Sungrow SG1250UD, Installation Manual

Page: 53 / 56

47
9 Appendix
9.1 Technical Parameters
9.1.1 Electrical Parameters
Input parameters (DC side)
Parameter SG1250UD SG1500UD
Max. DC voltage 1,100Vdc 1,100Vdc
Start-up voltage 540V 600V
MPP voltage range
520V
～
1000V 580V
～
1000V
Min. operating voltage 520V 580V
Max. input current 2,712A 2,896A
Output parameters (AC side)
Parameter SG1250UD SG1500UD
Nominal output power 1,250kW 1,500kW
Max. output power 1,375kW 1,650kW
Max. output AC 2,222A 2,381A
Nominal grid voltage 360Vac 400Vac
Gird voltage range
(three-phase)
288Vac ~414Vac(settable) 320Vac~460Vac(settable)
Nominal grid frequency 50Hz/60Hz
Grid frequency range 45~55Hz/55~65Hz(settable)
THD <3% (at nominal power)
DC current injection <0.5% (nominal output current)
Adjustable power factor 0.8 (leading)~0.8 (lagging)
9.1.2 Mechanical Parameters
Parameter SG1250UD SG1500UD
Dimensions (W×H×D) 2,150mmx2,120mmx850mm
Weight 1,900kg
9.1.3 System Parameters
Parameter SG1250UD SG1500UD
Max. efficiency 99%
Euro efficiency 98.7%
Ingress of protection IP65
Night power consumption <40W
Auxiliary power supply 2kW / 220V
Operating temperature
-35
℃
~
＋
60
℃
(
＞
50
℃
derating)
Cooling method Forced air cooling
Operating humidity 0
～
95% (Non-condensing)
Max. operating altitude 4,500m (
＞
3,000m derating)