Circutor CVM-E3-MINI - CVM-E3-MINI-MC-Wieth

3.6.5.- MEASURING THREEPHASE NETWORKS WITH A 3WIRE CONNECTION: CVME3MINIMC
AND CVME3MINIMCWiEth
Measurement system: 3-3Ph
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
1
2
3
4
5
6
3P1
2P1 1P1
3P2
2P2 1P2
Brown/Green
Grey/Pink
Green/White
Red/Blue
Figure 10: Three-Phase measuring with a 3-wire connection: CVM-E3-MINI-MC and CVM-E3-MINI-MC-WiEth.
Note: Do not connect MC current transformers to ground.
The MC transformer secondary value is set to 0.250 A (fixed value).
20
CVM-E3-MINI
Instruction Manual