300 kV high-voltage pulse generator
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摘要: 介绍了脉冲X光机驱动源300 kV高压脉冲发生器的研制，高压脉冲发生器选择双边充电回路的Marx发生器结构，采用紫铜火花隙开关和隔离电感为发生器的结构元件，低感陶瓷电容为储能元件，这种结构不仅减小了回路电感，同时实现了脉冲发生器的小型化与模块化。所设计的高压脉冲发生器在75 负载上获得脉冲半高宽小于等于100 ns、幅值200～300 kV可调的输出电压。高压脉冲发生器内可直接安装X光管也可通过高压电缆与X光管连接，很好地满足了X光机的需要，研制的高压脉冲发生器具有性能稳定、结构紧凑、使用方便等特点。Abstract: A 300 kV high voltage pulse generator designed according to the principle of bipolar charged Marx generator is introduced, which serves as the driving of X-ray system. Low jitter spark gap switches and low inductance ceramic capacitors are used in the pulse generator to shorten the risetime and pulse width of the output pulse. The generator can get a pulse with amplitude of 200 to 300 kV and pulse width less than 100 ns on the 75 resistance load. It features stable performance, compact structure, and is easy to operate.
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Key words:
- pulse width /
- low inductance capacitors /
- marx generator /
- jitter /
- switch /
- x-ray system
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