ND30PNET-09 -
User's Manual
7
Semi-direct measurement
in 4-wire network
ND30
PNET
2
9
6 7
4
3
1
11
8
5
L2
L3
N
S
2
S
1
P
2
P
1
S
2
S
1
P
2
P
1
S
2
S
1
P
2
P
1
L1
Indirect measurement
in 4-wire network
L1
L2
L3
N
b
a
B
A
b
a
B
A
b
a
B
A
ND30
PNET
2
9
6 7
4
3
1
11
8
5
S
2
S
1
P
2
P
1
S
2
S
1
P
2
P
1
S
2
S
1
P
2
P
1
L1
L2
L3
N
b
a
B
A
2
5
8
b
a
B
A
Fig.6. Connection of input signals in 3-phase 4-wire network