70kVA高频大功率LLC变压器简易工程设计

70kVA HIGH frequency and high power LLC transformer engineering design

随着国内经济的快速发展,对能源的需求与环境保护成为当下的一种挑战。在电力新能源开发与消耗过程中电力电子得到了长足的发展,节能、高效成为电力电子系统一直追求的目标,其中电源高频化已是行业目前发展的一个方向,而这里面核心部件之一就是大功率高频变压器。本文对一款高频变压器整个设计过程进行梳理,就性能参数设计、材料选择、仿真、样品验证做分析与介绍,希望能进一步提高高频大功率变压器的设计质量。

With the rapid development of domestic economy,the demand for energy and environmental protection has become a challenge.In the process of power new energy development and consumption,power electronics has made great progress.Energy saving and high efficiency have been the goals pursued by power electronics system.Among them,high-frequency power supply has been a development direction of the industry at present,and one of the core components is high-power high-frequency transformer.In this paper,the whole design process of a high-frequency transformer is sorted out,and performance parameter design,material selection,simulation and sample verification are analyzed and introduced,hoping to further improve the design quality of high-frequency and high-power transformer.