脉冲形成线放电过程中Tesla变压器锥形绕组电压分布特性
Voltage distribution in tapered winding of Tesla-transformer during discharge process of PFL
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摘要: 介绍了Tesla变压器与脉冲形成线一体化结构的工作原理，实验研究了形成线放电过程中形成的冲击电压波在Tesla变压器锥形次级绕组中的分布特性；给出了输入电压脉宽分别为1 μs，500 ns和100 ns时，锥形绕组中的对地电压和匝间电压分布规律；采用首端并绕、末端并绕和在首端加入屏蔽环三种措施优化绕组结构。结果表明：形成线放电过程中，变压器锥形次级绕组不会明显影响形成线中的电场分布，绕组的对地电压呈线性分布，匝间电压曲线起伏剧烈，首端电压梯度最大；三种优化措施都能抑制电压振荡，首端并绕对降低绕组首端电压梯度最为有效，末端并绕对降低绕组末端电压梯度最有效。Abstract: The operation principle of integral construction of Tesla transformer and PFL was investigated in Tesla-transformer-type accelerator. Experiment was carried out on Tesla transformer’s secondary winding to study the impulse voltage distribution while PFL was discharging. The regularities of turn-ground voltage distribution and interturn voltage distribution were summarized. Voltage distribution within PFL was calculated and it was compared with the experimental result. Structural winding of parallel coils in the head, parallel coils in the end and shading ring were used to improve voltage distribution and that was testified by experiment. The results indicate that taper winding doesn’t effect electric field within PFL, the turn-ground voltage appears linearly, the interturn voltage fluctu
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Key words:
- pulse forming line /
- tesla transformer /
- winding /
- turn-ground voltage /
- interturn voltage /
- repetitive frequency
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