6 technical documentation, 1 data pv generator connection, 2 data grid connection – SMA SB 2800i User Manual
Page 33: 6technical documentation

Operating Instructions
Technical Documentation
SB2800i-11:FE0504
SMA Regelsysteme GmbH
31
6
Technical Documentation
6.1 Data PV Generator Connection
Max. input open-circuit voltage
U
PV 0
600 V (at -10 °C Module Temperature)
Input voltage, MPP operation
U
PV
224 V ... 600 V DC
Max. input current
I
PV max
13,5 A
Max. input power
DC
max
3000 W
Recommended P
PV
max. generator power
3750 Wp
All-pole disconnector
on DC input side
Multi-Contact
®
plug connector (standard - other
snap cable connectors optional)
Surge voltage protection
thermally monitored varistors
Voltage ripple
U
PP
< 10 % of input voltage
Personnel protection
Ground Fault monitoring (Riso > 1 M
Ω
)
Internal consumption in operation
< 7 W
Pole confusion prevention
by short-circuit diode
6.2 Data grid connection
Nominal output power
P
ACnom
2500 W
Peak output power
P
ACmax
2800 W
Nominal output current
I
ACnom
11 A
Harmonic distortion of output (with
K
Unom
< 2 %, P
AC
> 0,5 P
ACnom
)
THD
IAC
< 4 %
Operating range, grid voltage
U
AC
190 ... 260 V AC
Operating range, grid frequency
f
AC
49.8 ... 50.2 Hz
All-pole disconnector on grid side
independent disconnection device (MSD),
(2 independant systems)
Phase difference
(related to basic wave of current)
ϕ
0°
Overvoltage category
III
Test voltage (50 Hz)
1.4 kV (1/5 s unit / type test)
Surge voltage test
4 kV (1.2/50 ms)
(serial interface: 6 kV)
Internal consumption in stand-by
0.25 W