11 Operating Data and Parameters
SMA Solar Technology AG
User ManualSCCPXT-E7-BA-en-58122
Name Description Value/range Explanation Default
value
P-W Active power limit in kW
The active power cannot
exceed Pmax.
0kW to 1000kW SunnyCentral500CPXT 550kW
0kW to 1000kW SunnyCentral630CPXT 700kW
0kW to 1000 kW SunnyCentral720CPXT 792kW
0kW to 1000 kW SunnyCentral760CPXT 836kW
0kW to 1000kW SunnyCentral800CPXT 880kW
0kW to 1000kW SunnyCentral850CPXT 935kW
0kW to 1000kW SunnyCentral900CPXT 990 kW
0kW to 1100kW SunnyCentral1000CPXT 1,100kW
P-WNom Limitation of active
power in%
0% … 100% ‒ 100%
WCtlHz-
Mod**
Activation of frequency-
dependent active power
limitation
Off Deactivated Country-
specific
CurveHys Procedure with hysteresis
Curve Procedure without hysteresis
P-HzStr** Starting point of fre-
quency control
Country-specific ‒ Country-
specific
P-HzStop** End point of frequency
control
Country-specific ‒ Country-
specific
P-HzStop-
Min**
Minimum frequency at
end point of frequency
control
Country-specific ‒ Country-
specific
P-WGra** Gradient of active power
limitation in case of ac-
tive power limitation de-
pendent on the fre-
quency
1%/Hz to 100%/Hz ‒ Country-
specific
Qlimit* Reactive power of device 0kVAr to 245kVAr SunnyCentral500CPXT 245kVAr
0kVAr to 310kVAr SunnyCentral630CPXT 310kVAr
0kVAr to 346kVAr SunnyCentral720CPXT 346kVAr
0kVAr to 365kVAr SunnyCentral760CPXT 365kVAr
0kVAr to 385kVAr SunnyCentral800CPXT 385kVAr
0kVAr to 409kVAr SunnyCentral850CPXT 409kVAr
0kVAr to 433kVAr SunnyCentral900CPXT 433kVAr
0kVAr to 485kVAr SunnyCentral1000CPXT 485kVAr