小型化电感隔离型Marx发生器的研制

焦毅; 姜松; 王永刚; 饶俊峰

doi:10.11884/HPLPB202335.220291

小型化电感隔离型Marx发生器的研制

doi: 10.11884/HPLPB202335.220291

焦毅^1,,
姜松¹,
王永刚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: 国家重点研发计划项目(2019YFC0119102); 上海市青年科技英才扬帆计划项目(20YF1431100); 上海理工大学-上海交通大学医学院医工交叉重点支持项目(2021005)

详细信息

作者简介:
焦　毅，15705183580@163.com

通讯作者:
饶俊峰， raojunfeng1985@163.com

中图分类号: TM832
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- 被引次数: 0
出版历程
- 收稿日期: 2022-09-14
- 修回日期: 2023-01-10
- 录用日期: 2023-02-03
- 网络出版日期: 2023-02-04
- 刊出日期: 2023-04-07

Development of miniaturized inductor-isolated Marx generator

1.
School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
2.
Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China

摘要

摘要: 随着脉冲功率技术的发展，纳秒脉冲电场被逐渐应用到等离子体水处理、不可逆电穿孔肿瘤消融等技术中。为了满足纳秒脉冲的应用需求，电源需要输出十几kV高压，拥有纳秒窄脉宽和快速的上升沿，同时尽量减小电源体积，降低成本。该纳秒脉冲电源采用电感隔离型Marx发生器结构，电路可以实现模块化叠加，电感隔离可以减少开关数量，抬升充电电压，以获得更高的电压输出。所设计的驱动电路仅需一路控制信号和一个直流供电模块，经功率放大和磁隔离后可同时控制所有放电管，该驱动电路结构简单、成本低、体积小，耐压水平高。所设计的24级电源样机，在50 kΩ阻性负载上，可输出0～14 kV电压，频率0.5～1 kHz，脉宽500 ns。该电源主电路的长宽高尺寸仅为23 cm×10 cm×12 cm。
- Marx发生器 /
- 脉冲电源 /
- 脉冲功率 /
- 电感隔离
Abstract: With the development of pulsed power technology, nanosecond pulsed electric field has been gradually applied to plasma water treatment, irreversible electroporation for tumor ablation and other technologies. To meet the application requirements of nanosecond pulses, the power supply is required to output high voltage exceeding 10 kV, with narrow nanosecond pulse width and fast rising edge. At the same time, it is required to reduce the size and the cost. The nanosecond pulse power supply is an inductor-isolated Marx generator, whose circuit can realize modular superposition. Inductive isolation can reduce the number of switches and raise the charging voltage to obtain a higher voltage output. The driving circuit has only one control signal and one DC power supply module, which can control all discharge tubes at the same time after power amplification and magnetic isolation. The driving circuit has the advantages of simple structure, low cost, small volume and high voltage resistance. The power supply has 24 stages. Under the condition of 50 kΩ resistive load, high voltage pulses with 500 ns pulse width, amplitude of 0−14 kV and adjustable frequency of 0.5−1 kHz are generated. The size of the main circuit is only 23 cm×10 cm×12 cm.
- Marx generator /
- pulsed power supply /
- pulsed power /
- inductive isolation

HTML全文

图 1 电感隔离型Marx主电路图

Figure 1. Main circuit of the inductor-isolated Marx generator

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图 2 驱动电路设计图

Figure 2. Design of driving circuit

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图 3 驱动电路的仿真原理图

Figure 3. Simulation schematic diagram of driving circuit

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图 4 门极驱动电压仿真波形

Figure 4. Simulation waveform of gate driving voltage

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图 5 电感电流的仿真波形

Figure 5. Simulation waveform of inductor current

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图 6 电容电压的仿真波形

Figure 6. Simulation waveform of capacitor voltage

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图 7 电源实物图

Figure 7. Photo of power supply

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图 8 输出电压14 kV重复频率1 kHz的电压波形

Figure 8. Voltage waveform of 14 kV pulses at the frequency of 1 kHz

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图 9 不同输出电压的波形

Figure 9. Waveforms of different output voltages

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表 1 不同频率下的输出电压

Table 1. Simulated output voltage at different frequencies

No.	frequency/kHz	output voltage/kV
1	0.1	2.0
2	0.5	2.2
3	1	2.3
4	5	2.6
5	10	2.7

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表 2 电压输出结果

Table 2. Experimental results of voltage output

No.	input voltage/V	output voltage/kV
1	120	4
2	250	8
3	320	10
4	400	12
5	515	14

下载: 导出CSV

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