Design and experimental research of 100 kV nanosecond pulse generator
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摘要: GW级Tesla型脉冲源在触发开关技术研究中作为触发脉冲源使用，抖动较大，触发开关工作不稳定，需要为其研制一台触发器以解决这一问题。结合其他使用需求，设计了一台百kV级纳秒脉冲源，该脉冲源采用Tesla变压器结合单筒脉冲形成线结构，进行了Tesla变压器结构、Tesla变压器初次级参数、Tesla开路磁芯与初级电路设计，调试结果为：最高输出电压100 kV，峰值功率250 MW，重复频率1~100 Hz，输出脉冲宽度约4 ns，前沿约1 ns。该脉冲源作为触发器使用，可以将GW级Tesla型纳秒脉冲源抖动由500 ns降低至150 ns，满足触发开关研究需求，还可用于产生超宽谱短脉冲进行辐射。Abstract: A 100 kV nanosecond pulse generator has been designed and tested, which is based on Tesla transformer and single-cylinder pulse forming line. The design of main parameters of the pulse generator is described. A high voltage nanosecond pulse generator is achieved with the highest output voltage of 100 kV, peak power up to 250 MW, pulse duration of 4 ns, rise time of 1 ns, and repetition rates ranging from 1 to 100 Hz. The pulse generator can be used as a trigger source to reduce the jitter of larger nanosecond pulse generator. Acting as the trigger source, the pulse generator reduces the jitter of GW-level Tesla pulser from 500 to 150 ns.
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Key words:
- nanosecond pulse source /
- tesla transformer /
- triggered switch /
- jitter
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