26
Measuring inputs
System /
application
Terminals
3-wire
3-phase
asymmetric
load
L1
L2
L3
5
1
8
2
3
7
9
L1
L2
L3
k
l
K
L
k
l
K
L
5
1
8
2
3
7
9
L1
L2
L3
u
U
v
V
v
V
u
U
k
l
K
L
k
l
K
L
5
1
8
2
3
7
9
L1
L2
L3
k
l
K
L
k
l
K
L
x
x
x
u
u
u
X
X
X
U
U
U
5
1
8
2
3
7
9
L1
8
3
1
L1
k
l
K
L
5
8
3
1
L1
v
V
u
U
k
l
K
L
5
8
3
1
5
L2
L3
L2
L3
L2
L3
3-wire
3-phase
symmetric
load
Phase-shift
U: L2 – L3
I: L1
Current transf.
Terminals
5
8
L2
1 3 L3
L1
L3
1 3 L1
L2
4-wire
3-phase
asymmetric
load
L1
L2
L3
N
5
11
8
2
1
3
4
6
7
9
L1
L2
L3
k
l
K
L
k
l
K
L
k
l
K
L
N
x
x
x
u
u
u
X
X
X
U
U
U
5
11
8
2
1
3
4
6
7
9
3 single-pole insulated voltage transformers
in high-voltage system
Connect the voltage according to the following table
for current measurement in L2 or L3:
L1
L2
L3
k
l
K
L
k
l
K
L
k
l
K
L
N
5
11
8
2
1
3
4
6
7
9
