String Solar Inverter 3000W Grid Tie Inverter with Limiter

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PRODUCT DETAILS

3000W Solar Power Grid Tie Inverter with Limiter Function

String Inverter DC 100V-500V input Voltage. AC 160V-300V Single Phase output Voltage . Power Limiter Function : selectable Wi-Fi Function : Yes (need wifi port )

Leading Features:

1. Max Efficiency of 97.5% and wide input range. 2. Single MPPT design with accurate MPPT algorithm. 3. Intelligent cooling, IP65 protection. 4. Compact and light design for easy Installation. 5. Transformerless GT topology. 6. RS485, WiFi Interface. 7. Numerous protection functions. 8. Optional build in Anti-Overflow function. 9. 7 years standard warranty, 25 years lifespan design.

Technical Data

 

Model

SUN-3K-G 

Energy source

Grid-connected PV 

Input Side  

Max.DC Power(kW)

3.3KW

Max.DC Input Voltage(V) 

600V

Start-up DC Input Voltage(V) 

120V

MPPT Operating Range(V)

100-550V 

Max.DC Input Current(A)

10A

Number of MPP/Number of Strings 

1/1

Output Side

Rated Output Power(kW)

3KW

Max. Active Power(kW)

3.3KW

Rated AC Grid Voltage(V)

220V

AC Grid Voltage Range(V)

160-270V

Rated Grid Frequency(Hz)

50/60Hz (Optional) 

Operating Phase

Single phase 

Rated AC Grid Output Current(A)

13.6A

Max.AC Output Current(A)

15A

Output Power Factor

>0.99

Grid Current THD

<3%

DC Injection Current(mA)

<0.5%

Grid Frequency Range (Hz)

47-52Hz or 57-62Hz(Optional) 

Efficiency

Max. Efficiency

97.5%

Euro Efficiency

97.3%

MPPT Efficiency

>99% 

Protection

DC Reverse-Polarity Protection

Yes

AC Short Circuit Protection

Yes

AC Output Overcurrent Protection

Yes

Output Overvoltage Protection

Yes

Insulation Resistance Protection

Yes

Ground Fault Monitoring

Yes

Surge Protection

Yes

Islanding Protection

Yes

Temperature Protection

Yes

Integrated DC Switch

Optional 

General Data

Size(mm)

330W*348H*130D

Weight(kg/lb)

7.0kg 

Topology

Transformerless

Internal Consumption

<2W(Night)

Running Temperature

-25-60°C

Ingress Protection

IP65

Noise Emission(Typical)

<30 dB

Cooling Concept

Natural convection

Max. Operating Altitude Without Derating

2000m

Designed Lifetime 

>20 years

Grid Connection Standard 

EN50438,IEC61727,VDE4105 ,

NB/T32004(CQC),IEC62109-1-2

Operating Surroundings Humidity

0-100%

Stafty EMC /Standard

IEC62109-1/-2,NB/T 32004, 

EN61000-6-1,EN61000-6-3

Features

DC Connection 

MC-4 mateable

AC Connection

IP65 rated plug 

Display

3.5TFT

Interface 

RS485/RS232 

 

Photovoltaic Grid-connected System

Appearance Introduction

Single Phase String Power Inverter can convert solar panel DC power into AC power which can directly input to the grid. Its appearance is shown below.These models contain SUN-1K-G、SUN-2K-G and SUN-3K-G . The following is collectively referred to as‘inverter’.

Limiter function

The inverter has integrated export limitation function.The function is to adjust the output of inverter quickly according to the power of the user and solar panels, prevent the output of the inverter from being fed to the power grid. This limiter function is optional. If you buy the inverter with limiter, a current sensor will be included in the package which is necessary for limiter function.

Limiter function wiring diagram

When you are reading this, we believe that you have completed the connection according to the requirements of chapter 5, if you has been running your inverter at this time, and you want to use the limiter function, please turn off AC and DC switch of the inverter, and wait for 5 minutes until the inverter completely discharged. Then connect the current sensor to the inverter limiter interface.Make sure they are reliably connected, and the current sensor should clamp to the live wire of the incoming line.In order to make it easier for you to use the built-in limiter function of the inverter, we have specifically given the wiring diagram,as shown in Picture 7.1, the red lines connected to the utility grid said wire (L), blue line shows the zero line (N), yellow green line shows the ground wire (PE). We recommend installing a AC switch between the inverter outlet and the utility grid, the specs of the AC switch is determined according to the load capacity. The AC switch we recommend to connect to the inverter output can refer to Table 5.1.If there is no integrated DC switch inside the inverter you purchased, were commend you to connect the DC switch. The voltage and current of the switch depends on the PV array you access.

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