
26
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
Chapter 2
Installation
Figure 11 - Voltage and Current Connection for Four-wire Wye Bus and Two (or
Three) Transformer Delta Generator System
L1
N
L2
L3
G
CB
A
C
B
Fus
e
Fuse
Fu se
Fuse
Fuse
Fu se
TB3
I1 (+) 5A
I1 ( -)
ID (+) 5A
I3 (+) 5A
I2 (+) 5A
I2 ( -)
I3 ( -)
ID ( -)
I1 (+) 1A
I2 (+) 1A
I3 (+) 1A
ID (+) 1A
TB 6
VB u s A
VB u s B
VB u s C
VB u s N
TB5
VGe n A
VGe n B
VGe n C
VGe n N
Customer Supplied CT
Shorting Switch or Test
Block
Cross-current CT input
not required for parallel
droop operations.
To optional cross-current
reactive compensation loop.
Optional
Ground
Use of a third potential
transformer is optional. The
CGCM unit can be connected
in either open or closed delta.