The Development of All Solid-State Multi-Turn Linear Transformer Driver
Dong Shoulong1,2, Wang Yilin1, Zeng Weirong1, Ma Jianhao1, Yao Chenguo1
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400030 China; 2. Electrical Engineering Postdoctoral Mobile Station Chongqing University Chongqing 400030 China
Abstract：An all solid-state multi-turn linear transformer driver is designed for the application of pulse power techniques with high-voltage, large-current and wide pulse width in pulsed electromagnetic biomedical applications. The magnetic core of the linear transformer driver (LTD) pulse generator adopts the method of multi-turn winding, which can output pulse of wide pulse width. The isolation of drive power supply and energy charging with co-direction winding of LTD modules is designed, and the isolation voltage of magnetic cores is the working voltage of LTD modules. The multi-turn LTD pulse generator is composed of 10 LTD modules. Each module is connected in parallel by 18 energy storage capacitors and MOSFETs discharge switches, and its synchronous drive circuit is designed. Through the analysis and selection of the components model and circuit, a modular all-solid-state pulse generator based on multi-turn LTD is development, which can output pulse parameters for the voltage amplitude 0~5kV, the output pulse current up to 500A, pulse width 200ns-5μs, pulse rise time 30ns, falling time 16ns, and its parameters can adjusted flexibly such as pulse width and amplitude. Moreover, higher voltage pulse can be achieved by increasing the number of LTD module.
董守龙, 王艺麟, 曾伟荣, 马剑豪, 姚陈果. 一种全固态多匝直线型变压器驱动源的研制[J]. 电工技术学报, 2020, 35(7): 1584-1591.
Dong Shoulong, Wang Yilin, Zeng Weirong, Ma Jianhao, Yao Chenguo. The Development of All Solid-State Multi-Turn Linear Transformer Driver. Transactions of China Electrotechnical Society, 2020, 35(7): 1584-1591.
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2020, Vol. 35 
