一种用于弧流电源的新型打坑电路设计

周细文; 刘湘; 阳璞琼; 宣伟民

doi:10.11884/HPLPB201931.180326

一种用于弧流电源的新型打坑电路设计

doi: 10.11884/HPLPB201931.180326

周细文^{1, 2,},
刘湘¹,
阳璞琼³,
宣伟民³

1.
广东福德电子有限公司，广东东莞 523933
2.
江苏同芯电气科技有限公司，南京 210000
3.
西南核物理研究院，成都 610000

基金项目:

湖南省教育厅科技计划项目 16C1369

详细信息

作者简介:
周细文(1971—)，男，高级工程师，主要从事大功率电力电子变流装置的研制；zhouxiwen@jsuce.com

中图分类号: TL631.24;TM46;TN713.8
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- 文章访问数: 995
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- 被引次数: 0
出版历程
- 收稿日期: 2018-11-15
- 修回日期: 2019-02-11
- 刊出日期: 2019-05-15

Design of new type of pit circuit for arc current power supply

1.
Guangdong Fullde Electronics Co, Ltd, Dongguan 523933, China
2.
Jiangsu United Core Electrical Technology Co, Ltd, Nanjing 210000, China
3.
Southwestern Institute of Physics, Chengdu 610000, China

摘要

摘要: 作为中性束注入加热系统的核心设备，弧流电源的性能至关重要。打坑电路是弧流电源的重要组成部分，其动态响应特性及稳定性决定了弧流电源的性能。提出了一种用于弧流电源的新型打坑电路解决方案，能在150 μs内快速实现大电流的跌落和恢复，并且跌落和恢复过程中基本无过冲，用于转移的电子开关(比如IGBT)在开关过程中过电压小，可靠性高，吸收电路容易实现。该方案可以很好地替代传统的弧流电源打坑电路。
- 弧流电源 /
- 打坑电路 /
- 动态响应 /
- 稳定性
Abstract: As the core equipment of the neutral beam injection heating system, the performance of arc power supply is very important. With the development and popularization of super capacitor technology, arc current power supply based on super capacitor has been widely used in many large-scale scientific devices. Pit circuit is an important component of arc current power supply. Its dynamic response characteristics and stability determine the performance of arc current power supply. A new current transfer circuit for arc current power supply is proposed in this paper, which can quickly fall and recover large current in 100 μs, and there is no overshoot in the fall and recovery process. The electronic switch for transfer (such as IGBT) has small overvoltage, high reliability and easy absorption circuit in the process of switching. The scheme is a good alternative to the traditional current pit circuit.
- arc current power supply /
- pit circuit /
- dynamic response /
- stability

HTML全文

图 1 弧流电源系统组成图

Figure 1. Schematic diagram of arc current power supply based on resistance type pit circuit

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图 2 电阻式打坑电路原理图

Figure 2. Schematic diagram of pit circuit based on resistances

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图 3 带打坑特性的弧流电源输出电流波形

Figure 3. Waveform of current of power supply with pit circuit

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图 4 电阻式打坑电路IGBT关断电压波形

Figure 4. IGBT voltage waveform in resistance pit circuit

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图 5 基于新型打坑电路的弧流电源原理图

Figure 5. Schematic diagram of arc current power supply based on a new type of pit circuit

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图 6 打坑电路Matlab仿真模型

Figure 6. Matlab simulation model of pit circuit

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图 7 一次打坑时的输出电流电压波形

Figure 7. Output current and voltage waveform at single pit

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图 8 电流达到稳定过程图

Figure 8. Process of stabilizing current

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图 9 设定工作电流为1500 A时的电流纹波

Figure 9. Current ripple when the working current is 1500 A

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图 10 打坑下降到450 A的电流波形图

Figure 10. Current falling edge of pit circuit

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图 11 打坑上升到1500 A时的电流波形

Figure 11. Current rising edge of pit circuit

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图 12 输出电流到达稳态的过程

Figure 12. Process of reaching the steady state of the output current

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图 13 输出电流超调量

Figure 13. Overshoot of output current

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图 14 输出电流纹波

Figure 14. Ripple of output current

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参考文献(10)

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