UMG 605-PRO
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19
6. 6
Connection variants
6. 6. 1 Baseline measurement, inputs 1-3
Four-conductor connection
Fig. Measurement via 3 voltage transformers in a three-
phase 4-conductor network with asymmetric loading.
Fig. Measurement in a three-phase 4-conductor network
with asymmetric loading.
Fig. Measurement via 2 voltage transformers in a three-
phase 4-conductor network with asymmetric loading.
Fig. Measurement in a three-phase 4-conductor network
with symmetric loading.
Fig. Measurement in a three-phase 4-conductor network
with asymmetric loading.
Fig. Measurement via 2 current transformers in a three-
phase 3-conductor network with symmetric loading.
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 3m
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2i
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2m
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
hv
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
L1
L2
L3
N
L
1
L
2
L
3
N
4w 2u
I
1
I
2
I
3
S1 S2 S1 S2 S1 S2
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