INVT RBU100H

RBU100H operation manual 4 Installation guidelines
-15-
4.6.2 Parallel connection of RBU100H (No master and slave)
R
S
T
U
V
W
R
S
T
R
S
T
r
s
t
S1
S2
S3
S4
COM
24V
S1
S2
S3
S4
COM
24V
Y
COM
M
PE
CN9
AO
GND
ROB
ROA
ROC
Y
COM
CN9
AO
GND
ROB
ROA
ROC
PE
r
s
t
PE
(+) (-)
(+) (-)(-)(+)
PE
Power supply
Input filter
Input
reactor
VFD
Regenerative
reactor
It is recommended
to use fuse.
Regenerative
reactor
It is recommended
to use fuse.
RBU RBU
Figure 4-8 Parallel connection 2 of RBU100H
Note:
 RBU100H 380V 22kW–45kW has internal output reactor. RBU100H 380V 55kW–250kW/660V
55kW–400kW has standard output reactor.
 Each RBU100H has 1 standard input reactor. Select the input reactor according to the rated
parameters of the VFD.
 The input filter is optional. Select the input filter according to the rated parameters of the VFD.
 The fuse is optional. Configure the fuse at 1.5 times of the rated current of the RBU.
 Derate 90% of the RBU100H in parallel connection.