Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC

Ref Price:
Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
50000 unit
Supply Capability:
300000 unit/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

1.  Structure of Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Description

A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a

utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a

critical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have special

functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.

 

 

2.  Main Features of the Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC

• Flexible design due to dual MPP tracking that is equipped to obtain full nominal power, 3-phase supply

• High energy yield due to maximum efficiency up to 98.1%

• Low noise levels and internal consumption due to natural cooling

• Integrated theft protection

• Access to Home WiFi system and enjoy cloud services via smart phones

• Integrated power management function, easy to receive the adjustable command from grid

• Extensive communication: RS-485, Ethernet, WLAN / WiFi, 4 digital inputs for ripple control receivers

• Product certification: TÜV, VDE 0126-1-1, EN 62109-1/-2, CE, G83/1, VDE-AR-N 4105

• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000

 

 

3.  Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Images

 

 

 

 

 

4.  Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Specification

Input Side Data

Max. PV input power

3191W

Max. PV input voltage

1000V

Startup voltage

200V

Nominal input voltage

610V

MPP voltage range

140~900V

MPP voltage range for nominal power

160~800V

No. of MPPTs

2

Max. number of PV strings per MPPT

1/1

Max. PV input current

19.8A(9.9A/9.9A)

Max. current for input connector

10A 

Short-circuit current of PV input

24.8A(12.4A/12.4A)

Output Side Data

Nominal AC output power

3000W

Max AC output powerPF=1)

3000W

Max. AC output apparent power

3000VA

Max. AC output current

4.4A

Nominal AC voltage

3/N/PE,230/400Vac

AC voltage range

310~480Vac(May vary as per corresponding country's grid  standard) 

Nominal grid frequency

50Hz

Grid frequency range

45~55Hz
(May vary as per corresponding country's grid  standard)  

THD

< 3 %  (Nominal power)

DC current injection

<0.5 %In

Power factor

>0.99@default value at nominal power,
(adj. 0.8overexcited ~0.8underexcited)

Protection

Anti-islanding protection

Yes

LVRT

No

DC reverse connection protection

Yes

AC short circuit protection

Yes

Leakage current protection

Yes

DC switch

Integrated

DC fuse

No

Overvoltage protection

 III 

System Data

Max. efficiency

98.0%

Max. European efficiency

96.0%

Isolation method

Transformerless

Ingress protection rating

IP65

Night power consumption

<1W

Operating ambient temperature range

-25~60(>45 derating)

Allowable relative humidity range

0~100%

Cooling method

Natural cooling

Noise

≤29dB

Max. operating altitude

2000m

Display

Graphic LCD

Communication

Ethernet,RS485RJ45 connector,
4×Digital Inputs,Wifi

DC connection type

MC4

AC connection type

Plug and play connector

Certification

VDE0126-1-1,EN62109-1,EN62109-2,
G83/1,VDE-AR-N-4105.

Mechanical Data

DimensionsW×H×D

403×518×190mm

Mounting method

Wall bracket

Weight

22kg

 

 

 

5.  FAQ of Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC

Q1. What is the difference between inverter and solar inverter?

A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.

 

 

Q2. What is the difference between MPPT&PWM?

A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.

 

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
In foreign countries due to the higher penetration rate of the car to go out to work or travel can be connected with the inverter battery drive electrical and various tools work.
Q:Installation and maintenance of photovoltaic grid - connected inverter
, any failure that affects the safety performance of the inverter must be immediately removed before turning on the inverter again.
Q:Photovoltaic grid-connected inverter problem
But Baidu Encyclopedia clearly pointed out: the zero line is the secondary side of the transformer leads the neutral point of the line, and the phase line constitutes a circuit for power supply equipment.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
For photovoltaic power plants when the power system accidents or disturbances caused by photovoltaic power plant grid voltage drop, in a certain voltage drop range and time interval, the photovoltaic power plant can ensure that non-off-line continuous operation.
Q:What is the PV inverter starting voltage
Photovoltaic inverter, also known as power regulator, according to the inverter in the use of photovoltaic power generation system can be divided into two kinds of independent power supply and grid. According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter. For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters called low-voltage crossing ability, you can do PQ adjustment
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is usually equipped with island protection function, can only receive the power grid, if the load directly, the output is disconnected.
Q:Photovoltaic grid-connected inverter without DC emc how will happen
Solar photovoltaic power generation technology is the use of solar cells, the photovoltaic effect of semiconductor materials, solar radiation can be directly converted into a new type of power generation system, solar energy is a radiant energy, solar power means --- to direct conversion of sunlight Into electricity,
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters that have a low-pressure through the ability to do PQ adjustment.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range