10 Technical Data
10 Technical Data
DC Input
Maximum DC power at cos φ = 1
Maximum input voltage
MPP voltage range
Rated input voltage
Minimum input voltage
Initial input voltage
Maximum input current per DC connector
Maximum input current per input
Maximum short-circuit current per input
Number of independent MPP inputs
Strings per MPP input
AC Output
Rated power at 277 V, 60 Hz
Maximum apparent AC power
Rated grid voltage
Nominal AC voltage
AC voltage range*
Nominal AC current at 277 V
Maximum output current
Total harmonic distortion of the output current
with total harmonic distortion of the AC voltage
<2%, and AC power >50% of the rated power
Maximum residual output current
Duration of the maximum residual output current
Line synchronization characteristics
Rated power frequency
Operating range at AC power frequency 60 Hz
Limits of accuracy of voltage measurement
Limits of accuracy of frequency measurement
56
STP50-US-40-IA-en_es-11
SMA Solar Technology America LLC
51000 W
1000 V
500 V to 800 V
725 V
150 V
188 V
20 A
20 A
30 A
6
2
50000 W
53000 VA
277 V
480 V / 277 V
243.7 V to 304.7 V
63.8 A
63.8 A
< 3%
440 Apeak
26 ms
Method 2
60 Hz
54 Hz to 65 Hz
2% of the AC voltage
± 0,1 Hz
Installation Manual