基于同轴传输线路的环状脉冲形成线
Xudong Qiu1,2, Jiancang Su2, Rui Li2
1Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China.
The Review of scientific instruments
|March 27, 2024
概括
研究人员开发了一种固态环状脉冲形成线 (APFL),使用薄膜绝缘同轴传输线来创建脉冲动力技术的快速上升时间脉冲. 这种新的APFL设计为高压应用提供了小型化和耐用性.
科学领域:
- 脉冲动力技术是一种脉冲动力技术.
- 高电压工程 高电压工程
- 电气工程 电气工程
背景情况:
- 脉冲形成线 (PFL) 的小型化,轻量化和固化对于推进脉冲动力技术至关重要.
- 现有的PFL通常面临尺寸,重量和运行耐用性方面的限制,这阻碍了它们在苛刻的场景中应用.
- 固态PFL的开发对于提高脉冲动力系统的可靠性和性能至关重要.
研究的目的:
- 开发一条全固态环状脉冲形成线 (APFL),用于生成快速升起时间的准正方形脉冲.
- 设计和建造一个紧的,耐用的脉冲形成线路,能够高压运行.
- 将APFL集成到特斯拉型脉冲发生器的多级PFL中,并评估其性能.
主要方法:
- 使用多层聚烯薄膜,能够承受高达200kV的螺旋同轴输电线路 (CCTL) 的建造.
- 一个紧的,90°曲绝缘终端的设计,以将脉冲传输从周边转向轴向.
- 使用三个CCTL并行连接终端组装APFL,并集成到特斯拉型脉冲发生器的多阶段PFL中.
主要成果:
- 开发的CCTL具有出色的绝缘性能和小的截面直径 (7.4毫米).
- 具有2.95 Ω阻抗和13 ns传输时间的APFL在75 kV下演示了超过10万个操作周期.
- 多级PFL,当充电到1MV时,产生了510kV振幅,4ns上升时间和41.5ns宽度的准正方形脉冲,平顶波动为6%.
结论:
- 全固态APFL设计成功地满足了小型化和强大的脉冲形成线的需求.
- 终端的并行连接有效地减轻了电感效应,使得快速的脉冲产生.
- 集成的多级PFL显示了高性能脉冲动力应用的巨大潜力,包括特斯拉型发电机.
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