HT instruments PQA820 - Manual (Page 29)

PQA820
EN – 28
SYMBOL MEANING NOTES
P+ Value of active power +
Positive quantities
(user user)
Pfc+ Capacitive power factor +
Pfi+ Inductive power factor +
Qc+ Value of capacitive reactive power +
Qi+ Value of inductive reactive power +
P- Value of active power -
Negative quantities
(generator user)
Pfc- Capacitive power factor -
Pfi- Inductive power factor -
Qc- Value of capacitive reactive power -
Qi- Value of inductive reactive power -
VALUE MEANING
P
The relative (positive or negative) active power is defined in the quadrant examined, and
therefore it takes the value of the active power in that moment.
Q
The relative (inductive or capacitive, positive or negative) reactive power is defined in the
quadrant examined, and therefore it takes the value of the reactive power in that moment.
Pf
The relative (inductive or capacitive, positive or negative) power factor is defined in the
quadrant examined, and therefore it takes the value of the power factor in that moment.
0
The relative (positive or negative) active power or the relative (inductive or capacitive, positive
or negative) reactive power IS NOT defined in the quadrant examined, and therefore it takes a
zero value.
-1
The relative (inductive or capacitive, positive or negative) power factor IS NOT defined in the
quadrant examined.