Axpert MKS-4000/KS-5000 Service manual
9
L
N
V
BUS
+
-
Q
1
Q
2
Q
3
Q
4
L1
L2
Figure 3.3 Full-bridge topology
3.4 Buck converter
The Buck circuit (Figure 3.3) is active only when the line charging the battery. When the battery is
discharging, S12 is ON, and S10 is OFF, D10 is reversed cut off, L15 is used as a filter inductor.
Figure 3.4 Buck topology
3.5 MPPT solar chager
It employed an interleave buck converter, comprise following functional blocks, as shown in figure as
below.
