According to the design demand of DC power supply panel in engineering, this paper introduces the selection of rectification DC rectification power system with high-frequency switch.
针对工程中对直流电源屏的设计需要，简要介绍了高频开关整流电源直流系统的选择。
Deep switch mode power supply design knowledge, e. g. transformer design, topology selection.
较深的开关电源的设计知识，如变压器设计，拓扑选择。
Power supply voltage selection switch can be used as a supply voltage 110v and 220v.
电源的供电电压可使用转换开关选择110v和220v作为供电电压。
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