250w 30V PV Module for Solar System Poly Panel

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60

Product Description:

250w 30V PV Module for Solar System Poly Panel


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.


Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.

After sale:

We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.




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Q:Solar panels single crystal and double crystal in the rain which is easy to use
At present, monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest reached 24%, which is all types of solar cells in the photoelectric conversion efficiency of the highest, but the production cost is so large that it can not be a large number of extensive And commonly used. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:What is the working principle of solar panels?
Based on the above considerations, silicon is the most ideal solar cell materials, which is the main reason for solar cells to silicon-based. But with the continuous development of new materials and related technology development, to other village-based solar cells are increasingly showing attractive prospects.
Q:Can cold light make solar panels power
permanent, clean and flexible three major advantages of solar cells long life, as long as the sun exists, solar cells can be an investment and long-term use; compared with thermal power, Solar cells do not cause environmental pollution
Q:Single crystal solar panels and polycrystalline solar panels
monocrystalline silicon market share and a slight increase, and now the market to see the majority of single-crystal silicon cells. Monocrystalline silicon solar cell silicon crystal is very perfect, its optical, electrical and mechanical properties are very uniform, the color of the battery is mostly black or dark, especially for small pieces of small pieces of consumer products.
Q:What is the difference between solar panels and light panels?
Crystalline silicon cell conversion rate, rich in raw materials, is a large-scale commercial production of the battery, but the crystal silicon battery brings the harm can not be ignored. Crystal silicon series of batteries have a "three high more than a" common problem. High cost, high energy consumption, high pollution, byproducts and other shortcomings.
Q:Composition and function of solar panels
The demand for polysilicon is mainly from semiconductors and solar cells. According to the different requirements of purity, divided into electronic and solar level.
Q:Polycrystalline solar panels are good or single crystal solar energy is good
. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:The voltage and power problems of solar panels
From morning to night (with sunshine) solar panel voltage is generally relatively stable, that is basically about 30V; but the output power is always changing, sooner or later, noon; if it is good quality solar energy,
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:What is the principle of solar panels work?
optical - electrical direct conversion method is the use of photoelectric effect, the solar radiation can be directly converted into electrical energy, optical - electrical conversion of the basic device is the solar cell. The solar cell is a device that converts solar energy directly into electrical energy due to the photovoltaic effect. It is a semiconductor photodiode. When the sun shines on the photodiode, the photodiode turns the solar energy into electricity. Current. When many batteries in series or in parallel can become a relatively large output power of the solar cell array

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