 引用本文： | 王志伟,易琼. 移动式钢轨交流闪光焊专用晶闸管方波逆变器主电路分析[J]. 电焊机, 2012, 42(4): 47-48 |
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| 作者姓名： | 王志伟 易琼 |
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| 作者单位： | 1. 湖南铁道职业技术学院 电气工程系,湖南株洲,412001
2. 南车集团 株洲电力机车有限公司技术中心,湖南株洲,412001 |
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| 摘 要： | 针对现有移动式钢轨交流闪光焊机系统三相负载不平衡和焊接波形不良的现状,研制一种新型的交流闪光焊专用晶闸管方波逆变器。通过主电路分析和样机试验证明,这种晶闸管方波逆变器能有效改善焊接波形,相比现有的钢轨交流闪光焊机晶闸管调压系统,可以节能30%以上。
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| 关 键 词： | 钢轨 闪光焊机 晶闸管 方波逆变器 主电路 |
Analysis of SCR square wave inverter main circuit in flash-butt-welding system for mobile railway |
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| WANG Zhi-wei , YI Qiong. Analysis of SCR square wave inverter main circuit in flash-butt-welding system for mobile railway[J]. Electric Welding Machine, 2012, 42(4): 47-48 |
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| Authors: | WANG Zhi-wei YI Qiong |
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| Affiliation: | 1.Electrical Engineering Department,Hu-nan Railway Professional Technology College,Zhuzhou 412001,China;2.Technical Center,CSR Zhuzhou Electric Locomotive Co.,Ltd.,Zhuzhou 412001,China) |
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| Abstract: | Aim to current unbalanced three-phase loads and poor welding quality of flash-butt-welding system for mobile railway,this paper developed a new type square wave inverter dedicated to AC flash butt welding,the analysis and practice can prove that the SCR square wave inverter can improve welding waveform,and may save energy 30% or more compare traditional AC flash butt welding. |
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| Keywords: | rail flash-butt-welding machine SCR square-wave-inverter main-circuit |
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