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KSG1.5K-6K

Solar Inverter : 1500VA/2000VA/3000VA/4000VA/4200VA/5000VA/6000VA

Single phase string-type inverter

KSG1.5K-6K single phase string-type inverters are developed by Kstar for photovoltaic power station, with high efficiency and high reliability, compact design and easy installation, which can be applied in distributed generating system flexibly.
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  • Specifications
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KSG1.5K-6K single phase string-type inverters are developed by Kstar for photovoltaic power station, with high efficiency and high reliability, compact design and easy installation, which can be applied in distributed generating system flexibly.

 

Features Of KSG Series Product (1.5K~6K)
High Reliability
1. Perfect Cooling Design
●Perfect cooling design. Ambient temperature: 50°C, no derating operation
●Temperature derating design
2. Plentiful Electrical Protection Design
●PV side protection. Over-current protection
●Inverter system internal protection
●Grid side protection. Over-current protection, over-voltage protection and frequency protection
●Safety design. Insulation resistance testing, leakage current monitoring
3. Excellent Protection Design
●Waterproof design, dustproof design, IP65 design
●PCB physical isolation, conformal coating protection
High Efficiency
1. Perfect MPPT Calculation Method
●Accurate MPPT calculation method
●Fast MPPT calculation method
2. Ultra Low Night Loss
No system night loss.
3. Ultra High Conversion Efficiency
DC-DC soft switch technology.
4. Excellent Fan Speed Regulation Design
Stepless fan speed regulation in real time according to the changes of the load and temperature.
Convenient Maintenance
1. Easy For Installation
2. Software Online Upgrade
Convenient Management    
Configured with RS232/RS485 communication port.

 
Model    Specifications
KSG-1500
KSG-2000
KSG-3000
KSG-4000
KSG-3600
KSG-4200
KSG-5000
KSG-6000
Input(DC)
 
 
 
 
 
 
 
 
Max. DC power
1800W
2400W
3600W
4300W
4200W
4600W
5400W
6400W
Normal DC power
1650W
2200W
3300W
4000W
3800W
4410W
5250W
6300W
Max. DC voltage
550V
550V
550V
550V
600V
600V
600V
600V
PV Operation voltage range
150V-550V
150V-550V
150V-550V
150V-550V
150V-550V
150V-550V
150V-550V
150V-550V
Normal DC  voltage
360V
360V
360V
360V
360V
360V
360V
360V
Min. / start  DC voltage
120V/150V
120V/150V
120V/150V
120V/150V
120V/150V
120V/150V
120V/150V
120V/150V
Number of MPP trackers
1
1
1
1
2
2
2
2
Strings per MPP tracker
1
1
2
2
1
1
1
1
Max. DC power per MPP tracker
1800W
2300W
3300W
3900W
2100W
2500W
3000W
3600W
Max. input current per MPP tracker
8.5A
11.3A
17A
20.7A
11A/11A
12.5A/12.5A
15A/15A
17A/17A
Output (AC)
 
 
 
 
 
 
 
 
Normal AC output Power
1500W
2000W
3000W
3650W
3600W
4200W
5000W
6000W
Max. AC output Power
1650W
2200W
3300W
4000W
3900W
4400W
5200W
6200W
Normal AC voltage
230 V
230V
230V
230V
230V
230V
230 V
230 V
AC voltage range
184 V – 264 V
184 V – 264V
184 V – 264 V
184 V – 264 V
184 V – 264 V
184 V – 264 V
184 V – 264 V
184 V – 264 V
Normal AC grid frequency
50 /60 Hz
50 /60 Hz
50 /60 Hz
50 /60 Hz
50 /60 Hz
50 /60 Hz
50 / 60 Hz
50 /60 Hz
AC grid frequency range
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
 ± 5 Hz
Max. output current
8.3A
11A
16.5A
20.1A
17A
21A
25A
30A
Rated. output current
6.5A
8.7A
13A
15.9A
15.7A
18.3A
21.7A
26.1A
Phase shift (cos φ)
1
1
1
1
1
1
1
1
THDI
<3%
<3%
<3%
<3%
<3%
<3%
<3%
<3%
AC connection
Single phase
Single phase
Single phase
Single phase
Single phase
Single phase
Single phase
Single phase
Topology
Transformer less
Transformer less
Transformer less
Transformer less
Transformer less
Transformer less
Transformer less
Transformer less
Efficiency
 
 
 
 
 
 
 
 
Max. efficiency
97.2%
97.3%
97.3%
97.5%
97.5%
97.5%
97.5%
97.5%
Euro-eta
96.6%
96.6%
96.6%
96.6%
96.6%
96.6%
96.6%
96.6%
MPPT efficiency
99.5%
99.5%
99.5%
99.5%
99.5%
99.5%
99.5%
99.5%
Consumption: standby / night
<5W / < 0.2 W
<5W / < 0.2 W
<5W / < 0.2 W
<5W / < 0.2 W
<7W / < 0.2 W
<7W / < 0.2 W
<7W / < 0.2 W
<7W / < 0.2 W
Protection devices
 
 
 
 
 
 
 
 
all-pole fault current monitoring unit
      yes
      yes
      yes
       yes
       yes
      yes
yes
yes
AC short-circuit protection
yes
yes
yes
yes
yes
yes
yes
yes
Ground fault monitoring
yes
yes
yes
yes
yes
yes
yes
yes
Mechanism  Data
 
 
 
 
 
 
 
 
Dimensions (W / L / D) in mm
353/605/182
353/605/182
353/605/182
353/605/182
353/660/182
353/660/182
353/660/182
353/660/182
Weight
21KG
21KG
23KG
23KG
25KG
25KG
27KG
27KG
Environment Data
 
 
 
 
 
 
 
 
Operating temperature range
–20 °C ... +55 °C
–20 °C ... +55°C
–20 °C ... +55 °C
–20 °C ... +55 °C
–20 °C ... +55 °C
–20 °C ... +55 °C
–20 °C ... +55 °C
–20 °C ... +55°C
Noise emission (typical)
≤ 25 dB
≤ 25 dB
≤ 25 dB
≤ 25 dB
≤ 25 dB
≤ 40 dB
≤ 40 dB
≤ 40 dB
Cooling concept
No fan
No fan
No fan
No fan
No fan
fans
fans
fans
Installation: Indoors / Outdoors
yes / yes
yes / yes
yes / yes
yes / yes
yes / yes
yes / yes
yes / yes
yes / yes
Protection rating
IP65
IP65
IP65
IP65
IP65
IP65
IP65
IP65
Features
 
 
 
 
 
 
 
 
LCD display
yes
yes
yes
yes
yes
yes
yes
yes
Interfaces
    RS485/RS232
    RS485/RS232
    RS485/RS232
    RS485/RS232
    RS485/RS232
    RS485/RS232
    RS485/RS232
    RS485/RS232
Certificates and approvals
VDE 0126, AS4777、G83、RD1663、CE、DK5940

KSG1.5K-6K Introduction