• Roof for Solar Panels:250W Solar Module Panel with Full Certificate System 1
  • Roof for Solar Panels:250W Solar Module Panel with Full Certificate System 2
Roof for Solar Panels:250W Solar Module Panel with Full Certificate

Roof for Solar Panels:250W Solar Module Panel with Full Certificate

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2600 watt
Supply Capability:
26000 watt/month

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Specification

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

Product Description:

 

1.Structure of Solar Module Description

Solar panel refers either to a solar hot water panel, a common type of a solar thermal collector, or to one or more solar photovoltaics (PV) modules, electrically connected and mounted on a supporting structure.

A PV module is a packaged, connected assembly of typically 6×10 solar cells. Solar PV panels constitute the solar array of a photovoltaic systemthat generates and supplies solar electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.

2.Main Features of the Solar Module

 1).High conversion efficiencies resulting in superior power output performance.

 2).Outstanding power output even in low light or high temperature conditions

 3).Optimized design for ease of soldering and lamination

 4).Long-term stability,reliability and performance

GENERAL INFORMATION

The installation of PV modules requires a great degree of skill and should only be performed by a qualified licensed professional, including licensed contractors and licensed electricians. Please be aware that there is a serious risk of various types of injury occurring during the installation including the risk of electric shock. All CUSTOMER modules are equipped with a permanently attached junction terminal box that will accept variety of wiring applications or with a special cable assembly for ease of installation, and they do not require assembly.


 

SOLAR PANELS,SOLAR PANE 250W SOLAR MODULE PANEL WITH FULL CERTIFICATE

GENERAL SAFETY

1.    Consult local codes and other applicable laws concerning required permits on regulations concerning installation and inspection requirements.

2.    Before installation a PV module, contact appropriate authorities to determine permit, installation and inspection requirements that should be followed.

3.    Install PV modules and ground frames in accordance with applicable rules and regulations

4.    PV modules should be installed and maintained by qualified personnel. Only installer/service personnel should have access to the PV module installation site.

5.    No matter where the PV modules are installed, either roof mounted construction or any other type of structures above the ground, appropriate safety practices should be followed and required safety equipment should be used in order to avoid possible safety hazards. Note that the installation of some PV modules on roofs may require the addition of fireproofing, depending on local building / fire codes.

6.    Please use PV modules with same cell size within series.

7.    Follow all safety precautions of other components used in the system.

8.    In order to avoid a risk of injury or electrical shock, do not allow anyone to approach the PV module if the person has little knowledge on PV module or on the measures that should be taken when PV modules are damaged.

9.   Do not clean the glass surface with chemicals. Do not let water stay on the glass surface of PV modules for a long time. This creates a risk of white efflorescence(glass disease) which may result in the deterioration of energy generation.

10. Do not clean the glass surface with chemicals. Do not let water stay on the glass surface of PV modules for a long time. This creates a risk of white efflorescence ( glass disease ) which may result in the deterioration of energy generation.

11.  Do not install the PV module horizontally. It may cause dirt or white efflorescence (glass disease) due to water.

12.  Do not cover the water drain holes of the frame. There is a risk of frost damage when the frame is filled with water copulation.

13.  When sliding snow load has to be considered, an appropriate measure has to be taken so that PV module frames on lower edge of PV modules will not be damaged.

14.  Do not expose PV module to sunlight concentrated with mirrors, lenses or similar means.

15.  Turn off inverters and circuit breakers immediately, should a problem occur.

16.  In case the glass surface of a PV module is broken, wear goggles and tape the glass to keep the broken pieces in place.

17.  A defective PV module may generate power ever if it is removed from the system. It may be dangerous to handle the PV module while exposed to sunlight. Place a defective PV module in a carton so PV cells are completely shaded.

18.  In case of series connection , the maximum open circuit voltage must not be greater than the specified maximum system voltage. The voltage is proportional to the number of series. In case of parallel connection, please be sure to take proper measure to block the reverse current flow. The current may easily flow in a reverse direction.


Q:what parts and tool do i need to build and connect a solar electric panel to my home
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Q:I'm doing a science fair experiment with a tiny two-inch solar panel that only gives off like .5 volts of energy, but I need to know how many volts an average sized solar panel (like one you'd get to run your house) would produce. And how many panels do people usually get?
You should read up on the different electrical units. You say .5 volts of energy, but this makes little sense. Energy is measured in Joules. Power in Watts. Solar panels will produce different voltages and currents, depending on the amount and angle of sunlight hitting them. Power = volts * amps. Before installing solar panels a home owner should do an energy audit to find out how much power they currently use - and how much that could be reduced with some easy changes. Solar panels are expensive, so it makes sense to reduce the amount that you need to install. In some places you can sell extra power back to your utility - so having extra panels might give you some small amount of money back - but this is rarely enough to justify the cost of the extra panels. I put 28 panels on my house (see picture in source URL). My utility has tiered pricing for electricity (first few kWh each month are cheap, but price for extra ones goes up in stages). My panels keep me from having to pay the higher rates.
Q:How long does it take to install solar panels?
The installation time of solar panels can vary depending on various factors such as the size of the system, complexity of the installation, and the availability of resources. On average, a residential solar panel installation can take anywhere between one to three days. However, larger or more intricate installations may require a longer timeframe. It is best to consult with a professional solar installer to get a more accurate estimate based on your specific requirements.
Q:How do solar panels affect the property's branding and marketing?
Solar panels can positively impact a property's branding and marketing by showcasing its commitment to sustainability and environmental responsibility. By highlighting the use of clean and renewable energy sources, solar panels can attract environmentally conscious consumers and contribute to a positive brand image. Additionally, the reduced reliance on traditional energy sources can lead to cost savings, which can be highlighted in marketing materials and further enhance the property's attractiveness to potential customers.
Q:I am in the market for buying a home. There is one for salke that actually has solar panels on top. How are they used? Do you need to pay for gas and electric still. Does it really light up the house and keep it warm. WHat about the AC keeping hte house cool in the summer does it work for that too? Please explain in solar for dummy terms. I haveno clue about solar panels other thatn the fact that it needs sunlight to run.
Okay--here it is (without the techie buzzwords!) Solar power has a start up cost--the panels and related equipment. But the amount it cost to operate is virtually zero--pretty much jsut servicing th equipment o keep it working properly--much as you do any other appliance. How much electricity you will still have to buy depends on four things: a) how much your system can produce. If you have a 4000 watt system, you'll still buy a fair amount of power. Abigger one--and you will need less from the power company b) how efficient you (your home and appliances are). The more efficient, the less electricity you use. Obviously, things lie CFL bulbs are very helpful here c) Are you willing to invest in a battery storage system to store electricity from the system for use at night? Right now, that's still pricey. But these are starting to come on th emarket more. If you aren't ready to do tha tnow, you can always add it in later. d) can you sell excess power back to the power company.? In California, the law requires utilities to do this--but its not a universal yet, so it depends on where you are. How this works: you are still hooked up to the power company. Any time you need more power than the solar system produces, yur system jst draws it off the power grid--jsut as always. But--any time you are using LESS than the amount of power your system is producing, the excess automatically feeeds back into the electric grid and a special peter credits you with the power. There are cases wwhere people have goene on a long vacation in California and when they got home, the power company owed them several hundred dollars! You'll need to do some research, price thngs, take your own lifestyle into account, and decide what the best choices for you are. It sounds complicated--and to an extent it is. But the reason is tha tyou have a lot of choices tha tyou can make work to your advantage, instead of jsut writing a fat check to the power company every month!
Q:Do solar panels require direct sunlight to work?
No, solar panels do not require direct sunlight to work. They can still generate electricity from diffused or indirect sunlight.
Q:Well I was thinking about the idea of renovating either a smaller school bus or building a tiny house and I was wondering if i can get some information on the size and watts panel should I use or more like how to get that whole solar energy in motion. Any infor and links would help
I think that typical solar panels are 2'x4' and produce something like 800-000 wh per day. (That's 0.8 - kwh per day.) More in the summer, less in the winter, if they're aimed sort of at the sun. There are newer, more expensive panels that produce more. There are also thin film panels that are less expensive, and probably more sturdy. You then have a couple choices. In a house, you'd have an expensive inverter to connect to the utility power, so you can have power at night when your panels aren't generating anything. In a trailer, you want 2-4-6 deep cycle car batteries to store the power. Then you could have an inverter to convert that power to 20v AC, so you could use normal appliances. Or, you could buy appliances that run on 2 volts DC. Maybe a combination of both. You'll need to figure out how much power you're going to use, so you know how many panels and batteries you're going to need. The calculation is easy. Figuring out how much power you need is hard. You need deep cycle batteries because you can repeatedly charge them way up and run them way down. Ordinary batteries die fairly quickly when you do that.
Q:Can solar panels be used in areas with high levels of sand or dust deposition?
Yes, solar panels can be used in areas with high levels of sand or dust deposition. However, the accumulation of sand or dust on the surface of the panels can reduce their efficiency over time. Regular cleaning and maintenance are necessary to ensure optimal performance in such environments. Additionally, certain design features, such as tilt angles and surface coatings, can be incorporated to minimize the impact of sand or dust deposition on solar panel efficiency.
Q:Can solar panels be installed in areas with heavy snowfall?
Yes, solar panels can be installed in areas with heavy snowfall. However, proper installation, design, and maintenance considerations are essential to ensure their effectiveness. Snow accumulation can temporarily reduce solar panel output, but the panels are typically designed to be slanted, allowing the snow to slide off. Additionally, advancements in technology, such as snow-clearing systems and anti-reflective coatings, can further enhance solar panel efficiency in snowy conditions.
Q:if you know the area of the panel can u calculate for the wattage or voltage of the panel..
You need to know how many solar cells are in the panel and what is the rated current each cell will produce. This information should be listed on the panel. Each cell will produce from 0.5 to 0.55 volts DC per cell and each cell will produce a current that is dependent on the size of the cell and the type of material the cell is made from. If the cells are connected in series then the voltage of each cell will add together, that is if you have 30 cells connected in series they should generate about 5 to 6.5 volts DC. If each cell generates .2 amps, then you multiply the voltage of 5 volts DC times .2 amps DC equals 8 watts of power. The current of each cell does not add together when you connect the cells in series only the voltage of each cell. If you connect the 30 cells in parallel then the current of each cell adds together but the voltage of each cell does not. That is 0.5 Volts DC times 36 amps equals 8 watts. The power (watts) produced will be the same. See our blog on the products page to see how to connect solar cells in series and in parallel. We also have a PDF file of solar cells and their rated output current sorted by watts per area and their manufacturer.

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