Solar Photovoltaic Grid-Connected Inverter SG3K6TL-S

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1. Structure of Solar Photovoltaic Grid-Connected Inverter SG3K6TL-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 Solar Photovoltaic Grid-Connected Inverter SG3K6TL-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. Solar Photovoltaic Grid-Connected Inverter SG3K6TL-S Images

 

 

 

 

4. Solar Photovoltaic Grid-Connected Inverter SG3K6TL-S Specification

Input Side Data

 

Max. PV input power

3900W

Max. PV input voltage

600V

Startup voltage

150V

Nominal input voltage

345V

MPP voltage range

125~560V

MPP voltage range for nominal power

220~520V

No. of MPPTs

1

Max. number of PV strings per MPPT

2

Max. PV input current

18A

Max. current for input connector

20A 

Output Side Data

 

Nominal AC output power

3680W

Max AC output powerPF=1

3680W

Max. AC output apparent power

3680VA

Max. AC output current

16.0A

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

97.50%

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,G83/2,

C10/11,EN50438,CGC

Mechanical Data

 

Dimensions (W×H×D)

300*370*125 mm

Mounting method

Wall bracket

Weight

9kg

 

5. FAQ of Solar Photovoltaic Grid-Connected Inverter SG3K6TL-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: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: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:PV grid-connected inverter can directly load it?
Converter is the AC voltage of the grid into a stable 12V DC output, and the inverter is the AC output of the 12V DC voltage into high-frequency high-voltage alternating current; two parts are also used with more pulse width
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
Photovoltaic grid-connected inverter is the assembly of the DC into AC power for the use of load, or do not use the load, the inverter after the AC power to the city power grid, when the electricity outage, the inverter will automatically
Q:What is the PV inverter starting voltage
sine wave becomes narrower and the voltage width in the center of the sine wave is widened and the switching element is always operated in a direction at a certain frequency in a half cycle, A pulse wave train (pseudo sine wave). Then let the pulse wave form a sine wave through a simple filter
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:After the PV inverter, how to achieve the same period before the network?
When the voltage, frequency, phase does not meet the requirements, the automatic closing closing pulse.
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:The function of photovoltaic grid - connected inverter
By dc / dc conversion to increase or decrease the input voltage, adjust its output to achieve maximum efficiency.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
The difference is that the current at low voltage and the grid is large, the current is small when the voltage is small, followed by the low voltage crossing parameter setting problem (such as PV inverter integrated with inverter and low voltage crossing function, not all photovoltaic inverter

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