Danfoss iC7 Series

Design Guide | iC7 Series Liquid-cooled System Modules
10.3.8 Pre-charging Circuit, AR12L
-CA2
-RA1
L1
L2 L3
L1'
L2' L3'
-RA2
L1
L2 L3
L1'
L2' L3'
DC-
DC+
L3L2
L1
-TB3.1
DC-DC+
L3L2
L1
-TB3.2
1
2
3
4
5
6
-FC1
PE
1
2
3
4
5
6
-QB1
3
4
5
6
1
2
-QA3
1
2
3
4
5
6
-QB6
L1
L2
L3
PE
3
4
5
6
1
2
-QA6
+ -
-TB6
3
-CA6
1
-PE
1
2
-FC2.1
3
4
1
2
-FC2.2
3
4
L1
L2 L3
-XD6
1
-XD6
2
3
4
-RA6.1 -RA6.2
DC+
DC-
L1
L2
L3
e30bg432.11
A
B
A
A Double-insulated cable B Pre-charging circuit
Figure 165: Pre-charging Circuit Diagram, AR12L
Danfoss Drives Oy © 2024.03 AJ475942178716en-000101 / 172K2848A | 163