Potable CNBM Poly Crystalline Solar PV Modules 250W
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100000 watt
- Supply Capability:
- 10000000 watt/month
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Specification
About us
CNBM International Corp, established in 2004, is the business entity for trade and logistic of CNBM Group.With the advantages in Cement, Composite Materials, New Building Materials and Engineering, CNBM mainly concentrate on coal, steel and construction equipments and give priority to solar and wind energy development.CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.
Poly Crystalline PV Modules 250W
SIZE:1640*992*40mm
Weight:19.5kg
Grouding
All PV models must be grounded by electrical connection of the module frames to ground. Please be careful in arranging the system ground so that the removal of one module from the circuit will not interrupt the grounding of any other modules.
The modules should be grounded to the same electrical point as described below.
Each PV module has a hole on the side frame of either a bolt, nut and washer grounding the module to the frame, a ground lug fastened by bolt or screw, or appropriate screw(hardware not provided).An example of acceptable ground connection using a bolt, nut and washer retaining a ground lug is shown in figure 3,in a connection of this type, the hardware(such as a toothed locked washer/star washer) must score the frame surface to make positive electrical contact with the frame. The ground wire must be considered within the requirement of local and regulation at the site of installation.
FAQ
1. How long will my inquiry get response?
Your inquiry related to our products or prices will be replied within 24 hours.
2. Can I get professional service and suggestion?
Well-trained and experienced staffs to answer all your questions in fluent English.
3. Do you accept OEM or customized design?
OEM & ODM, any your customized lightings we can help you to design and put into product.
4. What if I need specific design?
Distributorship are offered for your unique design and some our current models.
- Q: Where can I find updated info about solar panels for home?
- I am a solar consultant within the state of South Carolina. I can answer questions and provide you with links that may help in decision making. Let me know.
- Q: Science homework! I need to explain how a solar panel works and draw a Sankey Diagram for the solar panel, can anyone show me a sankey diagram for a solar panel or explain how a solar panel works?? ILL GIVE U BEST ANSWER IF U HELP WITH BOTH =]
- Build okorder /
- Q: Can solar panels be installed on commercial buildings?
- Yes, solar panels can be installed on commercial buildings. In fact, many businesses and organizations are increasingly opting for solar panel installations to reduce their energy costs and environmental impact. By harnessing sunlight and converting it into electricity, solar panels provide a sustainable and renewable source of power for commercial operations.
- Q: Photosynthesis is fairly inefficient, but efficient enough to power all life on earth.
- Si is a neutral semiconductor, and, when combined with the other metals in the solar panel, it the panel polarizes, and releases electrons form one end, and accepts them back at the other. Like a water pump. Mg is not the major ingredient because it doesn't have the easily altered semiconductor properties Si does. To put it simply, Si is easier to work with.
- Q: Solar panels would change the world if they were widely available to us especially cheap, it will be worth it in the long end. Money would be saved like housands a year per person on utility costs.
- Down the drain. That money is gone. Just more wasted money the government writes off and then tries to raise taxes to pay for.
- Q: I have a solar panel, charge regulator, inverter....is that all I need to tie it into my grid? Do I just plug the solar panel into the charge regulator into the inverter into any 0v outlet? I feel like im missing something....
- No don't do that unless you want a fire or worse electricution . DO NOT PLUG INTO THE WALL . st solar panel 2nd regulator 3rd 2 volt battery 4th inverter . The inverter should have 0 volt terminals that look like the plug on the wall . You would plug your TV or light into that the inverter . You would need an electrition to hook into your home electrical system . They will hook up a device made to tie into the grid or your meter that will make it run backwards but it takes alot of solar panels too do that . Please do not plug into wall .
- Q: Monocrystalline panels are sooo expensive! Thanks for reading.
- Since you are asking for a rather technical answer you should be aware that solar panels come in several varieties. Two broad categories are photovoltaic panels which have achieved marketable efficiencies of around 24% and solar thermal panels which are routinely achieving efficiencies of between 60 to 80% while they are also much cheaper than photovoltaic panels. So the short answer is solar thermal panels. But what can you do with solar thermal energy. The answer is just about everything you can do with light energy. Sometimes additional equipment makes the efficiency drop to near that of photovoltaic panels. The trick is to keep the devices as simple and as efficient as possible. Solar thermal can of course be used to heat our homes. But it can also be used directly for air conditioning. The type of air conditioner uses a slightly different principal but it is one of the oldest that was once used in ice houses before refrigerators. It is known as an absorption system. At some point you may want to make electricity from the sun's heat. The most efficient commercial systems are not photovoltaic but solar thermal. There are several commercial systems where increased scale improves efficiency. The most efficient is a solar parabolic dish system combined with a stirling engine. At around 30% efficiency it beats photovoltaic and other thermal systems. At this level of commercial development, the various systems are more often described as solar collectors rather than panels.
- Q: Green issues aside, are solar panels worth it, monetarily speaking?I don't mean that my house might be worth more or any of that. All I am asking is this: if I invest in a set of solar panels, will the cost be paid back to me over time? If so, how long will it takegt;Take into account the following:. Currently I pay the electric company around $00 per month2. I use around 400 kilowats of energy per monthI realize that exact numbers are hard to come by, but any opinions are welcome.
- There are several factors to consider when looking into solar power for your house. If you want to replace your use of utility electricity with solar power for say a 500 - 2000 square foot home then the system will cost you at least $30000 - $50000 to install. You will also have the maintenance issue of your storage batteries, panels, and inverter which will eventually wear out over time. So lets say we have an optimistic price of $30000 for a whole house system (this would be really cheap), dividing this by your yearly consumption would give you the amount of years it would take for the expenditure to pay for itself (not counting maintenance which could be costly). The payoff would be about 25 years, so all things remaining equal, I would say that it is a bad investment. Solar panels as they are manufactured today do not have a very long life span. They will greatly decrease in efficiency after several years and will most likely need to be replaced in 0 years. The panels themselves are the greatest expense. You could problably find better ways to make/save more money by investing $30000 - $50000 somewhere else IMHO. Solar technology is still not at the point where it is profitable in the sense you are thinking about. Unless of course, there are huge tax incentives for you or large rebate programs through your local utility, but you would have to do the math on that as well. If you are thinking small as in a couple panels to supplement your utility electric, the above still applies as well. In fact will it take longer to recoup the cost of a smaller setup. Hope this helps!
- Q: I have a building company in UK and am interested in becoming a solar panel installation contractor
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- Q: How do solar panels affect the overall air quality of a building?
- Solar panels have a positive impact on the overall air quality of a building. By generating electricity from sunlight, they reduce the reliance on fossil fuels, which are major contributors to air pollution. This means that the emissions of harmful pollutants, such as carbon dioxide and nitrogen oxides, are significantly reduced. Therefore, solar panels help to improve the air quality by promoting cleaner and healthier environments.
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Potable CNBM Poly Crystalline Solar PV Modules 250W
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100000 watt
- Supply Capability:
- 10000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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