• SOLAR PANELS,SOLAR PANE 250W SOLAR MODULE PANEL WITH FULL CERTIFICATE System 1
  • SOLAR PANELS,SOLAR PANE 250W SOLAR MODULE PANEL WITH FULL CERTIFICATE System 2
SOLAR PANELS,SOLAR PANE 250W SOLAR MODULE PANEL WITH FULL CERTIFICATE

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

Ref Price:
get latest price
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2600 watt
Supply Capability:
26000 watt/month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Item specifice

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:I don't want to spend a fortune, maybe talking like over $200 but I would like to power my computer, the monitor, my tv, and a small fridge.I looked up the price on some but it does not make any sense to me because it says that it has reached the price of less than $ per watt but if I look up a 20 watt solar panel it is $560 dollars. Why would it not be $20 because they said $ a watt.Where would be the best place to buy the cheapest solar panels?
Today the lowest cost is more like $3 a watt. And you need to shop well to get it that cheap. The solar industry hopes to drive the cost down to $ a watt with the new thin film technology, but production volumes are still too low with that new technology for the market prices to come down. Their goal is to hit $ a watt within 5 years.
Q:i want to join multiple solar panels into a bank so i only need one length of wire, i am going to use diodes to stop them sending power back into the one before it. is this ok or do i need something else?
That depends on the product of solar panels you buy. I was recently talking to an installing company that sells solar panels that have the DC to AC built into each panel. That way you could simply string them together and add as much as you want as you can afford it. It really isn't much more expensive than any other method of install.
Q:I have two solar panels that were going to be trashed at work. I want to use them to charge batteries on my RV but i noticed they put out around 20 volts in direct sunlight. So i am wondering: -isn't this way too much voltage for a 2 volt system? -do a need some sort of a regulator connected to keep them from overcharging?
You can use them without the regulator . Just make sure you use blocking diodes so the the power does not flow back into the panels . You can get those at radio shack of some electronic store or off OKorder for a few bucks .
Q:Please tell me what they are made of and how the materials help the solar cell produce electricity. Im doing a science projects so i need help on knowing all this info. Its a debate, so i need correct information please.I will please need more information about the bad things about solar energy and solar panels. Please say what solar panels do to create pollution or do anything that is not friendly to the environment. If you want just give me a website. Thank you
image voltaic cells paintings for the period of the photoelectric effect. Incoming photons knock out electrons of the textile, which being a semiconductor helps a small ability distinction. close to to the sunlight, each and everything could be very severe (like a Van Halen gig), radiation, energetic ions, magnetic fields, the works. of direction, NASA project planners could take all those issues into consideration. i ask your self what textile maintains to be stable at 5800? ok (or perhaps it fairly is not needed), and captures all photons of all energies, to be one hundred% powerful. The link provided by making use of Snow Blossom is extremely thrilling. I do in simple terms no longer look waiting to study the secondary link Thermophotovoltaics. Edit: image voltaic Flares may well be a difficulty. they're by making use of and great unpredictable, upward push for hundreds of miles, achieving hundreds of thousands of Kelvin.
Q:Can solar panels be used in areas with high humidity or saltwater exposure?
Yes, solar panels can be used in areas with high humidity or saltwater exposure. However, the performance and longevity of the panels may be affected by these environmental factors. It is important to choose solar panels specifically designed for such conditions and regularly maintain and clean them to ensure optimal efficiency.
Q:If my school uses 88240kWh of electricity per month and I have 000 50W solar panels running for 6 hours a day, does it mean it will take 88240kWh / {{[(50W x 3600s)*000]/000}kWh x 6} number of hours to generate that much electricity (88240kWh)?
running six hours a day doesn't mean much. You need to look at the solar insulation charts for your school's geographical location to come up with a better factor. The easiest number for you to use is sun hours. For example, Washington DC averages 4.23 hours. Do a Yahoo search for sun hours and you should find lots of charts. Solar panels rated at 50W give this output at full sun near noon at full brightness (no clouds). The sun hour factor makes it easy to find the equivalent number of full brightness hours. So, using Washington DC as an example you have: 000 panels * 50W * 4.23 sunhours/day = 634kWh a day on average. You state your school uses 88240kWh/month which is 6274kWh a day. This would mean you need ten times more solar panels since there is no way to get more daylight. Be careful to put in all the units in your formula and cancel them out to make sure you don't end up with a nonsense result. The title of the question would be answered as followed: 50W/000 * 4.23 sunhours/day = 0.63kWh/day or 9kWh per month or 228kWh a year. These are annual averages. If you wanted a specific month, you would need the sun hours for that month. Hope this helps.
Q:Are there any risks of fire associated with solar panels?
Yes, there are some risks of fire associated with solar panels. While solar panels themselves do not catch fire, there have been incidents where electrical components, such as faulty wiring or inverters, have caused fires. However, the risk is relatively low and can be mitigated by proper installation, regular maintenance, and adherence to safety codes and standards.
Q:How much space is required for solar panel installation?
The amount of space required for solar panel installation can vary depending on factors such as the size and type of panels, the energy needs of the property, and the available sunlight. On average, a typical residential solar system may require anywhere from 100 to 600 square feet of roof space, but ground-mounted systems can also be an option for properties with ample land. It is best to consult with a solar installation professional to determine the specific space requirements for your particular situation.
Q:How will i construct solar panel?
The first step to planning your system is to evaluate rebate options and obtain permits. Deciding the size of your system is the next step. With a grid-tied system, size is less critical, because the grid supplies power when your PV system falls short. Systems as small as a couple hundred watts are practical, but you can also install panels that will produce enough electricity for all your needs.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

New products

Hot products


Related keywords