Photovoltaic Grid-Connected Inverter SG2K5TL-S

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Product Description:

1. Structure of Photovoltaic Grid-Connected Inverter SG2K5TL-S Description

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

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

 It is acritical 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.

Suitable for 50Hz/60Hz grid, could be used in Asia, Africa and Europe. Available for hand installation, no need for lifting machinery

 assistance.

 

2. Main Features of the Photovoltaic Grid-Connected Inverter SG2K5TL-S

• Max. input voltage 600V, compatible with different PV panel and string design

• Only 9kg, easy for handling and installation

• Max. Efficiency at 98.0%

 

• Ultra-quiet, suitable for residential use

• Access to home WiFi system, easy to enjoy the online monitoring

• Wireless communication design, intelligent mobile phone local and remote monitoring

 

• Product certification: TÜV, CE, AS4777, AS/NZS 3100, VDE AR N 4105

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

 

 

3. Photovoltaic Grid-Connected Inverter SG2K5TL-S Images

 

 

 

4. Photovoltaic Grid-Connected Inverter SG2K5TL-S Specification

Input Side Data

 

Max. PV input power

2800W

Max. PV input voltage

600V

Startup voltage

150V

Nominal input voltage

345V

MPP voltage range

125~560V

MPP voltage range for nominal power

240~520V

No. of MPPTs

1

Max. number of PV strings per MPPT

1

Max. PV input current

11A

Max. current for input connector

20A 

Output Side Data

Nominal AC output power

2490W

Max AC output powerPF=1

2490W

Max. AC output apparent power

2490VA

Max. AC output current

11.5A

Nominal AC voltage

230Vac (Single phase)

AC voltage range

180~276Vac (May vary as per corresponding country’s grid standard)

Nominal grid frequency

50Hz/60Hz

Grid frequency range

4555Hz/5565Hz (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. 0.8 overexited~0.8 underexcited)

Protection

 

Anti-islanding protection

YES

LVRT

NO

DC reverse connection protection

YES

AC short circuit protection

YES

Leakage current protection

YES

DC switch

Optional

DC fuse

NO

Overvoltage protection

Varistors 

System Data

Max. efficiency

98.00%

Max. European efficiency

97.40%

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

Max. operating altitude

4000m (2000m derating) 

Display

LED, LCD(optional)

Communication

WiFi (optional)

DC connection type

MC4

AC connection type

Plug and play connector

Certification

IEC61000-6-2,IEC61000-6-3,

AS/NZS3100,AS4777.2,AS4777.3

VDE-AR-N-4105, VDE0126-1-1,CE,G83/2C10/11,EN50438,CGC

Mechanical Data

DimensionsW×H×D

300*370*125 mm

Mounting method

Wall bracket

Weight

9kg

 

 

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG2K5TL-S

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: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.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
Q:What is the difference between a PV inverter and a solar inverter?
Instability, the wind speed and the equipment itself will directly affect the generator rotation, so the voltage and current fluctuations, frequency instability, in short, is the power quality is poor) Therefore, through the inverter after the first rectification inverter to improve the quality of power
Q:Is the grid side of the grid and the inverter?
Off-grid system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load;
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
When the power grid failure or disturbance caused by the power supply and network voltage drop, in the voltage drop range, the power group can be uninterrupted through the inverter and network operation.
Q:Is the PV inverter a current source or a voltage source?
According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter.
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
DC voltage and AC side voltage does not matter, the general PV inverter AC output is 400V / N / PE. With no isolation transformer and output voltage does not matter, grid-connected inverter is the regulation of current, and network voltage depends on the grid voltage. And the grid before the inverter will detect the grid voltage, meet the conditions will be network.
Q:PV grid-connected inverter can directly load it?
Grid-connected inverter is like a car file, he first detects the grid waveform, can not detect not boot, and then the PV DC modulation and consistent with the grid waveform, and then hang up.
Q:What is the PV inverter starting voltage
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power. Generally consists of boost circuit and inverter bridge circuit. The boost circuit boosts the DC voltage of the solar cell to the DC voltage required for the inverter output control. The inverter bridge circuit converts the boosted DC voltage to the AC voltage of the common frequency. The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner. Of course, it is not practical to simply output the inverter output waveforms from the on and off circuits
Q:Photovoltaic grid-connected inverter without DC emc how will happen
can convert light energy into electricity, so that the current flow from one side to the other, the general can be issued equivalent to 10 to 20% of the received light energy. In general, the stronger the light, the more electricity is generated. Its working principle is based on the semiconductor PN junction of the photovoltaic effect. The so-called photodynamic effect is when the object by the light, the object within the charge distribution of the state of the electromotive force and current generated an effect.

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