3�5�9�- Measuring Three-Phase Networks With A 3-Wire Connection And Transformers With An Aron Connection, Cvm-C10-Itf And Cvm-C10-Mc Models - Circutor CVM-C10 Instruction Manual

CVM-C10
3�5�9�- MEASURING THREE-PHASE NETWORKS WITH A 3-WIRE CONNECTION AND TRANSFORMERS
WITH AN ARON CONNECTION, CVM-C10-ITF AND CVM-C10-MC MODELS�
L1
L2
L3
Figure 12: Three-Phase measuring with a 3-wire connection and transformers with an ARON connection, CVM-C10-ITF and CVM-
Note: Do not connect MC current transformers to ground.
(1)
CVM-C10-ITF model:
The transformer secondary value must be 5A or 1A
CVM-C10-MC model:
The MC transformer secondary value is set to 0.250 A (fixed value)
Instruction Manual
Measurement system:
V V V
L1 L2 L3
V V
L1
b a
a b
A B A B
C10-MC and models�
Power
Supply
OUTPUTS
S0- S0+ S0+
RS485
A(+) B(-)
POWER SUPPLY
Rc R2 R1 Tc T2 T1
Ph-Ph Ph-N
300V ~
520V ~
P1 P2
L1
V V V N
L1 L2 L3
S1 S2
V
L2
L3
S1
S2
P1
LOAD
INPUTS
I1 I2
GND
P1 P2 P1 P2
L2 L3
S1 S2 S1 S2
(1)
P2
S1 S2
P1 P2
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