| 逆变式等离子切割电源主电路的设计与仿真 |
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| 引用本文： | 陈要玲,陈克选,王雪莲.逆变式等离子切割电源主电路的设计与仿真[J].电焊机,2007,37(9):32-35. |
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| 作者姓名： | 陈要玲 陈克选 王雪莲 |
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| 作者单位： | 兰州理工大学,有色金属省部共建教育部重点实验室,甘肃,兰州,730050 |
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| 摘 要： | 针对国内逆变式空气等离子切割机的现状,对一种大功率空气等离子切割电源的主电路进行了设计,并对元器件进行了选择.该电源采用IGBT逆变式全桥电路结构,主电路采用较为常用的AC-DC-AC-DC逆变模式,通过对变压器、功率开关管、输入电路以及输出滤波电路等的设计,选择了工作电流为100A,电压为150V,开关频率为25 KHz.通过MATLAB下的仿真试验证明了所设计的主电路合理、有效,符合预定要求.
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| 关 键 词： | IGBT 主电路 等离子切割 仿真 |
| 文章编号： | 1001-2302（2007）09-0032-04 |
| 修稿时间： | 2007-07-17 |
Design and simulation of main circuit used in plasma cutting inverter |
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| CHEN Yao-ling,CHEN Ke-xuan,WANG Xue-lian.Design and simulation of main circuit used in plasma cutting inverter[J].Electric Welding Machine,2007,37(9):32-35. |
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| Authors: | CHEN Yao-ling CHEN Ke-xuan WANG Xue-lian |
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| Affiliation: | Key laboratory of Non-ferrous Metal Alloys ,Lanzhou University of Technology, Lanzhou 730050, China |
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| Abstract: | Considering the status of national air plasma cutting inverter,designs the main circuit of a powerful air plasma cutting power supply,and chooses the components.This power supply uses IGBT inverter full bridge circuit structure,and the main circuit uses common AC-DC-AC-DC inverter mode,by the designs of transformer,power switch transistor,input and output filter circuit, chooses the operation current of 100 A,vohage of 150 V,switching frequency of 25 kHz.The MATEAB simulation test proves the designs of the main cireuit arc reasonable and effective,and meet the pre-determined requirements. |
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| Keywords: | IGBT main circuit plasma cutting simulation |
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