• Caterpillar Polycrystalline Solar Panels 290W High Efficiency System 1
  • Caterpillar Polycrystalline Solar Panels 290W High Efficiency System 2
Caterpillar Polycrystalline Solar Panels 290W High Efficiency

Caterpillar Polycrystalline Solar Panels 290W High Efficiency

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 watt
Supply Capability:
1000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
290
Number of Cells(pieces):
72

Introduction of  Poly solar panels CNBM

Polycrystalline  Solar Panels 290W With High Efficiency

CNBM Solar photovoltaic (PV) Panel is designed for large electrical power requirements. It is the optimal choice for both on-grid and off-grid power systems. CNBM Solar panel offers high performance of power per square foot of solar array. Monocrystalline silicon(c-Si): often made using the Czochralski process. Single-crystal wafer cells tend to be expensive, and because they are cut from cylindrical ingots, do not completely cover a square solar cell module without a substantial waste of refined silicon. Hence most c-Si panels have uncovered gaps at the four corners of the cells.

 Polycrystalline  Solar Panels 290W With High Efficiency

Feature

1.Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.

2.Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.

3.EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.

4.Long lifetime: ≥25 years; Less power decrease.

5.Resisting moisture and etching effectively, not effected by geology.

6.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.

 

Specification

Characteristics of  Poly solar panels CNBM

Max Power Voltage Vmp(V) 

30.3

30.8

31.1

31.4

31.85

Max Power Current Imp(A)

7.60

7.64

7.73

7.81

7.85

Open Circuit Voltage Voc(V)

36.1

36.6

37

37.3

37.68

Short Circuit Current Isc(A)

8.50

8.55

8.65

8.75

8.85

Max Power Pm(W)

230W

235W

240W

245W

250W

 

Temperature Coefficient of Cells Poly solar panels CNBM

NOCT 

45 ± 2

Temperature Coeffucients of Isc (%/)

 0.0492

Temperature Coeffucients of Voc (%/)

-0.3374

Temperature Coeffucients of Voc (%/)

-0.4677

 

Mechanical Data of Poly solar panels CNBM

Dimension 

1638 ×  982 × 40 mm

Weight

19.5 kg

No. of Cells and Connections

60 (6 ×10)

Tolerance

0 ~ + 5 W

Cell

Monocrystalline Cell 156 × 156 mm

Packing

624 Pcs/40ft(H) Container

 

Limits of Poly solar panels CNBM

Operating Temperature

-40 to +85

Storage Temperature

-40 to +85

Max System Voltage 

1000VDC(IEC) / 600VDC(UL)

 

Guarantees of Poly solar panels CNBM

Products Guarantee

12 yrs free from defects in materials and workmanship

Performance Guarantee

No less than 90% within 10yrs and no less than 80% within 25yrs

Certificates 

TUV(IEC61215&IEC61730),VDE(IEC61215&IEC61730),UL,CE

 

Packaging Information

Package:26pcs/box

Quantity:1 box/pallent

Loading Capacity:952pcs/40ft

Q: I'm re-doing my roof. Is it workable?Can I get a government grant or something to put solar panels on my roof?I know they did something like that for windows.
solar panels take about 5 to 20 yrs to break even. for the average home
Q: The average solar panel produces 0% of the energy that is put into it. What is happening to the other 90%? Is it being reflected or is it being obsorbed by materials that are not a part of the solar cell? Is it possible to one day have near 00% efficient solar cell technology?
Sunlight comes in many frequencies, that's why it's white. Solar Photovoltaics require a photon to displace an electron from a semiconductor and that only happens at one frequency depending on what the semiconductor material is, therefore only one exact frequency gets turned into power. They are working on using organic dyes or quantum dots to absorb the energy in different frequencies and re-emit the energy in the desired frequency. They also are working on using multiple semiconductor materials to try and capture more frequencies. The rest of the energy becomes heat which also reduces the efficiency of the solar cells. The lab record for solar photovoltaics is 42.8% efficiency and quantum dots promises to be 65% to 75% efficient. Keep in mind that fossil fuels are based on energy collected by photosynthesis over millions of years. The efficiency of photosynthesis with modern plants is about 0.5% and the theoretical maximum efficiency of photosynthesis is 6.6%. All of our current energy use is based upon a small fraction of 0.5% efficiency over millions of years.
Q: What is the principle of solar panels to convert solar energy into electricity?
optical cable communication pump Station power, seawater desalination system, urban road signs, highway signs, etc. Europe and the United States and other advanced countries will be integrated into the photovoltaic power generation system and remote areas of natural village power supply system into the development of the combination of solar cells and building systems have been formed industry Trends
Q: Can solar panels be used to heat water?
Yes, solar panels can be used to heat water. Solar thermal systems, also known as solar water heaters, use sunlight to heat water and are more efficient at heating water compared to using solar panels for electricity generation. These systems capture the sun's energy and transfer it to a fluid, which then heats the water for various applications such as domestic use, swimming pools, and commercial purposes.
Q: Can solar panels be installed on concert venues or music festivals?
Yes, solar panels can be installed on concert venues or music festivals. In fact, many event organizers are increasingly adopting solar energy to power their events, reducing their carbon footprint and promoting sustainability. Solar panels can be installed on rooftops, parking lots, or even as temporary structures to generate clean and renewable energy for the venue's electricity needs.
Q: What is the impact of roof material on solar panels' performance?
The impact of roof material on solar panels' performance can be significant. The type of roof material can affect the amount of sunlight that reaches the panels, as some materials may reflect or absorb more sunlight than others. Additionally, certain roof materials may generate more heat, which can lead to a decrease in the efficiency of the solar panels. Choosing the right roof material, such as those with good heat dissipation properties and low reflectivity, can help maximize the performance and output of solar panels.
Q: Do solar panels work at night?
No, solar panels do not work at night as they require sunlight to generate electricity.
Q: Is it possible for the everyday person to increase the efficiency of solar panels that they own? If so, how is it done?
There are 3 (simple) ways to increase the efficiency of a solar panel at home - they all work by increasing the amount of light that falls onto it: . Have the solar panel track the sun throughout the day so that it always faces it; 2. Place a lens (larger than the panel) in front of the panel that focuses the light from the sun onto it. 3. Have mirrors around the panel than redirect light from themselves onto the solar panel. (e.g. imagine a satellite dish with the solar panel at the front and the dish being all mirrored.)
Q: I purchased some small 3.6 v 70mA solar panels online. I have no experience with solar panels. I am confident of the layout of the parallel circuit I want to create, however I don't know how to properly connect the tabs that come from the sides of the panels. Any help on connecting them?
You must connect solar cells the same way you would connect a couple of batteries, in series. And you cannot connect any form of voltage source in parallel to one another, this doesn't work, if you need a specific drop in voltage from the cell, use a voltage regulator and some capacitors. Hope I helped.
Q: I live in the UK, I have no savings (so would have to take out a loan of about ?8000), I don't know how long I plan to stay in my house, I might want to move in a year or two to take advantage of a better job so I want to keep the option open of being able to sell my house without having to pay off the cost of having the panels fitted (which I probably won't get back on the increased value they add to my house).What are the main advantages of having solar panels?What are the pitfalls the ever so eager cold callers with quotas to fill don't tell you about?Basically is it worth having them?Thankyou.
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