Solar pump application
vacon • 125
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
10
10.5
Parallel diode selection
When VACON
®
100 X is used in the Solar Pump application, a diode must be connected between
DC+ and DC- to protect the inverter against reverse voltage. See tables below for diode specifica-
tion.
Table 54. Diode specification, Mains voltage 3AC 208-240V, 50/60 Hz, up to 400V in VDC
AC drive
Diode specifications
Enclosure
size
AC drive type
min. IFav [A]
Min. Voltage rating
MM4
0007
15
1200V
0008
18
0011
25
0012
28
MM5
0018
40
0024
54
0031
70
MM6
0048
110
0062
140
Table 55. Diode specification, Mains voltage 3AC 380-480/500V, 50/60 Hz, up to 800V in VDC
AC drive
Diode specifications
Enclosure
size
AC drive type
min. IFav [A]
Min. Voltage rating
MM4
0003
8
1200 V
0004
12
0005
12
0008
18
0009
22
0012
28
MM5
0016
36
0023
50
0031
70
MM6
0038
85
0046
100
0061
140
0072
160