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DE类大功率高频逆变器研究与实现

更新时间:2020-07-21 01:49:55 大小:329K 上传用户:zhiyao6查看TA发布的资源 标签:逆变器 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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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20kW、60kHz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。

In this paper, a kind of class-DE soft switch for high-power and high-frequency induction heating power supply 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 frequen- cy of IGBT and control the switch loss in the appropriate range when the full-bridge inverter works in 20 kW, 60 kHz senes resonant state

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DE类大功率高频逆变器研究与实现.pdf 329K

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