Lenze 8200 Frequency inverters - Manual (Page 259)

Network of several drives
8200SHB0199 10-16
10.5 Decentral supply
The DC-bus is supplied via several controllers or supply units connected in parallel
to the mains.
10.5.1 Decentral supply for 820X
820X
U V W
PE L1 N -UG +UG
820X
U V W
PE L1 N -UG +UG
Z3
F1 F1* F1 F1*
Z1 Z1* Z1 Z1*
F4 F5 F4 F5
-UG +UG
K10
PE
L1
PE
N/L2
K10*
FIG 10-4 Block diagram: Decentral supply of several 820X controllers connected to a network
F1, F1* Fuses, see Accessories
F1*only for supply voltage 2AC / PE / 190 - 260 V
–0 %/ 45 - 65 Hz –0 %
K10, K10* Mains contactor
K10*only for supply voltage 2AC / PE / 190 - 260 V
–0 %/ 45 - 65 Hz –0 %
F4, F5 Fuses, DC level, see Accessories
Z1, Z1* Mains choke/mains filter, see Accessories
Z1*only for supply voltage 2AC / PE / 190 - 260 V
–0 %/ 45 - 65 Hz –0 %
Z3 Brake chopper/brake module, see Accessories
Stop!
For faultless network operation, the following conditions must be fulfilled in addition
to the conditions described in chapter 10.2:
-
In-phase connection on the mains side
-
With two-phase supply
- Cable and overload protection via second assigned mains fuse F1*
- Ensure current and power symmetry by providing a second mains
choke/mains filter Z1*.
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