大功率高能脉冲激光电源设计

李贺龙; 徐健; 杨之青; 宋家豪; 吴周宇; 汤义辉; 赵爽; 丁立健

doi:10.11884/HPLPB202436.240045

大功率高能脉冲激光电源设计

doi: 10.11884/HPLPB202436.240045

李贺龙^{1, 2,},
徐健¹,
杨之青^{1, 2, ,},
宋家豪²,
吴周宇¹,
汤义辉¹,
赵爽^{1, 2},
丁立健^{1, 2}

1.
电能高效高质转化全国重点实验室（合肥工业大学），合肥 230009
2.
合肥综合性国家科学中心能源研究院（安徽省能源实验室），合肥 230031

基金项目: 合肥综合性国家科学中心能源研究院科研项目(24JYDL01)

详细信息

作者简介:
李贺龙，helong.li@hfut.edu.cn

通讯作者:
杨之青，zhiqing.yang@hfut.edu.cn。

中图分类号: TM51
计量
- 文章访问数: 52
- HTML全文浏览量: 24
- PDF下载量: 8
- 被引次数: 0
出版历程
- 收稿日期: 2024-01-31
- 修回日期: 2024-03-24
- 录用日期: 2024-03-24
- 网络出版日期: 2024-03-29
- 刊出日期: 2024-04-28

Design of high-power repetitive pulse laser power supply

Li Helong^{1, 2
,},
Xu Jian¹,
Yang Zhiqing^{1, 2
, ,},
Song Jiahao²,
Wu Zhouyu¹,
Tang Yihui¹,
Zhao Shuang^{1, 2},
Ding Lijian^{1, 2}

1.
State Key Laboratory of High Efficiency and High Quality Electric Energy Conversion (Hefei University of Technology), Hefei 230009, China
2.
Hefei Comprehensive National Science Institute of Energy (Anhui Province Energy Laboratory), Hefei 230031, China

摘要

摘要: 根据YAG激光器对大功率高能量脉冲电源的应用需求，设计了一种大功率脉冲激光电源，可实现高脉冲能量重复频率输出及充电电压灵活调控。前级充电网络采用串联LC谐振变换器，后级脉冲形成网络选择晶闸管触发LC放电电路。最终，研制了1台7 kW实验样机，最大重复频率10 Hz，最高充电电压2.2 kV，可实现单脉冲最高700 J电能输出，满足大功率高能脉冲输出的应用需求，实验测试结果验证了设计的可行性。
- YAG激光器 /
- 串联LC谐振变换器 /
- 脉冲激光电源 /
- 高脉冲能量输出
Abstract: This paper proposes a design method for a high-power pulsed power supply for YAG laser systems, which is capable of realizing high-energy repetitive pulse with flexible voltage regulations. The power supply consists of an LC resonant converter as the charging network and a thyristor-based pulse forming network. Based on the proposed design approach, a 7 kW prototype is developed, which is able to output maximum voltage of 2.2 kV with a repetitive frequency ranged from 1 to 10 Hz. Moreover, the developed power supply is able to release up to 700 J of the energy on the xenon lamp.
- YAG laser /
- series LC resonant converter /
- pulsed laser power supply /
- high pulse energy output

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图 1 电源组成图

Figure 1. Composition diagram of the developed power supply

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图 2 串联LC谐振变换器四种工作模态图

Figure 2. Four working states of the convertor series LC resonant

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图 3 所测试氙灯在不同条件下的等效电阻

Figure 3. Equivalent resistance of the xenon lamp under various conditions

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图 4 设计的脉冲激光电源测试平台

Figure 4. Developed laser pulse power supply test bench

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图 5 实验波形图

Figure 5. Experimental waveforms

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图 6 激光器输出能量

Figure 6. Laser output energy

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表 1 样机参数

Table 1. Prototype parameters

U_in/V C₁/μF C_r/μF L_r/μH n C₂/μF L/μH f_r/kHz f/_skHz f/Hz P_max/kW

220 (50 Hz) 420 0.44 28 1∶5.2 300 80 45 22 10 7.26

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表 2 输出能量实验结果

Table 2. Output energy experimental results

voltage/kV single output
energy/J max output
fluctuation/%

1.6 6.63 0.60

1.8 8.19 0.49

2.0 9.47 0.42

2.2 10.16 0.39

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参考文献(15)

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