Lumel ND30 - Page 8

ND30-09D 7 User's manual
Fig. 6. Meter connections of input signals in a 3-phase 4-wire network
Semi-indirect
measurement
in 4-wire network
L1
L2
L3
N
b
a
BA
b
a
BA
b
a
B
A
ND30
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
Indirect measurement
in 4-wire network
ND30
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