Circutor CVM-E3-MINI - 3�6�7�- MEASURING THREE-PHASE NETWORKS with a 3-WIRE CONNECTION and TRANSFORMERS with an ARON CONNECTION: CVM-E3-MINI-ITF and CVM-E3-MINI-ITF-Wieth

3.6.7.- MEASURING THREEPHASE NETWORKS WITH A 3WIRE CONNECTION AND TRANSFORMERS
WITH AN ARON CONNECTION: CVME3MINIITF AND CVME3MINIITFWiEth
Measurement system: 3-ArOn
VL1 VL2
VL3
L1
L2
L3
V
L3
L2
V
L1
V
VL1 VL2 VL3
a
b
A
B
a
b
A B
CARGA / LOAD
12
11
10
Alimentación Auxiliar
Power Supply
S1
S2
S1
S2
S1
S2
S1
S2
P1
P2
S1
S2
P1
P2
1
2
3
4
5
6
Figure 12: Three-Phase measuring with a 3-wire connection and transformers with an ARON 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.
22
CVM-E3-MINI
Instruction Manual