In this paper, a self-driven zero-voltage-switching (ZVS) full-bridge converter* is proposed. The control strategy is similar to an asymmetrical control for each leg. Analysis shows that it can still achieve ZVS for the primary switches. Furthermore
软开关技术-移相全桥ZVS软开关电路分析.pdfpdf,软开关技术-移相全桥ZVS软开关电路分析.pdfg4
Vn
::
0
ti
器主要波形如左图所示
UsQ
IK
桥变换
Lu
s
在不同开关状态下的等效电路如下所示:
OvD
B
4k
L,
D
(a)to时刻
b)[e3,1]
+
R
)[t1,t21
图82各种开关模态的等然电([2,l
4
g
尺
R
(e)[E3,f]
(0)[r43]
R
(g)【ts,6
对于变换器各工作状态的描述如下:
1.开关模态0
在t0时刻,Q1和