6.6.3 Circuit example for the power unit with AIC/LCL lter and common mode lter
U V T1 T2
T1 T2
W
1)
U V W
PE
PE
U V W PE
-S7
-U6-U5
-U4
-U1
-U2
-K3
-F1
-F2
-K2
-Q1
-G1
U1.2
V1.2
W1.2
U1.3
V1.3
W1.3
+UZK -UZK
L1 L2 L3
L1 L2 L3 PE
+PA
-
++
--
L1
L2
L3
F-T1 F-T2
-S5
+
KTY
°C
-S6
°C
T1 T2 KTY+ KTY-
+
KTY
L N PE
-F3
N
Legend
Q1 Main switch U2 Commonmodelter
F1 Main fuses G1 Motor
F2 Pre-charging fuses 20A (slow) S5 / S6
Temperature detection NC contact and KTY84
sensor
2)
F3 Fan fuse S7 Motor temperature switch
K2 Pre-charging contactor U5 COMBIVERT F5-AIC
K3 Main contactor U6 Drive converter
U1 EMClter(integratedintoU4uptosize24) U4 LCLlter
Fan control => Programming manual
Figure 10: Circuit example for the power unit with AIC/LCL lter and common mode lter
1)
Output terminals U, V, W for size 26 and 29 => U2, V2, W2
2)
Design dependent on lter size. Attention, observe polarity !
45
CONNECTION OF THE COMBIVERT F5-AIC