Solar Photovoltaic Grid-Connected Inverter SG6KTL-EC

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1.  Structure of Solar Photovoltaic Grid-Connected Inverter SG6KTL-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 SG6KTL-EC

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

• High energy yield due to maximum efficiency up to 98.1%competitive wholesale price.

Low noise levels and internal consumption due to natural cooling

Integrated theft protectionAC Voltage Range:150V-550Vac

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 SG6KTL-EC Images

 

4.  Solar Photovoltaic Grid-Connected Inverter SG6KTL-EC Specification

Input Side Data

 

Max. PV input power

6312W

Max. PV input voltage

1000V

Startup voltage

250V

Nominal input voltage

610V

MPP voltage range

200~900V

MPP voltage range for nominal power

320~800V

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

6000W

Max AC output powerPF=1)

6000W

Max. AC output apparent power

6000VA

Max. AC output current

8.7A

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

98.1%

Max. European efficiency

97.3%

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 SG6KTL-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.

 

 

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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:Photovoltaic grid-connected inverter without DC emc how will happen
light is obtained by the electrons of the semiconductor device, thus generating electrical energy. This energy conversion of light energy into energy, that is, solar cells. Solar cells, like transistors, are made of semiconductors. Its main material is silicon, and there are some other alloys. High-purity silicon used in the manufacture of solar cells is subject to special purification. Solar cells as long as the sun or light exposure,
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:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
The small use of field-effect transistors while using a DSP conversion controller to improve the quality of the output power makes it very close to the sine wave current.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
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. The car inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. And then a large number of power inverter power
Q:Is the PV inverter a current source or a voltage source?
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power.
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:Photovoltaic grid-connected inverter problem
Hello, the definition of the zero line is not caused by the transformer three-phase electric tail connection? I now do not understand why there is no isolation transformer AC output marked is N (zero line), and it is not the transformer three-phase power of the tail connection leads to, this is the zero line? The The
Q:The working principle of photovoltaic grid - connected inverter
Full-bridge inverter circuit to overcome the shortcomings of the push-pull circuit, the power transistor to adjust the output pulse width, the output AC voltage RMS that changes. Since the circuit has a freewheeling circuit, even if the inductive load, the output voltage waveform will not be distorted. The disadvantage of this circuit is that the upper and lower arms of the power transistor are not common, so you must use a special drive circuit or use isolated power supply. In addition, in order to prevent the upper and lower arm co-conduction, must be designed to turn off after the conduction circuit, that must be set dead time, the circuit structure is more complex.
Q:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Self-use, do you mean off-grid system? Or else? Europe and Sweden side of the grid project electricity situation is also self-use? If not for their own use or spontaneous use is not used up, sent to other places electricity, you need a transformer?

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