Lenze EVF9327

DC-bus operation
Decentralised supply (several supply terminals)
10
10.1

10.1-1
EDSVF9333V EN 3.0-06/2005
10.1 Decentralised supply (several supply terminals)
K10
K10
L2
N
PE
L1
L2
U V
W
L1 L2
L3
F1
9321-9333
9321-9333
PE +UG -UG
PE
JRB
+UG
-UG
9352
PE
RB2
RB1
Z1
X1 X2
Z4
K10
U V
W
M
3~
M
3~
PEPE
L1 L2
L3
PE +UG -UG
PE
Z2
F7
F8 F9 F10
S1
S2
28
A4
PE
28
A4
PE
K10K10
RFRRFR
F2
F3
F4
F5
F6
Z3
9300vec151
Fig. 10.1-1 Block diagram of a decentralised supply with brake chopper
F1 ... F10 Fuses
K10 Mains contactor
Z1, Z2 Mains filters
Z3 Brake resistor
Z4 Brake chopper
S1 Mains contactor on
S2 Mains contactor off
ƒ Design the components according to the requirements of the DC-bus
operation.
 Stop!
Set the DC-bus voltage thresholds of the controller (C0173) and
the brake chopper (see documentation of the brake chopper) to
thesamevalues.