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: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: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: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:How the output voltage of the PV inverter and the grid-connected voltage are determined
supply through the cable to the battery. The use of household appliances connected to the power converter output can be used in the car a variety of electrical appliances. The available electrical appliances are: mobile phones, laptops, digital cameras, cameras, lights, electric razors, CD players, game consoles, handheld computers, power tools, car refrigerators and various tourism, camping, medical emergency appliances Wait.
Q:PV grid-connected inverter can directly load it?
TL5001 operating voltage range of 3.6 ~ 40V, its internal with an error amplifier, a regulator, oscillator, a dead zone control PWM generator, low voltage protection circuit and short circuit protection circuit
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
And you said that the independent inverter, said off-grid inverter it, this inverter can not access the mains, the components of the electricity through the off-grid inverter to the battery charge, the battery at night
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: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: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
Unless the power is not issued for their own use, is to be sent to other areas, it needs to boost, such as the western region of those large power stations
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
, This method is simple to design, easy maintenance, but also for the power grid harmonics smaller, good power quality!

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