10
= Key1
= Key 2
= Key 3
= Max. value or consumption = Min. value or supply
Diagr. 1
Medium voltage measurement with three
voltage transformers and three current transformers.
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
27 26 25 24 23 22 21 20 19 18
14 15
L1 L2 L3 PE
2A
L1 N
Messung
Mesurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
k l
k l
k l
../5(1)A
../5(1)A
../5(1)A
10160400
Verbraucher
Consumer
4-
10A
L1
L2
L3
u u u
x x x
X X X
U U U
Diagr. 2 Medium voltage measurement with two
voltage transformers and three current transformers.
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
27 26 25 24
23 22 21 20 19 18
14 15
u v PE
2A
L1 N
Messung
Mesurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
L1
L2
L3
k l
k l
k l
../5(1)A
../5(1)A
../5(1)A
10160410
Verbraucher
Consumer
4-
10A
u v u v
U V U V
Diagr. 4 Medium voltage measurement with two
voltage transformers and two current transformers.
Messung
Measurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
27 26 25 24
23 22 21 20 19 18
14 15
u v PE
2A
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
10160430
u v u v
U V U V
k l
k l
../5(1)A
../5(1)A
Verbraucher
Consumer
4-
10A
Diagr. 3 Medium voltage measurement with three
voltage transformers and two current transformers.
Messung
Measurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
27 26 25 24
23 22 21 20 19 18
14 15
u1 u2 u3 PE
2A
L1
L2
L3
k l
k l
../5(1)A
../5(1)A
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
Verbraucher
Consumer
u u u
x x x
U U U
X X X
10160420
4-
10A