Lumel ND30PNET - Page 8

ND30PNET-09 - User's Manual
7
Semi-direct measurement
in 4-wire network
ND30 PNET
296 7431 1185
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
BA
b
a
BA
b
a
B
A
ND30 PNET
296 7431 1185
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
BA
2
5
8
b
a
B
A
Fig.6. Connection of input signals in 3-phase 4-wire network