Circutor CVM-C10 Series Manual do Utilizador descarregar pdf (Página 20)

3�4�9�- Measuring Single-Phase Networks, phase to phase, with a 2-wire connection,

CVM-C10-ITF, CVM-C10-MC and CVM-C10-mV models�

Measurement system:

Power

Supply

L1 VL2

POWER SUPPLY

INPUTS

A(+) B(-)

GND

RS485

S1 S2

P1 P2

300V

Ph-NPh-Ph

520V

L3L2

P1 P2

I1 I2

OUTPUTS

Rc R2 R1 Tc T2 T1

S0-

S0+ S0+

VL1

VL2

a b

A B

S1 S2

LOAD

Figure 11: Measuring Single-Phase Networks, phase to phase, with a 2-wire connection, CVM-C10-ITF, CVM-C10-MC

and CVM-C10-mV models�

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 (xed value)

CVM-C10-mV model:

The transformer secondary value must be 0.333 V

CVM-C10

Instruction Manual

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