英语语法分析

Comparison of three different flyback solutions has been made.

比较现有的三种反激变换器。

This study presents a new single - stage single - switch PFC flyback DC converter.

文章研究了一种新型单级单开关PF C反激变换器。

In our case the transistor turns off and the transformer operates in flyback mode.

在我们的情况下，晶体管的关闭和变压器模式工作在反激。