反激式高频变压器的分析与设计  

Analysis and Design of Flyback High-frequency Transformer

作　　者：王牧之[1] 王君艳[1] 

机构地区：[1]上海交通大学,上海200240

出　　处：《现代电子技术》2011年第8期157-160,共4页Modern Electronics Technique

摘　　要：随着反激式高频链逆变器在小功率领域应用的不断扩大,为了研究出其核心部件:反激式高频变压器有效实用的设计方式。在此结合了Ap法及电流密度经验公式,对于变压器Ap值的确定方法进行了改进,通过设计实例,用详实、具体的步骤揭示了高额变压器设计、制作的复杂程序。最后,为了验证设计效果,设计实例中的实验品在250 VA反激式高频链逆变器中进行了测试使用,测试结果表明设计的变压器性能良好,设计方法清晰、明了。As the application of flyback high-frequency link inverter is increasingly expanded in the field of low power,it is necessary to work out how to efficiently design its core component,flyback high frequency transformer.In combination with the Ap method and empirical formula of the current density,the way to determine the Ap value of a transformer is improved.The complex procedures of the high frequency transformer design are revealed with detailed examples and specific steps.The designed prototype was tested in a 250 VA flyback high frequency link inverter to verify the design effect.The test results show that the transformer works well and the design method is feasible.

关 键 词：高频链 高频变压器 反激式 气隙 

分 类 号：TN919-34[电子电信—通信与信息系统] TM402[电子电信—信息与通信工程]