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