Lumel ND30 - ND30 Programming; Front Panel

ND30-09D 8 User's manual
Fig. 7. Meter connections of input signals in a 3-phase 3-wire network
Direct measurement in
a 3-wire network
Semi-indirect
measurement using 2
current transformers in
a 3-wire network
ND30
296 7431 1185
L2
L3
S
2
S
1
P
2
P
1
S
2 S
1
P
2
P
1
L1
L1
L2
L3
b
a
BA
b
a
BA
b
a
B
A
ND30
296 7431 1185
L1
L2
L3
b
a
BA
2
5
8
b
a
B
A S
2
S
1
P
2
P
1
S
2
S
1
P
2
P
1
Indirect measurement using 2
current transformers and 2 or 3
voltage transformers in a 3-wire
network
ND30
296 7431 1185
L1
L2
L3