4�- Operation - Circutor CVM-C10 Instruction Manual

4�- OPeRATION
The CVM-C10 is a four-quadrant power analyzer (consumption and generation).
The device can operate according to three different measurement conventions:



The measurement convention is configured in the setup menu, see "4.9.8. Measurement con-
vention".
CIRCUTOR. measurement convention

IeC measurement convention

Operation in the 4 quadrants (Q1, Q2, Q3, Q4)
Q2
P < 0 Q > 0
Capacitive
Inductive
P < 0 Q < 0
Q3
30
CIRCUTOR measurement convention.
IeC measurement convention.
Ieee measurement convention.
Single-phase Three-phase
k
k
Capacitive
Inductive
Single-phase Three-phase
k
k
figure 19: CIRCUTOR measurement convention�
Q
PF < 0 P > 0 Q > 0
PF < 0 P > 0 Q < 0
Single-phase
90º
k
k
k
180º
k
k
k
-90º
Generation Consumption
Power Power
cos φ values in the receiver operating mode (Q1,Q4)
Q1
PF > 0
Inductive
P
Capacitive
PF > 0
Q4
figure 20:Convenio de medida IeC�
Three-phase
k k
k k
k
Inductive
0º
Capacitive
Single-phase Three-phase
k
k
k
k
k
0 + Q1
cos φ
cos φ
0 + Q4
CVM-C10
> 0
+ 1
+ 1
>
0
Instruction Manual