Polycrystalline Silicon Solar Panels 250w

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Nanjing
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TT OR LC
Min Order Qty:
200000 watt
Supply Capability:
20000000 watt/month

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ABOUT US

We are a high-tech group wich specializes in solar products design,research, manufacture, sales,solar projects design and installation. 

Our national sales service covers seven parts, including northeast, north, east, middle, south, northwest and southwest, international sales covers five continents and over forty countries, including Germany, Italy, Spain, France, America and Brazil etc. 


INTRODUCTION

This installation Manual contains essential information for the electrical and mechanical installation that your must know before installing CUSTOMER PV modules. This also contains safety information you need to be familiar with .All the information described in this manual are the intellectual property of CNBM and based on the technologies and experiences that have been acquired and accumulated in the long history of CUSTOMER. This document does not constitute a warranty, expressed or implied.

CUSTOMER does not assume responsibility and expressly disclaims liability for loss, damage, or expense arising out of in anyway connected with installation, operation, use or maintenance of the PV modules. No responsibility is assumed by CUSTOMER for any infringement of patents or other rights of third parties that may result from use of PV module.

CUSTOMER reserves the right to make changes to the product, specifications or installation manual without prior notice.

 

COMPONENTS

 Polycrystalline Silicon Solar Panels 250w

 

SITE SELECTION

In most applications, the PV modules should be installed in location where there is no shading throughout the year. In the Northern Hemisphere, The PV modules should typically face south, and in the Southern Hemisphere, the PV modules should typically face north. Please make sure that there are no obstruction in the surroundings of the site of installation. Take proper steps in order to maintain reliability and safety, in case the PV modules are used in areas such as: Heavy snow areas/Extremely code areas/ Strong wind areas/Installation over, or near, water/ Areas where installations are prone to salt water damage (*)/Small islands or desert areas.(*)

If you are planning to use the PV modules where the salt water damage may be possible consult with CNBM local agent first to determine an appropriate installation method, or to determine whether the installation is possible?

 

TILT ANGLE

The title angle of the PV module is the measured between the PV module and a horizontal ground surface. The PV module generates the maximum output power when it faces the sun directly.

For the standalone systems with a battery where the PV modules are attached to a permanent structure , the tile angle of the PV modules should be determined to optimize the performance when the sunlight is the scarcest. In general, if the electric power generation is adequate when the sunlight is the scarcest, then the angle chosen should be adequate during the rest of the year. For grid-connected installations where the PV modules are attached to a permanent structure, it is recommended to tilt the PV module at the angle equal to the latitude of the installation site so that the power generation from the PV module will be optimum throughout the year.

 

DATA SHEET

Maximum Power

250W

Efficiency

0.154

Backsheet

White

Frame Colar

Silver

Manufacture Site

China

Frame

Anodized Aluminum Alloy

Weight

19 kg

 

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Q:Kwh and watt conversion-- solar panel cost?
I don't know how they calculate out the savings, but ask your local supplier. The expensive part of heating hot water is the initial starting of the warming of the cold water, but this is where solar panels come to play a very good role in preheating home hot water cylinders. Sometimes the water coming from the solar panels is hotter than what the hot-water cylinder thermostat is set for this is one way you save money Another equally expense of heating hot-water is when the element thermostat keeps the temperature up to the desired setting of the thermostat. Where as having a solar panel or two the hot water cylinder is only a storage container to store the hot water in! A great invention in my book! The initial costs are buying these units having them installed, but over time you will start saving money on your heating hot water costs, where you will be able to waste a bit of hot water and not worry about the costs going to waste or down the drain... I suppose you know all of this, but I'm sorry, I can't convert your conversion question, best ask the supplier to put everything in layman's terms so you can understand it better more clearly! Cheers!!
Q:How much do solar panels usually cost?
Solar panels are currently selling for between $4 and $6 per watt of rated power output. A typical panel that you might install on your roof would be rated for between 00 and 300 watts and therefore will cost between about $400 and around $500 or so. A complete solar power system also needs some other components and will have some installation costs and so the total installed cost of a solar system is typically in the range of $8 - 0 per watt of rated power. Most home sized systems are rated in the 000 to 0,000 watt range and therefore cost between about $8000 and $00,000 dollars to install. Many states offer rebates and tax savings that can reduce this cost by as much as 50%. These systems will typically generate between about $300 and $2500 worth or electricity per year. Solar panels are expected to last between 30 and 50 years and so these systems will likely generate between $9000 and $20,000 worth of electricity over their life time in current dollars. This will vary widely though based on local electricity costs and may well increase greatly in the future if electricity rates rise.
Q:Why don't scientists use the design of a tree for solar panels?
I don't know much about solar power. This does however seem to be a very interesting idea. But I'd imagine that the complexity of building such a structure would be far more difficult that just laying thousands of large panels in an area. The shadow from higher panels may also have an adverse affect on the lower panels. Consider the tiny panels that do provide energy and compare them to a large panel that is easier to make.
Q:Do you know that China is the largest producer of solar panels in the world?
I visit hundreds of houses a week in my line of work and there are houses in neighborhoods that aren't the wealthiest that have solar. It might be cheaper than you think.
Q:How are these flexible solar panels?
Guide okorder.com/
Q:Why won't my solar panels drive a motor?
Mark G has a good answer. If you leave your voltmeter on the solar cells when you hook up the motor, you will see the voltage drop to near zero. Same thing would happen if you tried to use 2 9 volt batteries to start your car. They just cant maintain the voltage when high curent demands are made.
Q:Question about solar panels?
How image voltaic Cells artwork by employing Scott Aldous interior this text a million. creation to How image voltaic Cells artwork 2. Photovoltaic Cells: changing Photons to Electrons 3. How Silicon Makes a image voltaic cellular 4. Anatomy of a image voltaic cellular 5. capability Loss in a image voltaic cellular 6. image voltaic-powering a house 7. fixing image voltaic-skill subject concerns 8. image voltaic-skill execs and Cons 9. plenty extra counsel 0. See all actual technology articles you have in all threat seen calculators that have image voltaic cells -- calculators that for the time of no way want batteries, and infrequently do not even have an off button. as long as you have sufficient gentle, they seem to artwork constantly. you have gotten seen larger image voltaic panels -- on emergency highway warning signs or call bins, on buoys, even in parking plenty to skill lighting fixtures. in spite of the actuality that those larger panels are not as issue-unfastened as image voltaic powered calculators, they are accessible, and not that perplexing to become attentive to in case you already know the place to look. There are image voltaic cellular arrays on satellites, the place they are used to skill the electrical powered systems. you have in all threat additionally been listening to with regard to the image voltaic revolution for the final 20 years -- the theory that sometime we are able to all use unfastened electrical energy from the solar. this could be a seductive promise: On a vibrant, sunny day, the solar shines approximately a million,000 watts of capability in keeping with sq. meter of the planet's floor, and if we could desire to hold at the same time all of that capability we could desire to truthfully skill our residences and workplaces for unfastened.
Q:what can i do with a calculator solar panel?
All stable suggestions, yet you like 2 AA cells to keep the skill from the image voltaic panel to coach at ineffective night. The calculator probable has 2 or 3 rechargeable button cells. I somewhat have chanced on that non rechargeable Energizer or Duracell alkaline AA cells artwork sensible in those exterior/exterior LED lighting fixtures furniture furniture, so as which you would be waiting to recharge between short heating classes with an incandescent or a LED a lot longer. it is going to take distinctive days to recharge a pair of rundown AA with one calculator panel, so as which you will desire to decide utilising 2 or extra beneficial panels (in sequence if the calculator in simple words has one button cellular). 2 photograph voltaic panels in sequence from exterior LED lighting fixtures furniture furniture, could desire to recharge your AA cells in some hours of staggering photograph voltaic. I somewhat have 2 exterior lighting fixtures furniture furniture I keep charged via putting them the incorrect way up (without the stake and, defuser globe) on appropriate of CFL bulbs, one in each and every of that's 0 watts = forty watt equivalent. Neil
Q:What do i need to use a 2v solar panel to charge a 6v lead acid battery as i cant find a 2v to 6v regulator?
Yes, certainly. So long as the solar panel's voltage exceeds the voltage of the battery (which is probably going, certainly if it can be a discharged battery, which is lower than 2 volts), then it will recharge the battery. Additionally, a 2 V solar panel can produce bigger than 2 volts. Nevertheless, the rate of charging is more likely to be depdendent on the availabilty of daylight. And of course, the better the capcity of the battery, the longer it takes to cost.
Q:time till a solar panel pays itself off?
I have a small system and do not make enough to sell back (no batteries) so it was less than 7 years BUT when you are talking about putting the initial in to a high yield div account and comparing it then I would say it took only 4 years to pay for because I was invested like many others with the capital it would have taken to get a large system and that investment LOST money while my solar pays for itself every year bit by bit. With systems now more efficient and rebates bigger and the investment alternatives not any better it is an easy choice.

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