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Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
Chapter 2
Installation
Figure 9 - Voltage and Current Connection for Two (or Three) Transformer Delta Bus
and Two (or Three) Transformer Delta Generator System
L1
L2
L3
G
CB
TB 3
TB 6
VBus A
VBus B
VBus C
VBus N
TB 5
A
C
B
Fuse
Optional
Ground
Optional
Ground
Use of a third potential
transformer is optional. The
CGCM unit can be connected
in either open or closed delta.
Use of a third potential
transformer is optional. The
CGCM unit can be connected
in either open or closed delta.
Fuse
Fuse
Fuse
Fuse
Fuse
VGen A
VGen B
VGen C
VGen N
To optional cross-current
reactive compensation loop.
Cross-current CT input
not required for parallel
droop operation.
ID(+) 1A
ID (+) 5A
ID (-)
I3 (+) 1A
I3 (+) 5A
I3 (-)
I2 (+) 1A
I2 (+) 5A
I2 (-)
I1 (+) 1A
I1 (+) 5A
I1 (-)
Customer Supplied CT
Shorting Switch or Test
Block