多通道电光电流隔离测量和放电电流特征在平行板传输线路驱动器中
Yongpeng Zhang1, Zhijian Lu1, Chengying Liu1
1State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, China.
The Review of scientific instruments
|December 8, 2023
概括
一个新的同步放电驱动器设计可确保六个并行气体火花开关的可靠电流测量. 该系统对于在高电流应用中评估元件安全性和性能至关重要.
科学领域:
- 高能脉冲动力系统是高能脉冲动力系统.
- 电气工程 电气工程 电气工程
- 血物理学的等离子体物理学
背景情况:
- 在高功率脉冲驱动器中精确的电流测量具有挑战性.
- 平行气体火花开关的同步操作对于系统完整性至关重要.
- 异步切换可能导致组件损坏和性能降低.
研究的目的:
- 设计和验证一个96kJ的紧同步放电驱动器.
- 为平行气体火花开关开发一个多通道隔离电流测量系统.
- 调查开关传导时间对驾驶员性能和部件安全的影响.
主要方法:
- 一个96kJ紧的同步放电驱动器的设计.
- 开发一个多通道隔离电流测量系统.
- 电路模拟和放电电流特征的实验研究.
主要成果:
- 在工作电压≥50kV时实现并行开关的同步传导.
- 当前的测量系统准确地记录了500kA (单通道) 的峰值电流和3MA的负载电流,在80kV时的上升时间为1.15μs.
- 异步传导将分支峰值电流增加高达25%,并威胁到组件安全,但充电再分配减轻了负载电流的影响.
结论:
- 设计的驱动器和测量系统满足高压,高电流脉冲电源应用的运行要求.
- 导电分散低于452ns对于保持负载电流降低低于3%和确保波形完整性至关重要.
- 这项研究为了解驱动器操作和评估气体开关和电容器等组件的通流能力提供了关键的见解.
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