Figure 27: Q(P) Characteristic - Varta element Series Instruction Manual

Figure 27: Q(P) characteristic

Parameter
QPX1
QPY1
QPX2
QPY2
Subject to modification!
120
Starting point of the Q(P) characteristic on the
power axis. The parameter is entered in %.
Example: QXP1 = 50
begins at 50% of the rated maximum power.
Power factor at the start of the Q(P)
characteristic. The setting is to be found in
Table 12. Normally, the power factor at the
beginning of the characteristic is 1. According to
the table, the value of 0 has to be set for QPY1.
End point of the Q(P) characteristic on the
power axis. The parameter is entered in %.
Example: QPX2 = 90
at 90% of the rated maximum power.
Power factor at the end of the Q(P)
characteristic. The setting is to be found in
Table 12. Normally, the power factor at the end
of the characteristic is 0.95 under-excited.
According to the table, the value of -50 has to be
set for QPY2.
Meaning

The characteristic

The characteristic ends
Updated 10/2017