对称脉冲强磁场发生器的研制
Development of symmetrical pulsed high magnetic field generator
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摘要: 对称脉冲强磁场发生器是一台能够产生周期为10 μs左右的强磁场装置,由10 μF的脉冲电容作为储能系统，平板传输线、电缆和气体开关作为传输系统，单匝线圈作为负载。为了使两个对称布置的负载能同时工作，设计了一个能同时输出8路脉冲信号的同步触发系统，其时间分散性约为20 ns。在常温常压下，当储能电容和同步触发系统分别加压到28 kV和49 kV并且气体开关工作气压为80 kPa时，线圈中心最大磁感应强度约为18 T。Abstract: A symmetrical pulsed high magnetic field generator is equipped to generate high magnetic field of 18 T, and its field period is about 10 μs. The energy storage of the equipment depends on the pulsed capacitor. Its transmission system consists of a flat transmission line, cables and gas switches. The load is a single circular winding. For the two symmetrical loads to work at the same moment, a synchro trigger system is made, whose time dispersion is about 20 ns. When the working voltage of the generator and the synchro trigger system come up to 28 kV and 49 kV, respectively, and the air pressure of the gas switch reaches about 80 kPa, the highest intensity of magnetization in the center of the winding is 18 T.
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