28
EN
6.4.2. Description of the main network and load combinations
3P+N – 4CT
I
I1 I2 I3 I4
N
V1 V2 V3 VN
V
(1)
L1
L2
L3
3+ N
B-30 current terminal
sensors
3
= Balanced load
3
= Unbalanced load
CT
Three-phase + Neutral
3P+N – 4CT
Three-phase + Neutral
3P+N – 3CT & 3P – 1CT
I
I1 I2 I3 I4
N
V1 V2 V3 VN
V
(1)
L1
L2
L3
3+ N
N
V1 V2 V3 VN
V
(1)
I
L1
L2
L3
3
I1 I2 I3 I4
3+ N
Three-phase + Neutral
3P+N – 3CT & 1P+N – 1CT
Three-phase
3P – 3CT & 3P – 1CT
1
N
V1 V2 V3 VN
V
(1)
I
L1
L2
L3
I1 I2 I3 I4
3+ N
V1 V2 V3 VN
V
I
L1
L2
L3
3
I1 I2 I3 I4
3