Sungrow SG20RT User Manual

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10
Appendix
10.1 Technical Data
Parameter SG3.0RT SG4.0RT
Input (DC)
Recommended max. PV
input power
4.5 kWp 6.0 kWp
Max. PV input voltage 1100 V
*
Min. PV input voltage /
Start-up input voltage
180V / 180V
Nominal input voltage 600 V
MPP voltage range 160 V–1000 V
**
MPP voltage range for
rated power
160V-850V
***
No. of independent MPP
inputs
2
No. of PV strings per
MPPT
1 / 1
Max. PV input current 25 A (12.5 A / 12.5 A)
Max. DC short-circuit
current
32 A (16 A / 16 A)
Output (AC)
Nominal AC power (@
230 V, 50 Hz)
3000 W 4000 W
Max. AC output power 3300VA 4400VA
Max. AC output current 5.1A 6.8A
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 180 V–276 V / 311 V–478 V
Nominal grid frequency /
Grid frequency range
50 Hz / (45 Hz–55 Hz)
60 Hz / (55 Hz–65 Hz)
Harmonic (THD) < 5 % (at nominal power)
Power factor at nominal
power / Adjustable power
factor
> 0.99 / 0.8 leading - 0.8 lagging

Sungrow SG20RT Specifications

General

Model	SG20RT
Category	Inverter
Max. DC Voltage	1100 V
Rated AC Power Output	20 kW
Max. Efficiency	98.6%
Max. DC Input Power	30 kW
Max. Input Voltage	1100 V
Start Voltage	200 V
Number of MPPTs	2
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	22 kVA
Rated Grid Frequency	50 Hz / 60 Hz
Max. Output Current	32 A
Power Factor at Rated Power	>0.99
THDi	<3%
DC Switch	Yes
Protection Class	IP65
Cooling Method	Natural Convection
Protection Degree	IP65
Protection Level	IP65
MPPT Voltage Range	200 V - 1000 V
Operating Temperature Range	-25°C to +60°C
Input Voltage Range	200 V - 1000 V
MPPT Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V