6.6.2 Circuit example for the power unit with AIC/LCL lter
U V T1 T2
T1 T2
W
1)
U V W
PE
PE
PE
U V W PE
-S7
-U6-U5
-U4
-U1
-K3
-F1
-F3
-F2
-K2
-Q1
-G1
U1.2 V1.2 W1.2
L1 L2 L3
L1
N
L2 L3
PE
+
-
+
-
L1
L2
L3
F-T1 F-T2
-S5
+
KTY
°C
L N PE
-S6
°C
T1 T2 KTY+ KTY-
+
KTY
Legend
Q1 Main switch S5 / S6
Temperature detection NC contact and KTY84
sensor
2)
F1 Main fuses S7 Motor temperature switch
F2 Pre-charging fuses 20A (slow) U5 COMBIVERT F5-AIC
F3 Fuseforlterfan U6 Drive converter
K2 Pre-charging contactor G1 Motor
K3 Main contactor U4 LCLlter
U1 EMClter(integratedintoU4uptosize24) Fan control => Programming manual
Figure 9: Circuit example for the power unit with AIC/LCL lter
1)
Output terminals U, V, W for size 26 and 29 => U2, V2, W2
2)
Design dependent on lter size.Attention, observe polarity !
44
CONNECTION OF THE COMBIVERT F5-AIC