MAGNETICALLY insulated inductive voltage adders (MIVA) are widely used in applications of X-rays radiography and effect simulations. At present in almost all MIVA cells, the transformer oil is chosen as dielectric med...
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MAGNETICALLY insulated inductive voltage adders (MIVA) are widely used in applications of X-rays radiography and effect simulations. At present in almost all MIVA cells, the transformer oil is chosen as dielectric mediums. It is worth investigating whether the oil could be replaced by another medium with higher permittivity and electric field strength. One suitable substitute may be glycerin. If the gly erin could be applied in MIVA cells, it would greatly reduce the size of azimuthal lines. Consequently, the cells would be fabricated more compact.
磁绝缘感应电压叠加器(Magnetically-insulated Induction Voltage Adder,MIVA)作为高功率脉冲驱动源在闪光X射线照相、辐射环境模拟等领域具有重要应用.MIVA特定馈入方式决定了注入电流空间非均匀分布,这将对感应腔特性(等效电感、电/...
磁绝缘感应电压叠加器(Magnetically-insulated Induction Voltage Adder,MIVA)作为高功率脉冲驱动源在闪光X射线照相、辐射环境模拟等领域具有重要应用.MIVA特定馈入方式决定了注入电流空间非均匀分布,这将对感应腔特性(等效电感、电/磁场分布、输出参数等)和MIVA次级磁绝缘特性(电子鞘层、流阻抗、电流损失等)产生影响.本文建立了MIVA感应腔瞬态全电磁模型和注入电流空间分布计算方法,提出了电流均匀性表征方法,获得了典型馈入结构下感应腔初级注入电流空间分布和次级磁场强度的分布位型.理论分析结合电磁模拟,获得了注入电流脉宽、感应腔初级绝缘介质、注入脉冲路数及时间抖动对注入电流空间分布特性的影响规律.开展了单级感应腔注入电流空间分布实验,验证了理论分析和电磁计算的正确性.
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