脉冲功率电源模块时序放电控制系统设计

刘坤; 马进; 张东东; 高迎慧; 孙鹞鸿; 严萍

doi:10.11884/HPLPB201830.170340

脉冲功率电源模块时序放电控制系统设计

doi: 10.11884/HPLPB201830.170340

刘坤^{1, 2,},
马进^{1, 2},
张东东^{1, 3, ,},
高迎慧^{1, 3},
孙鹞鸿^{1, 2, 3},
严萍^{1, 2, 3}

1.
中国科学院电工研究所, 北京 100190
2.
中国科学院大学, 北京 100046
3.
中国科学院电力电子与电力传动重点实验室, 北京 100190

基金项目:

国家自然科学基金项目 51577176

国家自然科学基金项目 51577178

详细信息

作者简介:
刘坤(1983－), 男，博士，从事脉冲功率技术及特种电源技术研究；liukun@mail.iee.ac.cn

通讯作者:
张东东(1980－), 男，博士，从事脉冲功率技术研究；zhdd@mail.iee.ac.cn

中图分类号: O521.3
计量
- 文章访问数: 945
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- 被引次数: 0
出版历程
- 收稿日期: 2017-08-30
- 修回日期: 2017-10-23
- 刊出日期: 2018-03-15

Design of time sequence discharging control system for pulse power supply modules

Liu Kun^{1, 2
,},
Ma Jin^{1, 2},
Zhang Dongdong^{1, 3
, ,},
Gao Yinghui^{1, 3},
Sun Yaohong^{1, 2, 3},
Yan Ping^{1, 2, 3}

1.
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
2.
University of Chinese Academy of Sciences, Beijing 100046, China
3.
Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing 100190, China

摘要

摘要: 设计了一套用于控制30个脉冲功率电源模块按时序进行放电的控制系统。该控制系统使用高速数字信号处理器作为主要控制芯片，采用高速光电转换器件及光纤作为触发信号传输系统，利用脉冲隔离变压器作为电源开关触发系统的主要隔离元件，在硬件方面实现了时序放电触发信号的高精度传输和高压隔离。同时，该控制系统使用优化的软件算法对数字信号处理器进行软件编程，实现了放电时序计算的优化控制，而且利用简易的计算机语言对上位机软件进行编写，实现对放电时序进行精确的设置，从而保证了时序放电的精确度。将该控制系统用于实际的30路脉冲功率电源放电装置的实验中，得到了良好的放电电流实验波形。根据时序触发波形及放电波形进行分析，该时序放电控制系统每路电源放电时间最小间隔可达到20 μs，电流波形反映的触发时刻与放电时序设置时刻的延时误差分布在10~15 μs，整个控制系统的性能符合设计的要求。
- 脉冲功率电源模块 /
- 时序放电 /
- 控制系统 /
- 软硬件设计
Abstract: With the development of pulse power technology, the pulse power supply modules (PPSMs) are widely used in areas of scientific research, medical treatment, industry, military, and geological exploration. In these areas, more and more energy is needed and the number of PPSMs is increasing rapidly, and accurate pulse discharging waveforms are required. How to control the numerous PPSMs to discharge in precise time sequence effectively to obtain the waveforms becomes one of the key problems in the pulse power technology.According to the requirements of a pulse discharging velocity source, a time sequence discharging control system is designed, which can control 30 PPSMs to discharge in a precise time sequence. In this control system, the digital signal processor (DSP) is used as the main control chip and the high speed photoelectric converters and optical fibers are used as the trigger signals transmission system. The time sequence can be set by using the upper computer software and the accuracy of the trigger pulses can reach microsecond level. This control system has been used in the actual experiments of the acceleration source and the results prove that the control system is effective.
- pulse power supply module /
- time sequence discharging /
- control system /
- design of hardware and software

HTML全文

图 1 PFN构成及电流叠加示意图

Figure 1. Composition of PFN and current superposition schematic diagram

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图 2 PFN控制系统框图

Figure 2. Block diagram of PFN control system

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图 3 时序放电控制系统主要硬件电路图

Figure 3. Main hardware circuit diagrams of sequential discharge control system

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图 4 驱动电路实物及实验波形

Figure 4. Drive board circuit and experiment waveform

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图 5 上位机控制程序的界面和操作步骤

Figure 5. Upper computer interface and operating steps

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图 6 下位机主控芯片部分程序流程图

Figure 6. Flow chart of main control chip program of lower computer

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图 7 控制系统主控芯片产生的脉冲信号

Figure 7. Pulse signal wave form sent out by main control chip of control system

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图 8 时序放电实验电流波形图

Figure 8. Current wave form of time sequence discharge experiment

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表 1 实验结果

Table 1. Experiment results

serial number	set value of time sequence/μs	measurement value of time sequence/μs	deviation /μs
A	360	370	10
B	700	712	12
C	900	910	10
D	1200	1212	12
E	1560	1572	12
F	1900	1914	14

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