250W Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM
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- Loading Port:
- Qingdao
- Payment Terms:
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- Min Order Qty:
- 10 set
- Supply Capability:
- 300000 set/month
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Polycrystalline Solar Modules
CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.
Specifications:
Tolerance | +/-3% |
Cell | Polycrystalline silicon solar cells (156 x 156mm) |
N0. of Cells | 60 (10 x 6) |
Dimension of Modules (mm) | 1650 x 990 x 40 |
Weight (kg) | 25.5 |
Limits:
Operating Temperature | -40~+85? |
Storage Temperature | -40~+85? |
Maximum System Voltage | 1000 VDC max. |
Hail Impact | Diameter of 28mm with impact speed |
Temperature and Coefficients:
NOCT | 48C+/-2? |
Voltage temperature coefficient (%/K) | -0.35 |
Current temperature coefficient (%/K) | 0.05 |
Power temperature coefficient (%/K) | -0.45 |
Characteristics:
Model: | SGM-200P | SGM-210P | SGM-220P |
Max-power voltage Vmp (V) | 29.2 | 29.4 | 29.41 |
Max-power current Imp (A) | 6.85 | 7.14 | 7.48 |
Open-circuit voltage Voc (V) | 36.5 | 36.69 | 36.9 |
Short-Circuit Current Isc (A) | 7.28 | 7.6 | 7.93 |
Max-power Pm(W) | 200 | 210 | 220 |
Model: | SGM-230P |
Max-power voltage Vmp (V) | 29.8 |
Max-power current Imp (A) | 7.72 |
Open-circuit voltage Voc (V) | 37.31 |
Short-Circuit Current Isc (A) | 8.19 |
Max-power Pm(W) | 230 |
STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5
Poly Crystalline Solar Panels Specifications Range
Maximum Power (Pm) | Dimension | Weight | Operating Voltage (Vmp) | Operating Current (Imp) | Open Circuit Voltage (Voc) | Short Circuit Current (Isc) |
0.45W | 140x80x10mm | 0.08kg | 3.3V | 150mA | 4.6V | 160mA |
1.0W | 162x140x10mm | 0.16kg | 7.5V | 150mA | 10.3V | 160mA |
4.5W | 269x251x23mm | 0.8kg | 16.5V | 0.27A | 20.5V | 0.3A |
10W | 420.1×268.9×22.6mm | 1.92kg | 17.5V | 0.58A | 20.5V | 0.6A |
20W | 425x502x50mm | 3.0kg | 16.8V | 1.19A | 21.0V | 1.29A |
30W | 593x502x22.6mm | 3.9kg | 16.8V | 1.78A | 21.0V | 1.94A |
40W | 655x537x50mm | 5.75kg | 17.3V | 2.31A | 22.1V | 2.54A |
50W | 839x537x50mm | 6.0kg | 17.5V | 2.9A | 21.8V | 3.17A |
65W | 1111x502x50mm | 7.2kg | 17.6V | 3.69A | 22.1V | 3.99A |
80W | 1204x537x50mm | 7.7kg | 17.6V | 4.55A | 22.1V | 4.8A |
- Q:What is the impact of roof color on solar panels' performance?
- The impact of roof color on solar panels' performance is minimal. While darker roofs may absorb more heat, which could potentially increase the temperature of the solar panels and slightly decrease their efficiency, this effect is generally negated by the cooling systems and ventilation in place. The overall difference in performance due to roof color is negligible compared to other factors such as panel orientation, shading, and maintenance.
- Q:Can solar panels be installed on farmlands or agricultural fields?
- Yes, solar panels can be installed on farmlands or agricultural fields. In fact, many farmers are increasingly adopting solar energy as a way to generate additional income and reduce their reliance on traditional energy sources. By installing solar panels on farmlands, farmers can generate renewable energy while continuing to use the land for agricultural purposes. Additionally, solar panels can provide shade for crops, reducing water evaporation and enhancing plant growth.
- Q:Can solar panels be installed on sports stadiums or arenas?
- Yes, solar panels can be installed on sports stadiums or arenas. In fact, many stadiums and arenas around the world have already installed solar panels to harness clean and renewable energy. These panels can be mounted on the roof or other suitable areas of the facility, helping to offset energy consumption and reduce carbon emissions. Additionally, the large surface area of stadiums and arenas provides ample space for solar panel installation, making them ideal candidates for utilizing solar energy.
- Q:Can solar panels be installed in areas with high levels of saltwater exposure?
- Yes, solar panels can be installed in areas with high levels of saltwater exposure. However, it is important to choose solar panels that are specifically designed for these conditions and are corrosion-resistant. This may involve using materials like marine-grade aluminum or stainless steel for the panel frames, and ensuring proper sealing and coating to withstand saltwater corrosion. Regular maintenance and cleaning are also necessary to mitigate the effects of salt buildup on the panels.
- Q:are there solar panel that work without the sun?
- There cannot be a solar panel which works without sun light. But solar panels can work without sunlight. For example you would have seen the battery less calculators which work on solar power. they work in the night too with enough light coming from the bulbs in the room. So the answer to your question in yes. But for generating power we have to have a source which is free and we cannot put the panel in lighted area, which will make is not economical since the nett power obtained will be negative.
- Q:I hooked up a 2V solar panel to a small relay. The relay switches at 9V. When I have light shining on the panel it puts out aorund 3-4V, but when I hook it up directly to the relay it drops to V and doesn't switch the relay. Why? and How do I fix it?-2V Mono-Crystalline Solar Panel -JWD 7 4 reed relay
- Do you know what is the rated Peak watts of the solar cell and the current needed to operate the relay. The power needed to operate the relay can be found from 9V * operating current, and that should be lower than the peak output power of the cell (perhaps significantly less as the peak power is produced only at high solar radiation levels. Another factor is whether the curves for the solar cell match the load. Typically the solar cells have a knee type diagram for the VI relationship, and that is why they need Maximum Power Point trackers to deliver a good power output.
- Q:What size of system would I need to get if I use on average 500 kilowatt hrs a month I would like to do a tie in grid system I live in the states south central area of States any info or links to sites would be wonderful I am interested in this type of energy soure thank you
- I think if you have the land have a solar array on your land. Putting on the house could cause it to collapse! 400 kilowatts per week is a huge usage. Turn some stuff off and don't leave the entertainment stuff on standby. Fill empty spaces in your freezers with blocks of polystyrene and be sensible with usage.
- Q:Does the new horizons has a solar panel for it power resources instead using nuclear generator?
- No solar panel, and for the reason you stated - it is so far from the Sun that a solar panel would be of little use (and a lot of extra weight) at the distances where the primary part of the mission was being performed. The power source is called an RTG. We can think of it as similar to a nuclear-powered battery or a miniature nuclear power plant. As far as I know it is not intended to reach any other star. If it does, it's power will have long since depleted - and it would take thousands of years at its current speed to reach even the closest star. Closest star: Proxima Centauri, slightly more than 4 light years away. Current speed of New Horizons relative to the Sun: 4.52 km/s That's 0.000048 of the speed of light. It would take more than 20,000 years to reach Proxima Centauri *if* it were heading in that direction (which it is not).
- Q:Are there any aesthetic considerations when installing solar panels?
- Yes, there are aesthetic considerations when installing solar panels. The appearance of solar panels on a property can be a concern for some individuals, especially if they prefer a specific architectural style or want to maintain a certain visual appeal. However, advancements in solar panel design have made them more visually appealing and adaptable to different settings. Additionally, options like integrated solar panels, which blend seamlessly with roofing materials, can help minimize any visual impact. Ultimately, choosing the right solar panel design and placement can ensure a balance between functionality and aesthetic appeal.
- Q:What is the typical warranty period for solar panels?
- The typical warranty period for solar panels is around 25 years.
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250W Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 300000 set/month
OKorder Service Pledge
OKorder Financial Service
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