Allen-Bradley 1407-CGCM-DLR User Manual page 36

Chapter 2 Installation
36
Figure 24 - Cross-current (Reactive Differential) Compensation Connection
Diagram
Cross-
current CT
(typical)
Figure 25 - Typical Cross-current CT Locations and Polarity
Cross-
current CT
(typical)
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
L 1 L2 L3
Customer
B
Supplied CT
A
C
Shorting Switch
G
or Test Block
(typical)
G1
L1 L2 L3
B
A
C
G
G2
L1 L2 L3
B
A C
G
G3
L1 L2 L3
B
A
C
G
X Z
Y
ABC Generator
ID (+ ) 1A
ID (+ ) 5A
ID (-)
TB 3
ID (+ ) 1 A
ID (+ ) 5 A
ID ( -)
TB 3
ID (+ ) 1 A
ID (+ ) 5 A
ID ( -)
TB 3
Ground
cross-current loop
at only one point
(optional).
L1 L2 L3
C
B
A
G
Y
X
Z
ACB Generator