Rockwell Automation 1407-CGCM Combination Generator Control Module - Manual (Page 24)

24 Rockwell Automation Publication 1407-UM001G-EN-P - April 2013
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
Fuse
Fuse
Fuse
Fuse
TB3
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
TB5
VGen A
VGen B
VGen C
VGen 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.