Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
29
Installation
Chapter
2
Figure 14 - Voltage and Current Connection for Dual Breaker Bus and Two (or
Three) Transformer Delta Generator System
L1 A L 2A L 3 A
CB
Fu s e
Fu se
CB
L1 B L 2B L 3 B
Fuse
Fuse
Fu s e
G
TB 3
I1 (+ ) 5A
I1 ( -)
ID (+ ) 5A
I3 (+ ) 5A
I2 (+ ) 5A
I2 ( -)
I3 ( -)
ID (-)
I1 (+ ) 1A
I2 (+ ) 1A
I3 (+ ) 1A
ID (+ ) 1A
TB 6
VB us A
VB us B
VB us C
VB
us N
TB 5
VGen A
VGen B
VGen C
VGen N
A
C
B
Optional
Ground
To optional cross-
current reactive
compensation loop.
Cross-current CT input
not required for parallel
droop operation.
Customer Supplied CT
Shorting Switch or Test
Block
Use of a third potential
transformer is optional. The
CGCM unit can be connected
in either open or closed delta.