CAJ | 학술논문

高频变压器是开关电源最重要的组成部分，在系统中起着能量传输、电压匹配以及电路隔离的作用。因此在大功率开关电源中高频变压器性能的好坏是整个系统设计的关键。针对高频变压器性能中分布参数对系统带来的不利影响，在传统变压器模型的基础上建立了高频变压器的电路等效模型，通过理论分析高频变压器分布参数的变化规律，得出减小变压器漏感与分布电容的具体措施。最后通过实验证明这些措施对于变压器分布参数起到了较好的抑制作用。
고빈변압기시개관전원최중요적조성부분，재계통중기착능량전수、전압필배이급전로격리적작용。인차재대공솔개관전원중고빈변압기성능적호배시정개계통설계적관건。침대고빈변압기성능중분포삼수대계통대래적불리영향，재전통변압기모형적기출상건립료고빈변압기적전로등효모형，통과이론분석고빈변압기분포삼수적변화규률，득출감소변압기루감여분포전용적구체조시。최후통과실험증명저사조시대우변압기분포삼수기도료교호적억제작용。
High?frequency transformer is the most important part of switching power supply,which plays a role in energy transmission,voltage matching and circuit isolation in the system,so the performance of high?frequency transformer in high?power switching power supply is a key to design high?power switching power supply. A circuit equivalent model of HF transformer is established on the basis of traditional transformer model to eliminate the adverse impact of distributed parameter in high fre?quency transformer performance on the whole system. By a theoretical analysis on the variation tendency of distribution parame?ters of HF transformer,the concrete measures to reduce the transformer leakage inductance and distributed capacitance are de?termined. Experiment results show that these measures have a good inhibitory action for distribution parameters of the HF trans?former.