Eaton EDR 3000 - Page 61

EDR-3000 IM02602003E
4-wire system, 4
th
CT on Neutral
www.eaton.com 49
A B C
IA
IB
IC
1
X?.
2
3
4
5
6
7
8
9
10
11
12
4-wire system, 4th CT on Neutral; In secondary = 5 A.
IA
1A
5A
N
IB
1A
5A
N
IC
1A
5A
N
IX
1A
5A
N
IB'
IC'
IA'
N
IN
IN'
IX meas=IN
IR calc = IG = IA + IB + IC + IN
IR calc´