摘要:
介绍了一种基于电触发技术的重复频率脉冲驱动源,其突破了双电容结构脉冲成形、紧凑型结构高压产生、大电流条件下重复频率稳定运行等关键技术,采用电路结构最简单的Marx电压叠加技术,解决了Marx在重复频率运行中的技术难点。脉冲功率驱动源设计输出功率20 GW、脉冲宽度180 ns、重复频率1~50 Hz,输出功率和重复频率在一定范围内可调。研制的脉冲功率驱动源体积仅2.5 m3,重量低至2.2 t,脉冲形成单元储能密度高达23 kJm-3,驱动源单次工作状态下输出功率约20 GW；在重复频率30 Hz工作状态下,输出功率16 GW、连续运行时间10 s、系统抖动约6 ns,系统运行稳定可靠。
Abstract:
Development of a 20 GW compact repetitive Marx generator using voltage pulse trigger is summarized in this paper. Some new methods and structure models are firstly put forward in this device. Key techniques such as rectangular pulse forming, high voltage, repetition rate, long time stable operation are realized. The technical problems about repetitive and stable operation of high energy Marx generator are solved. The output power of the compact repetitive pulsed driver is aimed to exceed 20 GW, the pulse width is about 180 ns, the repetition rate is set from 1 Hz to 50 Hz. In addition, the output power and the repetition rate can be set in certain ranges. The volume of this generator is only 2.5 m3 and the weight is 2.2 t. The energy density of a pulse forming network model is 23 kJm-3. As an electron beam source, the output power of this generator is about 20 GW with singe pulse operation. The pulsed driver generator can operate stably at the output power of 16 GW, repetition rate of 30 Hz, the operating time of 10 s and the jitter of 6 ns.
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