23
UMG 512
Fig. Measurement in a three-phase 4-conductor
network with asymmetric loading.
Fig. Measurement via 2 voltage 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
Summary of Contents for UMG 512
Page 15: ...15 UMG 512 ...
Page 115: ...115 UMG 512 ...
Page 116: ...116 UMG 512 Dimension diagrams Cut out size 138 0 8 x 138 0 8 mm Rear side Patch cable ...
Page 117: ...117 UMG 512 Side view View from below ...
Page 122: ...122 UMG 512 ...
Page 123: ...123 UMG 512 ...