一种紧凑型固态Marx发生器的研究

姚皓伟; 李孜; 王永刚; 姜松; 饶俊峰

doi:10.11884/HPLPB202335.230148

一种紧凑型固态Marx发生器的研究

doi: 10.11884/HPLPB202335.230148

姚皓伟^1,,
李孜¹,
王永刚¹,
姜松¹,
饶俊峰^2, ,

1.
上海理工大学机械工程学院，上海 200093
2.
中国科学院苏州生物医学工程技术研究所，江苏苏州 215163

基金项目: 国家自然科学基金项目(12205192), 国家重点研发计划项目(2019YFC0119102)

详细信息

作者简介:
姚皓伟，1261095358@qq.com

通讯作者:
饶俊峰，raojf@sibet.ac.cn

中图分类号: TN78
计量
- 文章访问数: 152
- HTML全文浏览量: 54
- PDF下载量: 24
- 被引次数: 0
出版历程
- 收稿日期: 2023-05-28
- 修回日期: 2023-08-16
- 录用日期: 2023-09-08
- 网络出版日期: 2023-09-12

Investigation of a compact solid-state Marx generator

1.
School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 230026, China
2.
Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China

摘要

摘要: 提出用P型开关作为充电管、N型开关作为放电管串联形成半桥结构，将其门极也短接，以同一个信号同时驱动充电管和放电管。再利用共原边的串心磁环驱动方案，只需1个半桥电路就可以从原边同时传递驱动功率和信号，同步驱动所有充电管和放电管，大幅简化了脉冲电源结构和尺寸，降低了成本。并以此搭建了24级固态Marx发生器，在10 kΩ阻性负载上，获得了10 kV、1 kHz、5 μs的高压方波脉冲，验证了方案的可行性，且该电源主电路的尺寸仅有20 cm（长）×13 cm（宽）×5.5 cm（高）。
- 脉冲电源 /
- Marx发生器 /
- 高压脉冲 /
- 同步驱动 /
- 方波脉冲
Abstract: With the rapid advances in pulsed power technology, high-voltage pulse power supply is gradually developing towards modularization and miniaturization while ensuring high-voltage output. All-solid-state Marx generators generate pulses with flexible parameters adjustment and are increasingly used in a wide range of applications. Synchronous isolated driving is the core technology of solid-state Marx generators. In this paper, a compact solid-state Marx generator based on half-bridge structure was proposed. In each stage, a NPN MOSFET as the charging switch and a PNP MOSFET as the discharging switch forms a half-bridge circuit, and both their gates and sources were short circuited so they can be triggered with the same signal. Using many transformers with their primary windings in series, only one half-bridge circuit on the primary side was used to transfer both the driving power and control signals. Then all the charging switches and discharging switches were driven simultaneously, which greatly simplifies the structure and size of solid-state Marx generators and reduced costs. In this way, a 24-stage solid-state Marx generator prototype was built, and high-voltage square pulses of 10 kV, 1 kHz and 5 μs was obtained on a 10 kΩ resistive load. The feasibility of the scheme is verified, and the length, width and height of the main circuit is only 20 cm×13 cm×5.5 cm.
- pulse generator /
- Marx generator /
- high-voltage pulses /
- synchronous driving /
- square pulses

HTML全文

图 1 MOSFET连接电路图

Figure 1. Connection of P channel and N channel MOSFET

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图 2 Marx发生器示意图

Figure 2. Schematic diagram of Marx generator

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图 3 磁隔离同步驱动电路

Figure 3. Magnetic isolated synchronous drive circuit

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图 4 控制信号和开关当作时序图

Figure 4. Timing sequence of signals, gate voltage and drain-source voltage

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图 5 基于N&P型开关的固态Marx发生器的仿真电路图

Figure 5. Simulation circuit of a solid-state Marx generator based on N&P type MOSFETs

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图 6 仿真输出波形

Figure 6. Simulation output waveform

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图 7 紧凑型固态Marx发生器实物图

Figure 7. Photo of compact solid-state Marx generator

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图 8 N&P型开关的导通管压降V_ds波形对比图

Figure 8. Comparison diagram of conduction tube voltage drop V_ds waveform for N&P type switches

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图 9 N&P型开关门级串接电阻原理图

Figure 9. Schematic of gate resistors for N&P type switches

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图 10 不同参数下的输出脉冲电压波形

Figure 10. Voltage waveforms with different parameters

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图 11 重频放电波形

Figure 11. Repetitive frequency discharge waveform

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图 12 阻性负载输出电压波形

Figure 12. Output voltage waveform with resistive load

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图 13 阻性负载输出电流波形

Figure 13. Output current waveform with resistive load

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表 1 驱动源各项参数

Table 1. Various parameters of the driving source

Driving Source T_D/μs T_R/μs T_F/μs P_ER/μs P_W/μs V₁/V V₂/V

V_ai 0.1 0.1 0.1 50 19.5 0 −15
V_bi 20 0.1 0.1 50 5 0 15

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