Figure 3: 3 Phase 4-Wire System with 4CTs connection, direct voltage input.
19
20
1
2
3
4
5
6
7
8
15
16
17
18
14
13
12
Figure 4: 3-Phase 4-Wire System with 3CTs connection, direct voltage input.
19
20
1
2
3
4
5
6
7
8
15
16
17
18
14
13
12
Neutral current measurement is based on the vector sum of 3 CTs.
*- Applicable for DPM380 only
*- Applicable for DPM380 only