High Efficiency Solar Power Inverter for Grid-connected PV System

solar power inverter
1)high quality,efficiency inverter
2)easy installation,operation
3)excellent service
4)cert.:CE,TUV
General Descriptions:
SD-SG3KTL / 4KTL / 5KTL is a transformerless inverter with higher efficiency. Its aluminum housing
makes it very compact, robust and light in weight. The direct plug-in terminal port provides easy,
safe and reliable cable connection under any circumstances. It can be used for string-connected
outdoor small PV power station, or individually for a small house.
solar power inverter
Technical Features:
1.Max. efficiency at 97.3%
2.Weather-proof design (IP54) for harshest working environment
3.Easy-setting multilingual LCD display panel
4.High reliability with full protective functions
Solar Power Inverter Technical Specifications:

DC SIDE DATA



Model
SD-SG3KTL
SD-SSG4KTL
SD-G5KTL
Max. DC Voltage
520Vdc
520Vdc
520Vdc
Start Voltage
170V
170V
170V
MPP Voltage Range
180~420Vdc
210~420Vdc
260~420Vdc
Min. DC Voltage
150V
150V
150V
Max. DC Power
3300Wp
4400Wp
5500Wp
Max. Input Current
18A
20A
20A
Recommend PV Array Open
Circuit Voltage
400V
400V
400V
Number of MPP Trackers/
Strings Per MPP Tracker
1/3
1/3
1/3
AC SIDE DATA



Rated Output Power
3000W
4000W
5000W
Max. AC Output Current
15A
20A
25A
Rated Grid Voltage
230Vac
230Vac
230Vac
Grid Voltage Range
180~260Vac
180~260Vac
180~260Vac
Rated Grid Frequency
50Hz/60Hz
50Hz/60Hz
50Hz/60Hz
Grid Frequency Range
47~51.5Hz/57~61.5Hz
47~51.5Hz/57~61.5Hz
47~51.5Hz/57~61.5Hz
Output Current THD
< 3% (at nominal power)
< 3% (at nominal power)
<3% (at nominal power)
DC Current Injection
<0.5% of rated inverter output current
Power Factor
≥0.99(at nominal power)
≥0.99(at nominal power)
≥0.99(at nominal power)
SYSTEM



Max. Efficiency
97.3%
97.3%
97.3%
Euro. Efficiency
96.2%
96.5%
96.5%
Protection Degree
IP54(outdoor)
IP54(outdoor)
IP54(outdoor)
Power Consumption at Night
0W
0W
0W
Operating Temperature
-25~+60°C
-25~+60°C
-25~+60°C
Cooling Method
controlled forced-air cooling
controlled forced-air cooling
controlled forced-air cooling
Relative Humidity
0~95%, non-condensing
0~95%, non-condensing
0~95%, non-condensing
Max. Working Altitude
2000m
2000m
2000m
DISPLAY AND COMMUNICATIONS
Display
LCD
LCD
LCD
Standard Comm. Interfaces
RS485
RS485
RS485
Optional Comm. Interfaces
Ethernet
Ethernet
Ethernet
MECHANICAL DATA



Dimensions(WxHxD)
415*530*176mm
415*530*176mm
415*530*176mm
Net Weight
26kg
26kg
26kg