摘要
在采用以水介质形成线馈入直线变压器初级的技术路线来研制脉冲功率源时,馈入方式影响着变压器的参数及电磁波的传输。运用Maxwell等软件,从场均匀性的角度对不同馈入方式进行了模拟分析,结果显示:单侧馈入时,变压器初级线圈内的电流密度分布很不均匀,激磁电感比一般等效公式计算的结果大很多,但对耦合系数影响微小;四侧馈入能获得更大的场均匀性,但成本高,设备复杂;双侧馈入的方式能以较低的成本大幅提高场均匀性,为建议采用的馈入方式。
Feed modes affect the parameters of and wave propagation in the linear transformer,while a water dielectric pulse forming line is used to feed the primary coil of the transformer to develop a pulsed driver.With the help of Maxwell software,simulation research on different feed modes was done from a standpoint of field uniformity.Simulation results show that,the current density in the primary coil of a unilateral fed linear transformer distributes non-uniformly,the magnetizing inductance is much larger than ideal values calculated by equivalent formulas,and their ratio,namely,current density magnification coefficient has little influence on the coupling coefficient of the transformer.Tetrahedral feed produces more uniform field but with high cost and complexity.Thus bilateral feed is favorable,since it realizes a tradeoff between field uniformity and cost.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2010年第11期2769-2772,共4页
High Power Laser and Particle Beams
基金
国家高技术发展计划项目
关键词
直线变压器
电流密度
激磁电感
脉冲功率
linear transformer
current density
magnetizing inductance
pulsed power
