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