用于中子发生器加速极电源的高频变压器设计  

Design of high-frequency transformer for accelerating power supply of neutron generator

作　　者：刘天赐 乔双[1] LIU Tian-ci;QIAO Shuang(School of Physics,Northeast Normal University,Changchun 130024,China)

机构地区：[1]东北师范大学物理学院,吉林长春130024

出　　处：《东北师大学报（自然科学版）》2021年第4期129-136,共8页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(11275046,11305034);国家重大科学仪器设备专项项目(2013YQ040861).

摘　　要：根据中子发生器加速极电源功率要求,通过AP(Area Product)法对加速极电源中的关键部件高频变压器进行设计.在推挽前级逆变电路中,增加去磁回路抑制变压器偏磁问题,采用分段分组绕制法减小分布电容.同时,测量和比较了不同频率下,变压器原、副边电压实验波形.结果表明:高频变压器的转换效率随频率升高而增大,当工作频率为20 kHz时,输出效率达到84%,满足了中子发生器加速极电源的要求.The low-power accelerating pole power supply required by the neutron generator can be hardly bought in the market.According to the requirement of low power,the high-frequency transformer,as the key component of the accelerating pole power supply,is designed through the AP(Area Product)method.In the push-pull front stage inverter circuit,the demagnetization circuit is adopted to suppress the magnetic bias problem of the transformer and the layer-by-layer winding method is used to reducing the distributed capacitance.The experimental waveforms of the primary and secondary voltages of the transformer under different frequencies are measured and compared.The testing results show that the conversion efficiency increases as the frequency increases.When the operating frequency is set to 20 kHz,the output efficiency reaches 84%,which meets the requirements of the neutron generator accelerating pole power supply.

关 键 词：高频变压器 中子发生器 AP法 效率 

分 类 号：TN919[电子电信—通信与信息系统]