6
Unidrive Regen Installation Guide
www.controltechniques.com
Issue Number: 2
3.1.2
Standard multiple Regen, multiple motoring system
If the total power requirement is too great for one Unidrive size 5 Regen drive to supply, more than one drive can be used.
One Regen system can consist of multiple Unidrive size 5 Regen drives, which can supply multiple Unidrive size 5 motoring drives, providing that the
total load power does not exceed the rating of the Regen drives. See figure 3-2 for a dual size 5 Regen configuration.
N
High power set-ups should use Unidrive size 5. This is the only module which is designed for parallel Regen operation.
For systems with more than two Unidrive size 5 drives in parallel Regen operation, contact CT Technical Support.
Figure 3-2
Power connections: Unidrive size 5 multiple Regen
NOTE
FS
1
FS
2
FS
3
MC
B
1
a
K3
SFF
C
1
Rd
1
K2
RFI
SFF
L
K1
R
B
Y
3P
h
a
s
e
S
uppl
y
MCB
1
b
SFF
C
2
E
E
E
E
E
V1
V2
V3
V4
V5
V6
Rd2
Rd
4
Rd3
Rd
5
Rd
6
Rs1
au
x
1
a
aux
1
b
aux
2
aux
3
Un
id
ri
v
e
Si
z
e
5
Re
g
e
n
Dr
iv
e
1
U
V
W-
D
C
+D
C
Co
mmo
n
DC
Bus
E
E
Un
id
ri
v
e
Si
z
e
5
Re
g
e
n
Dr
iv
e
1
U
V
W
-D
C
+D
C
R
-
cont
ro
l
+D
C
-D
C
Lr
e
g
1
Lr
e
g
2
F1
F2
F3
F4
F5
F6
Tc
1
R
-par
a
lle
l
Tc
2
E
E
Ov
ld
