Poly Solar Panel for Solar System 245W-270W

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 270 Number of Cells(pieces): 60

Product Description:

Poly Solar Panel for Solar System 245W-270W


CNBM is a high-technology enterprise which specially engaged in solar products development, production, sales and service. The range of our products includes solar cell series, solar module series and solar system from 100w-100kw.  We focus on establishing, equipped with advanced electronic equipment, backed by experienced technical support and professional high-quality managers. 

 

CNBM solar products meet with great favor of customers at home and abroad. We enjoy a good reputation from our customers for high quality, competitive price, prompt delivery and best service. There is a stream of developing, producing and marketing elite, who are full of experience of solar products research and development. They hold professional service and customers’ contentment as their aim, and take high efficiency, excellence, and top quality as the highest mission. 



Itemphotovolatic panel
Solar cells :

Poly-Crysalline 156×156mm

60pcs.(6×10) ---3 bus bars

Max-power245Wp250Wp255Wp260Wp265Wp270Wp
Power Tollerance0 to +6W
Voltage at Pmax (Vmp)30.7V30.9V31.1V31.3V31.5V31.7V
Current at Pmax(Imp)7.98A8.09A8.17A8.20A8.31A8.41A
Open-Circuit Voltage(Voc)37.5V37.7V37.9V38.2V38.4V38.7V
Short-Circuit Current(Isc)8.58A8.76A8.87A8.97A8.99A9.10A
Maximum system voltage(VDC)1000(IEC), 600(UL)                                                                                               
Cell Efficiency17.0%17.3%17.6%17.6%18.0%18.3%
Moudule Efficiency15.00%15.40%15.70%16.00%16.30%16.60%
No. of Bypass Diodes (pcs.)3
Max. Seriex Fues(A)12A
Temperature coefficients of Pmax-0.45%/ ℃
Temperature coefficients of Voc-0.34%/ ℃
Temperature coefficients of Isc0.05%/ ℃
Nominal Operating Cell Temperature45±2℃
PS*STC Conditions (1000W/m*m ; 1.5 AM and 25℃ Cell temperature)

We have different model, size and power

50W, 100W, 250W, 300W, and any thing customized.

We have a wild range of successful project all over the world.

 

We have advanced, mature and stable supply production line. Support your request on solar market.


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Q:Why can not the solar panel load directly?
Solar panels because of low power, and the output voltage is extremely unstable, not suitable for load.
Q:Solar panels single crystal and double crystal in the rain which is easy to use
Polycrystalline silicon solar cell production process and monocrystalline silicon solar cell almost, but the polysilicon solar cell photoelectric conversion efficiency will have to reduce a lot of its photoelectric conversion efficiency of about 12% (July 1, 2004 Japan Sharp market efficiency of 14.8% Of the world 's most efficient polysilicon solar cells).
Q:What is the working principle of solar panels?
the inorganic salts such as gallium arsenide Ⅲ-Ⅴ compounds, cadmium sulfide, copper indium selenium and other multi-compounds as the material of the battery;
Q:What is the main material for making solar panels?
The correct name of solar panels is solar photovoltaic panels, making its main material is monocrystalline silicon or polysilicon silicon, monocrystalline silicon silicon chip more crystalline silicon wafer photoelectric conversion rate is high, the price is also more expensive silicon wafer.
Q:Can cold light make solar panels power
Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
Q:What is the principle of solar panels to convert solar energy into electricity?
When the light is irradiated on the surface of the solar cell, a part of the photon is absorbed by the silicon material; the energy of the photon is transferred to the silicon atom, so that the electrons are moved and the free electrons are formed on both sides of the P-N junction to form a potential difference. When the circuit is used, the current will flow through the external circuit to produce a certain output power. The essence of this process is the process of converting the energy of the photon into electrical energy.
Q:Can solar panels be connected directly to motor?
The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region. The electrons flow from the p region to the n region, and the current is formed after the circuit is turned on.
Q:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
Q:What is the principle and structure of solar panels?
Solar power generation system consists of solar cells, solar controllers, batteries (group) composition. If the output power is AC 220V or 110V, also need to configure the inverter. The role of each part is
Q:How many solar panels have ah?
Classification of solar cells: Currently on the market of solar cells into amorphous silicon and crystalline silicon. Crystalline silicon can be divided into polysilicon and monocrystalline silicon. From the photoelectric conversion efficiency of the three materials is: monocrystalline silicon (up to 17%)> polysilicon (12 ~ 15%)> amorphous silicon (about 5%).

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