Circutor CVM-E3-MINI - CONNECTION DIAGRAM

3.6.- CONNECTION DIAGRAM
3.6.1.- MEASURING THREEPHASE NETWORKS WITH A 4WIRE CONNECTION: CVME3MINIITF
AND CVME3MINIITFWiEth
Measurement system: 4-3Ph
VL1 VL2
VL3 N
L1
L2
L3
N
N
V
L3
L2
V
L1 V
VL1 VL2 VL3
a
b
A B
a
b
A B
CARGA / LOAD
13
12
11
10
Alimentación Auxiliar
Power Supply
S1
S2
S1
S2
S1
S2
S1
S2
P1
P2
S1 S2
P1
P2
S1
S2
P1
P2
1
2
3
4
5
6
Figure 6: Three-Phase measuring with a 4-wire connection: CVM-E3-MINI-ITF and CVM-E3-MINI-ITF-WiEth.
To guarantee the insulation of the device and its category, it is necessary
to earth the S2 terminals of the transformers.
16
CVM-E3-MINI
Instruction Manual