A
B
C
1/5A
N
IG
1/5A
N
1/5A
N
1/5A
N
I_C
I_B
I_A
P1
P2
P1
P2
S1
S2
S1 S2
GUID-3B436FE3-EBC7-499F-AEAF-C07A9FA84CCD V1 EN
Figure 270:
Connection of the current transformers of Type 1. The connected phase
currents and the neutral current have opposite directions at an external
ground-fault situation. Both groundings are inside the area to be
protected.
A
B
C
1/5A
N
1/5A
N
1/5A
N
I_A
I_B
I_C
1/5A
N
IG
P2
P1
P2
P1
S1
S1
S2
S2
GUID-1E53D59D-9402-45EA-8849-210B413BB8BD V
Figure 271:
Connection of the current transformers of Type 1. The connected phase
currents and the neutral current have opposite directions at an external
ground-fault situation. Both groundings are outside the area to be
protected.
Section 4
1MAC059074-MB A
Protection functions
544
615 series ANSI
Technical Manual
Summary of Contents for Relion 615 series
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