Sungrow SG2K5-S - D Series

User Manual 10 Appendix
81
10.1.2 –D Series
Parameters
SG3K-D
SG3K6-D
SG4K-D
Input Data
Max. PV input power
4000 W
4800 W
5200 W
Max. PV input voltage
600 V
Startup voltage
120 V
Nominal input voltage
360 V
MPP voltage range
90 V...560 V
MPP voltage range for
nominal power
160 V...480 V
190 V...480 V
210 V...480 V
No. of MPPTs
2
Max. number of PV strings
per MPPT (PV1/PV2)
1/1
Max. PV input current
20 A (10 A / 10 A)
Max. current for input
connector
24 A (12 A / 12 A)
Short-circuit current of PV
input
24 A (12 A / 12 A)
Max. inverter backfeed
current to PV string
0 A
Output Data
Nominal AC power
3000 W
3680 W
4000 W
Max. AC apparent power
3000 VA
3680 VA
4000 VA
Max. AC current
13.7 A
16.0 A
18.2 A
Max. inrush current
(peak value / duration)
10 A / 12 ms
Max. output fault current
(peak value / duration)
100 A / 3.2 ms
Max. output over-current
protection
25 A
32 A
32 A
Nominal AC voltage
230 Vac (single phase)
AC voltage range
180 Vac...276 Vac
Nominal grid frequency
50 Hz / 60 Hz
Grid frequency range
45 Hz...55 Hz / 55 Hz...65 Hz
Total harmonic distortion
(THD)
< 3 % (of nominal power)
DC current injection
< 0.5 % (of nominal current)
Power factor
> 0.99 at default value at nominal power
(adj. 0.8 leading to 0.8 lagging)
Protection
PV reverse connection
protection
Yes
AC short circuit protection
Yes
Leakage current protection
Yes
Anti-islanding protection
Yes (frequency shift)