Circutor CVM-B Series Manual do Utilizador Página 18

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3.4.3.- Three-phase network measurement with a 3-wire connection and transformers
with an ARON connection.
Measurement system:
Secondary winding of the current transformer: (MC1 type transformer)
Power
Supply
VL1 VL2
VL3
L1
L2
L3
N V
L3 L2
V
L1
V
VL1 VL2 VL3
a
b
A B
a
b
A B
S1
S2
S1 S2
S1
S2
L1
P1
P2
L2
L3
P1
P2
P1 P2
S1 S2
LN
P1
P2
NV
REF REF
S1 S2
P1
P2
S1
S2
P1
P2
POWER SUPPLY
~
~
+ -
LOAD
Figure 7: Three-phase measuring with a 3-wire connection and transformers in an ARON connection (transformer
secondary: /1A, /5A or MC1 (/0.250)).
The MC1 transformer secondary value is set to 0.250 A
18
CVM-B100 - CVM-B150
Instruction Manual
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