平方波线性变压器驱动器基于Blumlein型脉冲形成网络和伪火花开关
Qi Yuan1, Shengyu Tang1, Weidong Ding1
1State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, China.
The Review of scientific instruments
|May 7, 2025
概括
研究人员开发了一种用于高压方波脉冲的新型脉冲发生器,实现25.0kV的输出,具有快速上升时间和平面顶部. 这一进步有利于高功率微波和闪光摄影应用.
科学领域:
- 电气工程 电气工程
- 脉冲动力系统 脉冲动力系统
- 高压技术的高压技术
背景情况:
- 高压方形波脉冲对于诸如高功率微波生成和闪光摄影等应用至关重要.
- 现有的脉冲发生器在实现快速上升时间,平面顶部和紧结构方面面临着挑战.
研究的目的:
- 提出一种新的方形波脉冲形成方法.
- 将多通道伪火花开关 (MCPSS),Blumlein型脉冲形成网络 (BPFN) 和线性变压器驱动器 (LTD) 技术结合起来.
- 为了优化对要求高的应用程序的输出波形.
主要方法:
- 开发了一个单阶段的LTD模块.
- 使用了波形调制技术.
- 为了优化,使用了单间隙MCPSS,不平等容量的BPFN和磁开关.
主要成果:
- 产生了一个方形波脉冲,电压为25.0kV.
- 实现了 24.9 ns 的快速前方 (tf).
- 获得的平顶底宽度 (tbw) 为77.8 ns (90% Umax ~ 90% Umax) 和半边最大的全宽度为94.3 ns.
结论:
- 结合MCPSS,BPFN和LTD的方法有效地产生高压方形波脉冲.
- 优化的系统满足了对快速前端和平顶脉冲的严格要求.
- 这项技术对推进脉冲动力应用有前途.
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