Sungrow SG20RT - Page 151

141
Parameter SG15RT-P2 SG17RT-P2 SG20RT-P2
No. number of PV strings
per MPPT
2 / 2
Max. PV input current 64 A (32 A / 32 A)
Max. DC short-circuit
current
80 A (40 A / 40 A)
Output (AC)
Nominal AC power (@ 230
V, 50 Hz)
15000 W 17000 W 20000 W
Max. AC output power
15000 VA for "AU",
"BE", "DE", 16500
VA for others
17000 VA for
"AU", "BE", "DE",
18700 VA for
others
20000 VA for
"AU", "BE", "DE",
22000 VA for
others
Max. AC output current
25 A 28.3 A 31.9 A
Nominal AC voltage
3 / N / PE, 220 V / 380 V
3 / N / PE, 230 V / 400 V
3 / N / PE, 240 V / 415 V
AC voltage range 175 V–276 V / 304 V–478 V
Nominal grid frequency /
Grid frequency range
50 Hz / (45 Hz–55 Hz)
60 Hz / (55 Hz–65 Hz)
Harmonic (THD) < 3 % (at nominal power)
Power factor at nominal
power / Adjustable power
factor
> 0.99 / 0.8 leading–0.8 lagging
Feed-in phases / connec-
tion phases
3 / 3
Efficiency
Max. efficiency 98.30 %
European efficiency 97.90 %
Protection & Function
Grid monitoring Yes
DC reverse connection
protection
Yes
AC short-circuit protection Yes
Leakage current protection Yes
DC switch optional
***
PID recovery function Yes
Surge protection DC Type II / AC Type II
User Manual 10 Appendix