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Realisation of the reconfigurable pulsed high magnetic field facility and its scientific application at Wuhan National Pulsed High Magnetic Field Centre
High Voltage ( IF 4.4 ) Pub Date : 2023-05-05 , DOI: 10.1049/hve2.12330
Jianfeng Xie 1, 2 , Shaozhe Zhang 1, 2 , Jiangtao Shi 1, 2 , Junfeng Wang 1 , Liang Li 1, 2 , Xiaotao Han 1, 2
Affiliation  

To generate arbitrary shape magnetic field waveforms for advanced scientific research, a reconfigurable pulsed high magnetic field facility (PHMFF) was developed at Wuhan National Pulsed High Magnetic Field Centre (WHMFC). First, the basic elements of PHMFF are introduced, and a ternary physical model composed of energy storage unit, magnet, transmission circuits and other auxiliary units is summarised to describe various magnetic field systems. Second, in order to realise the reconfiguration of magnetic field systems based on detailed elements, the control system with the ability of dynamic construction and control sequence reconfiguration is designed. On this basis, the PHMFF has been realised and various magnetic field systems are constructed to produce arbitrary shape magnetic field waveforms, such as half-sine, ultra-high, flat-top and repetitive field pulses, which not only enhances the capability and efficiency of PHMFF, but also makes more scientific research possible in pulsed magnetic fields. So far, a peak magnetic field of 94.8 T, a flat-top magnetic field of 64 T/10 ms and a repetitive magnetic field waveform of 20 T/60 Hz have been achieved, and some experiments and studies on the physical properties of materials have been carried out at WHMFC.

中文翻译:

武汉国家脉冲强磁场中心可重构脉冲强磁场装置的实现及其科学应用

为了生成用于高级科学研究的任意形状的磁场波形,武汉国家脉冲强磁场中心(WHMFC)开发了可重构脉冲强磁场装置(PHMFF)。首先介绍了PHMFF的基本要素,总结了由储能单元、磁体、传输电路和其他辅助单元组成的三元物理模型来描述各种磁场系统。其次,为了实现基于详细元件的磁场系统重构,设计了具有动态构建和控制序列重构能力的控制系统。在此基础上,实现了PHMFF,构建了各种磁场系统,可产生半正弦、超高、平顶、重复场脉冲等任意形状的磁场波形,不仅提高了能力和效率PHMFF 的诞生,同时也使得脉冲磁场领域的更多科学研究成为可能。目前已经实现了94.8 T的峰值磁场、64 T/10 ms的平顶磁场和20 T/60 Hz的重复磁场波形,并对材料的物理性能进行了一些实验和研究已在 WHMFC 进行。
更新日期:2023-05-05
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