11 Operating Data and Parameters
SMA Solar Technology AG
User Manual 127SCCPXT-E7-BA-en-58
Name Description Value/range Explanation Default
value
PF-PFStop** Displacement power fac-
tor cosφ at characteristic
curve point2
The lower limit is defined
by the parameter PFAb-
sMin.
0.5 … 1 ‒ 0.9
PF-PFExtStop** Excitation of the dis-
placement power factor
cosφ at characteristic
curve point2
OvExt Overexcited OvExt
UnExt Underexcited
PF-WStr** Feed-in power in% at
characteristic curve
point1
0% … 90% ‒ 0%
PF-WStop** Feed-in power in% at
characteristic curve
point2
10% … 100% ‒ 100%
PF-WLockIn-
Vtg**
Activation voltage of the
cos φ(P) characteristic
curve, in%, relative to
the nominal voltage
0% … 110% ‒ 0%
PF-WLock-
OutVtg**
Deactivation voltage of
the cosφ(P) characteris-
tic curve, in%, relative to
the nominal voltage
0% … 110% ‒ 0%
PF-WLockTm Waiting time for activa-
tion or deactivation of
the cosφ(P) characteris-
tic curve
0sto100s ‒ 2s
Q-VDif** Definition of voltage vari-
ation leading to a
change in reactive
power
0.1% … 10% The value refers to the nominal
voltage VRtg.
1%
Q-VArGra** Definition of the reactive
power setpoint change in
one voltage step
0% … 100% The value refers to the nominal
power Pmax.
1%
Q-VDifTm** Time period for which a
voltage change must be
present before the reac-
tive power setpoint Q-
VArGra changes.
0sto120s ‒ 1s