| DE类大功率高频逆变器研究与实现 |
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| 引用本文： | 张影,田泽朋,王高锋,刘平.DE类大功率高频逆变器研究与实现[J].电测与仪表,2018,55(1):109-113. |
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| 作者姓名： | 张影 田泽朋 王高锋 刘平 |
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| 作者单位： | 郑州大学信息工程学院,郑州,450001 |
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| 摘 要： | 提出了一种用于大功率高频感应加热的DE类软开关全桥逆变器,以此减小IGBT的高频开关损耗提高IGBT的工作频率。文章对DE类全桥逆变电路进行分析,并将电路分为四个状态,分别对每个状态电路和波形进行分析。全桥逆变工作在20 k W、6 0k Hz串联谐振状态下,实验结果证明DE类软开关能实现提高IGBT的工作频率,并将开关损耗控制在合适的范围。
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| 关 键 词： | DE类软开关 全桥逆变电路 IGBT class-DE soft switch full-bridge inverter circuit IGBT |
| 收稿时间： | 2017/3/3 0:00:00 |
| 修稿时间： | 2017/3/3 0:00:00 |
Research and Implementation of Class-DE High-frequency and High-power Inverter |
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| Zhang Ying,Tian Zepeng,wang gaofeng and liu ping.Research and Implementation of Class-DE High-frequency and High-power Inverter[J].Electrical Measurement & Instrumentation,2018,55(1):109-113. |
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| Authors: | Zhang Ying Tian Zepeng wang gaofeng and liu ping |
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| Affiliation: | School of Information Engineering,Zhengzhou University,School of Information Engineering,Zhengzhou University,School of Information Engineering,Zhengzhou University,School of Information Engineering,Zhengzhou University |
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| Abstract: | In this paper,a kind of class-DE soft switch for high-power and high-frequency induction heating powersupply based on full-bridge inverter is proposed in order to improve the working frequency of IGBT.The proposed class-DE full-bridge inverter circuit is analyzed.The circuit is divided into four states,and the circuit and waveform of each state is analyzed.The experimental results show that the class-DE soft switch can improve the operating frequency of IGBT and control the switch loss in the appropriate range when the full-bridge inverter works in 20 kW,60 kHz series resonant state. |
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| Keywords: | class-DE soft switch full-bridge inverter circuit IGBT |
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