Sungrow SG320HX, User Manual

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10 Appendix
10.1 Technical Data
Parameters SG320HX SG350HX
Input (DC)
Max. PV input voltage
1500 V
Min. PV input voltage /
Startup input voltage
500 V / 550 V
Nominal PV input voltage
1080 V
MPP voltage range
500 V – 1500 V
No. of independent MPP
inputs
12 (optional: 16) 12 (optional: 14/16)
Max. number of PV strings
per MPPT
2
Max. PV input current per
MPPT
40 A (optional: 30 A for 16
MPPT inputs)
-
Max. PV input current —
12 * 40 A (Optional: 14 * 30
A / 16 * 30 A)
Max. DC short-circuit cur-
rent per MPPT
60 A
Output (AC)
AC output power 352 kVA @ 30 ℃ / 320 kVA @ 40 ℃ / 295 kVA @ 50 ℃
Max. AC output current
254 A
Nominal AC voltage 3 / PE, 800 V
AC voltage range
640 – 920V
Nominal grid frequency /
Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz /
57 – 63 Hz
50 Hz / 45 – 55 Hz, 60 Hz /
55 – 65 Hz
THD
< 3 % (at nominal power)
DC current injection
< 0.5 % In
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