| 基于双锥形绕组铁芯变压器的三谐振脉冲变压器 |
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| 引用本文： | 李名加,周林,章法强,梁川,王文川.基于双锥形绕组铁芯变压器的三谐振脉冲变压器[J].强激光与粒子束,2016,28(1):015002. |
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| 作者姓名： | 李名加 周林 章法强 梁川 王文川 |
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| 作者单位： | 1.中国工程物理研究院 核物理与化学研究所, 四川 绵阳 621 900 |
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| 摘 要： | 研制了一台基于双锥形绕组铁芯变压器的三谐振脉冲变压器，具有结构紧凑、小巧轻便等优点。铁芯变压器磁芯由0.08 mm的硅钢薄带绕成半月形闭合结构，放置于铝制紧固件中；初次级绕组采用双绕组并联结构，两个锥形高压绕组对称绕制在刻槽的有机玻璃骨架上并将高压从圆筒中轴线引出，改善了绕组电场分布的不均匀性并实现了高压的同轴输出。铁芯变压器、LC调谐回路和27 pF脉冲形成线组成三谐振回路，其中谐振电容为同轴结构电容，谐振电感由直径0.08 mm的漆包线不均匀绕制于刻槽的有机玻璃绝缘体上。实验结果表明，该三谐振脉冲变压器最大工作电压大于800 kV，充电时间约为650 ns，同时也验证了将双谐振铁芯脉冲变压器改造成三谐振脉冲变压器具有可行性。
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| 关 键 词： | 三谐振脉冲变压器 双锥形绕组 铁芯变压器 |
| 收稿时间： | 2015-09-04 |
Triple resonance pulse transformer based on taper dual winding magnetic core transformer |
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| Affiliation: | 1.Institute of Nuclear Physics and Chemistry,CAEP,Mianyang 621900,China |
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| Abstract: | A triple resonance pulse transformer is developed based on a taper dual-winding magnetic core transformer, it has the advantages of is compact structure, small size and so on. The magnetic core of the transformer is made of 0.08 mm thick silicon steel strip with semilunar structure, and fastened in an aluminum cylinder. The primary and secondary windings consist of double parallel coils. Two taper high voltage windings are symmetrically wound in the groove of the organic glass skeleton and two output ends are welded together and drawn from axis of the cylinder. This structure may improve electric field distribution of the high voltage winding and achieve a coaxial output. The triple resonance circuit is composed of the core transformer, LC tuning circuit and a pulse forming line (27 pF). The tuning capacitor is the structure capacitance of a short coaxial transmission line, and the tuning inductor is wound in the non-uniform grooves of the organic glass skeleton with 0.08 mm diameter enameled wire. The experimental results indicate that the peak output voltage of the triple resonance pulse transformer is about 800 kV and the charging time is about 650 ns.It is demonstrated that a triple resonance pulse transformer can be developed based on a magnetic core pulse transformer. |
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