Eaton EDR-5000 Installation, Operation And Maintenance Manual page 45

4-wire System Ground Current CT Involving Neutral
A B
IA
IB
IC
4-wire system with ground current CT (Toroidal) involving Neutral; In secondary = 5 A.
C N
IR calc = IA + IB + IC
IG = IA + IB + IC + IN
IX meas = IG
IN
EDR-5000
IA'
IB'
IC'
IR calc´
www.eaton.com
IM02602007E
X?.
1A
1
5A
2
IA
N
3
1A
4
5A
5
IB
N
6
1A
7
5A
8
IC
N
9
1A
10
5A
11
IX
N
12
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