[1]邓珀昆,蔡厚智,龙井华,等.晶闸管自触发并联Marx发生器设计[J].深圳大学学报理工版,2021,38(5):459-467.[doi:10.3724/SP.J.1249.2021.05459]
 DENG Pokun,CAI Houzhi,LONG Jinghua,et al.Design of self-triggering parallel Marx generator with thyristor[J].Journal of Shenzhen University Science and Engineering,2021,38(5):459-467.[doi:10.3724/SP.J.1249.2021.05459]
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晶闸管自触发并联Marx发生器设计()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第38卷
期数:
2021年第5期
页码:
459-467
栏目:
光电工程
出版日期:
2021-09-15

文章信息/Info

Title:
Design of self-triggering parallel Marx generator with thyristor
文章编号:
202105003
作者:
邓珀昆蔡厚智龙井华王东雷云飞黄峻堃王勇刘进元
深圳大学物理与光电工程学院,光电子器件与系统教育部/广东省重点实验室, 广东深圳 518060
Author(s):
DENG Pokun CAI Houzhi LONG Jinghua WANG Dong LEI Yunfei HUANG Junkun WANG Yong and LIU Jinyuan
College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
电路与系统自触发Marx发生器并联Marx晶闸管长磁透镜
Keywords:
circuits and systems self-triggering Marx generator parallel Marx thyristor long magnetic lens
分类号:
TM89
DOI:
10.3724/SP.J.1249.2021.05459
文献标志码:
A
摘要:
采用充电直流电源为600 V的晶闸管作为电路开关元件,利用串联并联相结合的Marx发生器结构,设计一种应用于长磁透镜的大电流脉冲发生器.利用晶闸管电流驱动特性,将门极通过稳流电感及限流电阻接地构成自触发结构.模拟了电路输出及各级晶闸管自触发波形,在负载电阻为500 mΩ、负载电感为1.14 mH时,输出电流幅值为-1.1 kA、宽度为 2.68 ms的脉冲.将该电流脉冲用于激励长磁透镜,获得持续时间为1.2 ms、强度高于0.6 T的磁场.研究充电电压、储能电容及电路并联级数等对脉冲电流幅值和宽度的影响,当充电电压增大时,脉冲电流变大,宽度不变;当储能电容值增大、并联级数增大时,脉冲电流幅值变大,宽度变宽.
Abstract:
We use a thyristor with a charging direct current (DC) power of 600 V as the circuit switching element and a Marx generator structure combined in series and parallel to design a high current pulse generator for long magnetic lens. According to the current driving characteristic of thyristors, the gate electrode is grounded through the current stabilizing inductance and current limiting resistance to form a self-triggering structure. The circuit output and the self-triggering waveform of thyristors at all levels are simulated. Under the load resistance of 500 mΩ and load inductance of 1.14 mH, a pulse current with amplitude of -1.1 kA and pulse width of 2.68 ms is obtained. The current pulse is used to excite a long magnetic lens, and a magnetic field with a duration of 1.2 ms and an intensity higher than 0.6 T is obtained. The influence of parameters such as charging voltage, energy storage capacitor, and the number of parallel stages of the circuit on the amplitude and width of the pulse current is studied. When the charging voltage increases, the pulse current becomes larger and the width remains unchanged. When the value of the energy storage capacitor and the number of parallel stages increase, the amplitude of the pulse current becomes larger and the pulse width becomes wider.

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备注/Memo

备注/Memo:
Received:2021-01-04;Accepted:2021-06-12;Online(CNKI):2021-08-18
Foundation:National Natural Science Foundation of China (11775147); Natural Science Foundation of Guangdong Province (2019A1515011474, 2019A1515110130); Shenzhen Basic Research Foundation (JCYJ20200109105201936, JCYJ20190808115605501, JCYJ20180305125443569)
Corresponding author:Professor LIU Jinyuan.E-mail: ljy@szu.edu.cn
Citation:DENG Pokun, CAI Houzhi, LONG Jinghua,et al.Design of self-triggering parallel Marx generator with thyristor[J]. Journal of Shenzhen University Science and Engineering, 2021, 38(5): 459-467.(in Chinese)
基金项目:国家自然科学基金资助项目(11775147);广东省自然科学基金资助项目(2019A1515011474,2019A1515110130);深圳市基础研究计划资助项目(JCYJ20200109105201936,JCYJ20190808115605501, JCYJ20180305125443569)
作者简介:邓珀昆(1996—),深圳大学硕士研究生.研究方向:超快诊断技术.E-mail:1051693158@qq.com
引文:邓珀昆,蔡厚智,龙井华,等.晶闸管自触发并联Marx发生器设计[J]. 深圳大学学报理工版,2021,38(5):459-467.
更新日期/Last Update: 2021-09-30