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: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;
Q:Installation and maintenance of photovoltaic grid - connected inverter
Before making an electrical connection, be sure to use the opaque material to cover or disconnect the PV panel. Exposure to sunlight, photovoltaic arrays will produce dangerous voltages. All installation operations must be done only by qualified technicians.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid 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 that have a low-pressure through the ability to do PQ adjustment.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit
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.
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?
Grid simulator: analog power grid, normal and abnormal conditions, overvoltage, undervoltage, over frequency, under frequency, sudden power failure, etc.
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:Is the PV inverter a current source or a voltage source?
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.
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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