PV On-Grid Inverter GSG-250KTT with High Quality

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CNBMSOLAR is a world-leading and Vertical integrated manufacturer of high-performance with Silicon,

Wafer, Cells, Modules, which convert sunlight into electricity for residential, commercial, and utility-scale

power generation.

         The capacity of CNBMSOLAR is reach to 1GW, and make sure each year our shipment capacity is more

Than 700-800MWs, at the same time, we have set up the largest solar power station with our partner

in Ukraine.

       

CNBM is a Quality + Service oriented company with“Excellence at Each Step” approach, composed of

the finest components from TUV and IEC-certified partners around the world, CNBM modules consistently

undergo a variety of trials at the company’s Test & Development Centre, ensuring peak performance

capabilities. The company is committed to develop and provide the world with clean and renewable energy

to ease the energy shortages as well as human kind’s impact on the environment.

Data:

Isolation  mode

 Frequency  transformer isolation

rated  power

 250KW

Max.  DC. input power

 275KW

Max.  input voltage

 900VDC

Max.  input current

 625A

Max.  PV parralle module number

——

recommend  PV module power

 720VDC

MPPT  range

 440850VDC

Rated  AC output power(KW)

 250KW

Max.  output power

 275KW

rated  Grid voltage(VAC)

 400/480

rated  Grid frequency(Hz)

 50/60

Max  efficiency

 97.00%

Euro  efficiency

 96.00%

Display

 Touch screen

THD

 <3%

Power  factor

 ≥0.99

MPPT  Precision

 99%

communication  interface

 RS485;RS232

electromagnetic  compatibility

 IEC61000-6-1/-2/-3/-4

grid  disruption

 IEC61000-3-2/-3

grid  detection

 DIN VDE 0126

overload  operating

 Automatically  adjust the running peak

internal  consumption at night

<80W

DC  voltage ripple

 Vpp < 10%

protection  class

 IP20outdoors

Anti-islanding  protection

 VacFac

cooling  concept

 Forced air cooling

operating  temperature range

 —20℃~55℃(>50drop

operating  humid range

 095%non-condensing

Dimensions(DxWxH)

 800×1800×2140mm

weight

 2486Kg

altitude

 6000m>3000m start to drop

 

 


PV On-Grid Inverter GSG-250KTT with High Quality

FAQ:Could you pls introduce CNBM ?

 

CNBM Group is short for China National Building Materials Group Corporation, which is established in 1984 with approval from the State Council

CNBM Group is the largest comprehensive building materials industry group in China

 

The Group has a total asset of over RMB 360 billion, more than 180,000 employees and 17  subsidiaries

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Q:After the PV inverter, how to achieve the same period before the network?
It can automatically detect the generator and the grid frequency and voltage, in the frequency, voltage, phase are in line with the requirements of the grid to set the time before the release of the closing signal, so that it can be safely and securely connected.
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: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: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: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:What are the methods of photovoltaic grid-connected inverter control
and can set the dead time between the upper and lower arms, the use of INTEL 80C196MC to achieve sine wave output circuit, 80C196MC to complete the sine wave signal, AC output voltage, to achieve regulation. Circuit output generally use LC circuit filter high frequency wave, get pure sine wave.
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?
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:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.

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