基于半转平面变压器的快门驱动器的调查
Diangeng Li1, Zicheng Zhang1, Jingming Gao1
1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China.
The Review of scientific instruments
|December 4, 2024
概括
这项研究介绍了一种磁隔离门驱动器,用于快速切换绝缘门双极晶体管 (IGBT). 这种新的设计实现了快速电压上升的时间,增强了脉冲动力应用,如电磁发射.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 脉冲动力系统 脉冲动力系统
背景情况:
- 绝缘门双极晶体管 (IGBT) 的快速切换对于紧的脉冲电源至关重要.
- 现有的门驱动器设计在实现电磁发射和食品加工等应用所需的利上升边缘和平顶脉冲方面存在局限性.
研究的目的:
- 介绍一款用于高性能IGBT开关的新型磁隔离门驱动器.
- 为了增强驱动电压脉冲振幅,并减少脉冲动力应用的上升时间.
- 为了验证网关驱动器在驱动Blumlein脉冲形成网络的IGBT方面的有效性.
主要方法:
- 实现一个磁隔离的门驱动器使用一个平面变压器与半转绕的安排.
- 与交叉结构相比,变压器泄漏感应率减少了31.1%.
- 门驱动器与Blumlein脉冲形成网络的集成,用于IGBT切换.
主要成果:
- 实现了漏电感应率的显著降低,使得驱动电压脉冲上升时间快.
- 对于商用 (Si) IGBT,其显示的高di/dt大约为10.10 A/ns.
- 记录了一个门电容充电时间约为88 ns的50 V门电压.
结论:
- 拟议的磁隔离门驱动器有效地促进了Si IGBT的快速切换.
- 新的半转平面变压器设计为苛刻的脉冲动力应用提供了高性能驱动方案.
- 这项技术对推进电磁发射和食品加工系统,需要精确,快速的电力传输,显示出前途.
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