SMA SB 2800i - Manual (Page 39)

Operating Instructions Technical Documentation
SB2800i-11:FE0504 SMA Regelsysteme GmbH 37
The following parameters appear in parameter list but cannot be modified:
6.4.4 Precision of Measured Value Acquisition
Acquisition of measured values always is imprecise within a certain margin. The measured values
acquired by the Sunny Boy 2800i are required for its system management and control of current
to be fed to the grid. This is why measured values of the Sunny Boy 2800i must be reproducible.
The maximum error of measured value acquisition is specified for an ambient temperature T
U
of
25 °C. A temperature coefficient failure must be accounted for with other ambient temperatures.
Storage permanent permanent: changed parameters are stored in EPROM
and are still available after restarting the Sunny Boy
volatile: prevents storing the parameters in EPROM,
i. e. parameters are only saved until next startup
Inst.-Code The parameters concerning anti-islanding can only be
changed after entering the installers password here.
Name Unit Range Default Description
Plimit W 2850 Upper limit of AC output power
SMA-SN Serial Number of the Sunny Boy
Software-BFR Firmware version of the operation control unit (BFR)
Software-SRR Firmware version of the current control unit (SRR)
Table 6.2: Operating Parameters of the Sunny Boy 2800i (fixed)
Physical variable Unit Measurement
range
Resolution
of display
Resolution of
measurement
Max. failure
(of final value,
T
U
=25°C)
Input voltage U PV [V] 0 ... 659 V 1 V 1.12 V ±2 %
Input current I PV [mA] 0 ... 13500 mA 1 mA 2.92 mA ±4 %
Grid voltage U AC [V] 180 ... 300 V 1 V 0.3 V ±1 %
Grid current I AC [mA] 0 ... 15000 mA 1 mA 7.3 mA ±2 %
Grid frequency f AC [Hz] 45 ... 55 Hz 0.01 Hz 0.01 Hz ±0.1 %
Power fed to grid P AC [W] 0 ... 3000 W 1 W 2 W ±3 %
Energy fed to grid E [kWh] 0 ... 4.29*10
9
Wmin 1 Wmin 20 Wmin ±3 %
Operating hours h [h] 0 ... 4.29*10 9 s 1 s 375 µs ±0.1 %
Table 6.3: Measured value acquisition ot the Sunny Boy 2800i
Name Unit Range Default Description
Table 6.1: Operating Parameters of the Sunny Boy 2800i (changeable)