高电磁兼容性大功率恒流源设计与实现

赵娟; 李波; 李玺钦; 曹宁翔; 黄斌; 于治国; 张信; 王兰; 李洪涛

doi:10.11884/HPLPB201830.170359

高电磁兼容性大功率恒流源设计与实现

doi: 10.11884/HPLPB201830.170359

中国工程物理研究院流体物理研究所, 脉冲功率科学技术重点实验室, 四川绵阳 621900

基金项目:

国防基础科研项目 B1520132002

详细信息

作者简介:
赵娟(1968—)，女，高级工程师，从事电源技术研究；zj680525@21cn.com

通讯作者:
李洪涛(1968—)，男，研究员，从事脉冲功率技术研究；lihongtao-ifp@caep.cn

中图分类号: TN86
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出版历程
- 收稿日期: 2017-09-06
- 修回日期: 2017-11-11
- 刊出日期: 2018-02-15

Design and actualization of high electromagnetic compatibility high power constant-current supply

Key Laboratory of Pulsed Power, Institute of Fluid Physics, CAEP, P.O. Box 919-107, Mianyang 621900, China

摘要

摘要: “神龙-Ⅱ”直线感应加速器运行时在其周围环境中产生较强的电磁干扰，严重影响恒流源等重要设备的运行。系统地分析了电磁干扰信号特征，在此基础上，采用全数字全光纤控制、电流/电压双闭环反馈控制等高可靠性电路设计，并综合应用共扼串扰脉冲抑制、分离地线及光电隔离等抗干扰措施，研制成功可在强电磁干扰环境下稳定运行的HL90型低纹波系数大电流程控恒流源，有力地保障了“神龙-Ⅱ”装置的正常运行。
- 恒流源 /
- 大功率 /
- 电磁干扰 /
- 可靠性 /
- 稳定性
Abstract: High intensity electromagnetic interference will be induced during the operation of the " Dragon-Ⅱ" linear induction accelerator, which will interfere the operation of the key equipments such as the constant current supply. The characteristics of the interference signal was analyzed throughly. Then the high reliability circuit for the constant-current supply was designed based on the comprehensive application of several techniques, such as the digital fiber communication system and the dual loops current and voltage feedback control system. Combined with the application of the common mode inductor, the isolation ground and the optical-electronically isolation module, the electromagnetic compatibility of the HL90 constant-current supply was improved greatly. The low ripple high current HL90 worked well in the high intensity interference circumstance. The coefficient of the ripple was less than 0.11%, the drift was less than 0.12% and the malfunction percentage was less than 0.01%. This is helpful for the success of the "Dragon-Ⅱ" LIA.
- constant current supply /
- high power /
- electromagnetic interference /
- reliability /
- stability

HTML全文

图 1 恒流源系统框图

Figure 1. Schematic of constant-current supply

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图 2 恒流源控制系统框图

Figure 2. Schematic of controlling system in constant-current supply

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图 3 共模抑制线圈效果评估实验原理及波形图

Figure 3. Schematic and waveform of test of common mode inductor

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图 4 共模抑制线圈结构示意图

Figure 4. Scheme of common mode inductor

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图 5 由公共阻抗和地线环流引起的地电位浮动

Figure 5. Fluctuation of GND potential induced by common impedance and circumfluent current

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图 6 接口控制板结构框图

Figure 6. Schematic of interface controller

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图 7 大功率恒流源输出共模抑制线圈两端电压波形

Figure 7. Waveform of common mode inductor input and output voltage signal

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参考文献(10)

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