Lenze i750 - DC-Bus with One Power Supply

DC-bus with one power supply
A supplier with AC mains c
onnecon feeds into the DC-bus connecon consisng of several
inverters.
A brake resistor can be connected to the supplier's brake chopper.
...
G1
V1
Gx
M M M M
L1
L3
L2
...
AC
Z2
3
Z20
L1
L3
L2
AC
Z1
3
V1
Fig. 2: Basic circuit diagram: DC-bus c
onnecon with one supplier?
Z1 Mains lter
Z2 RFI lter
Z20 Mains choke
V1 Supplier
G1...
Gx
Inverter
Typical combinaons
Supplier Mains-side components DC output current
I
DC 100%
[A]
DC-supply power
P
DC 100%
[kW]
Mains lt
er RFI lter Mains choke 400 V 480 V
E70ACPSx0304x − E94AZRP0084 −
30
3.4 4.1
E70ACPSx0304x − E94AZRP0084 EZAELN3025B122 5.1 6.2
E70ACPSx0304x E94AZMP0084 − − 5.1 6.2
E70ACPSx0304x − E94AZRP0294 − 10.3 12.3
E70ACPSx0304x − E94AZRP0294 EZAELN3025B122 15.4 18.5
E70ACPSx0304x E94AZMP0294 − − 15.4 18.5
E70ACPSx0604x − E94AZRP0824 −
60
20.6 24.7
E70ACPSx0604x − E94AZRP0824 EZAELN3050B591 30.9 37.0
E70ACPSx0604x E94AZMP0494 − − 30.9 37.0
Informaon on pr
oject planning
DC-bus connecon
DC-bus with one power supply
36