3�6�7�- Measuring Three-Phase Networks With A 3-Wire Connection And - Circutor CVM-E3-MINI-ITF Instruction Manual

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
Figure 12: Three-Phase measuring with a 3-wire connection and transformers with an ARON connection: CVM-E3-
22
Measurement system:
V V V
L1 L2 L3
a b a
A
B A
L1
L2
L3
CARGA / LOAD
MINI-ITF and CVM-E3-MINI-ITF-WiEth�
To guarantee the insulation of the device and its category, it is nec-
essary to earth the S2 terminals of the transformers.
3-ArOn
V
L3
V
L2
V
L1
S1
S2
S1
S2
S1
S2
V V
V
L1 L2
L3
b
B
Alimentación Auxiliar
12
Power Supply
11
10
1
2
3
4
5
6
S2
S1
P1 P2
S1
P1
Instruction Manual
CVM-E3-MINI
S2
P2