Vacon NX Active Front End - Page 22

4
vacon • 20 Active Front End (AFE)
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
Figure 8. Vacon Active Front End Single Unit connections
11169.emf
U
U
V
V
W
W
L1
L2
L3
L1
L2
L3
L1 L2 L3
+LCL-U1
+AFE-U1
NXA
XXXXX
PE
AP
OF
B+ B-
-F2,1
-X1
-R -R
1
11
22
3
4
-X1
-K3
-V3
+
-
4 5 6
1 2 3
1 2 3
2 4 6
2 4 6
1 3 5
1 3 5
-Q3
4 5 6
4 5 6
1 2 3
1 2 3
PE
DC+
DC-
3
2
-K1
-F1,1
-Q1
-Q2
21
22
Double Insulated Double Insulated
Main Circuit