Grid-tied solar PV Inverter 20000TL Flexible and Economical System Solution

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10 unit
Supply Capability:
10000 unit/month

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Product Description:

High-yield

·Max98.2% efficiency

·Realtime precise MPPT algorithm for max harvest

·Wideinput voltage operation range from 250V to 960V

Allin one. Flexible and economical system solution

·DCswitch(option)

·DCsurge protection device(option)

·ACsurge protection device(option)

·Built-inPV Combiner(option)

·Powermanagement unit

·Optimumselection for big PV plants, commercial buildings...

Lowmaintenance cost

·Detachablecover for easy installation

·Rust-freealuminum covers

·Flexiblemonitoring solution

·Multifunction relay can be configured to show various inverter information

Intelligentgrid management

·LVRTsupport

·Reactivepower adjustable

·Selfpower reducer whenover frequency

·Remoteactive/reactive power limit control

Technical  Data

SOFAR 10000TL

SOFAR 15000TL

SOFAR 17000TL

SOFAR 20000TL

Input  (DC)

Max.  Input Power

10400W

15600W

17700W

20800W

Max. DC  power for single MPPT

6750(450V-850V)

10500(500V-850V)

10500(500V-850V)

12000(500V-850V)

Number of  independent MPPT

2

Number  of DC inputs

2 for each  MPPT

3 for  each MPPT

Max.  Input Voltage

1000V

Start-up  input voltage

350V(+/-1V)

Rated  input voltage

600V

Operating  input voltage range

250V-960V

MPPT  voltage range

350V-850V

370V-850V

420V-850V

430V-850V

Max.  Input current per MPPT

15A/15A

21A/21A

21A/21A

24A/24A

Input  short circuit current per MPPT

20A

27A

27A

30A

Output(AC)

Rated  power(@230V,50Hz)

10000VA

15000VA

17000VA

20000VA

Max. AC  power

10000VA

15000VA

17000VA

20000VA

Nominal  AC voltage

3/N/PE,  220/380

3/N/PE,  230/400

3/N/03,  240/415

Nominal  AC voltage range

184V-276V

Grid  frequency range

50Hz,  +/-5Hz

Active  power adjustable range

0~100%

Max.  Output Current

15A

22A

25A

29A

THDi

<3%

Power  Factor

1(Adjustable  +/-0.8)

Performance

Max  efficiency

98.2%

Weighted  eff.(EU/CEC)

97.6%/97.8%

97.9%/98%

97.9%/98%

98%/98.1%

Self-consumption  at night

<1W

Feed-in  start power

45W

MPPT  efficiency

>99.5%

Protection

DC  reverse polarity protection

Yes

DC  switch

Optional

Protection  class/overvoltage category

I/III

Input/output  SPD(II)

Optional

Safety  Protection

Anti-islanding,  RCMU, Ground fault monitoring

Certification

CE, CGC,  AS4777, AS3100, VDE 4105, C10-C11, G59(more available on request)

Communication

Power  management unit

According  to certification and request

Standard  Communication Mode

RS485,  Wifi(optional), Multi-function relay

Operation  Data Storage

25 years

General  data

Ambient  temperature range

-25℃ ~ +60℃

Topology

Transformerless

Degree  of protection

IP65

Allowable  relative humidity range

0 ~ 95%  no condensing

Max.  Operating Altitude

2000m

Noise

<45dB

Weight

45kg

45kg

48kg

48kg

Cooling

Nature

Fan

Fan

Fan

Dimension

707×492×240mm

Warranty

5 years

FAQ

  • Where can I buy your products?

You could find our products from dealers or contact our sales team directly. We will provide you with detailed services.

  • How to contact us?

Contact details can be found from website www.okorder.com to contact us. We look forward to providing you with professional services.

  • What is the application field of your products?

They can be used in the small photovoltaic (PV) grid power generation systems of family units as well as the commercial photovoltaic system such as BIPV, BAPV and etc.

  • What kinds of modules do your inventers support?

Our inventers support most of mainstream components and modules in the market. Should you require more details, please do not hesitate to contact our technical personnel.

 

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Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
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 grid inverter is a current source, the output voltage is basically the grid voltage, may be slightly raised.
Q:What is the difference between a PV inverter and a solar inverter?
The main function of photovoltaic grid-connected inverter is to convert the DC power of the solar PV module into the same frequency as the sinusoidal AC power of the grid (the grid is generally AC power grid, DC can not be directly connected)
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
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 difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter does not need energy storage, but the energy can not be controlled, the number of photovoltaic sent to send online how much, simply do not want people to.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
Which depends on the grid inverter in the absence of the grid there is no independent operation of the function of the general grid inverter is the current type, only responsible for the power to the grid, the voltage is maintained by the grid,
Q:What is the PV inverter starting voltage
The inverter not only has the function of direct current conversion, but also has the function of maximizing the performance of the solar cell and the system fault protection function. (With grid system), automatic voltage adjustment function (for network connection), DC detection function (for network connection), DC grounding detection (for network connection), automatic power control function Function (for grid connection). Here is a brief introduction to automatic operation and shutdown function and maximum power tracking control function.
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: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
Part of the distributed grid-connected projects, the basic are "spontaneous use, the power of the Internet," these do not need to boost, because the extra power is actually consumed by the surrounding electricity users, do not boost to a Level power grid;

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