When you think of solar energy, what comes to mind is often the huge dark panels that sit on someone’s property and take up large amounts of space. This isn’t necessarily true; there are a number of products that use solar panels cells as part of its construction to be efficient only through solar power. Solar panels cells have been traditionally made from single crystal silicone blocks that are cut into thin squares and pieced together with conductive metal strands. This arrangement leads to needing larger room to produce solar energy simply because the cells are so large and more of them are needed to get the required amount of charge.
Once solar energy starting becoming more popular and there became a consumer interest and demand for energy efficient products, a lot of research went into developing new sources of solar energy solutions. These advances have produced materials that can retain solar energy that can be converted into direct energy. Advances have also improved the energy conversion efficiency of solar panels cells. These advances mean that solar energy products are more affordable and practical, so more consumers have the opportunity to purchase solar energy items.
Two different materials that are now being used in solar energy production include multi crystalline silicon, and polymer solar cells. These materials both cost much less to make. Additionally polymer solar cells are constructed in sheets. These sheets are very flexible and can be moulded into a variety of different shapes.
In this way, our perception of solar panels cells is changing, and now consumers are seeing new products using solar energy. Some of these products include battery chargers: there are a variety of items that can be charged with solar energy such as Ipods, MP3 players, digital cameras, mobile phones, laptops, and then even larger batteries, like car batteries can also be charged through a solar energy solution.
Many houses now take advantage of the suns energy by investing in solar lighted walkways or other garden accessories which look attractive, collect energy throughout the day, and then give off light in the evenings.
Should you be interested in creating your own solar product, it is possible to purchase solar panels cells directly from a manufacturer. You might be interested in creating your own, but most solar cells do require large pieces of equipment and scientific methods to construct, so it is much less costly to buy the cells and put them together to produce a solar product.
There are a number of different kits available also that you can purchase and follow the instructions on. This will give you a familiarity of working with solar cells and then you can work on your own creations from that point. Always keep the name of a professional solar energy individual available so you can ask for advice or assistance when you get stuck.
Monday, 8 June 2015
Sunday, 7 June 2015
Solar power panels - guide for self-installation
Have you been thinking about purchasing and installing solar panels? Are you certain you know all that you should know prior to, during as well as after buying and setting up solar panels? You can look at this upon! Intro: If you are looking for information on solar power panels it’s useful to find someone to share his experience associated with functioning and setting them up on the roof of their home. Think about my instance I've set up nine sections of 190WP(Watts Peak) which allows more than average manufacture of effective energy under perfect problems. However it is important to remember when buying your own solar energy system gear the assistance components must have a higher WP score than all your panels together. Or else you might have dangerous negative effects because of over-loading. After installing the very first set of panels, I got myself and set up extra units to existing program achieving 500kWh per day which 300 kWh had been returned through the local power organization that bought the surplus power decreasing my personal overall expenses. Of complete amount of 500 kWh 200kWh had been eaten through the home home appliances (refrigerator, freezer, mechanised ventilation, etc.). I believe my personal solar panels are economically used which such a program produces financial as well as ecological advantages. Savings: Prior to deciding to invest in cumbersome solar panels, I would recommend everyone to look completely, having a critical attention, all through the home. Try to look for away in the event that you will find any kind of home appliances that are actual stealer of energy. Perhaps the fridge / deep freeze in the kitchen can be changed with a cheaper type? Or think about the possibility to substitute a 300Watt halogen tube with increased appropriate option. Check out in case your restroom as well as bedroom still have that old fashioned carbon-filament bulbs, even though within small places such as closets and toilets these bulbs continue to be better to make use of. Take into account the proven fact that although the LED lighting indicates lower power consumption there's a issue whenever replacing the halogen limelight a good LED- normally a specific generate should be positioned! Alignment: The actual solar panels function very well if there is a definite look at with many different sunlight arrays (i.at the., in a shadow-free zone) .The circumstances obviously vary, and dimensions indicate that the distinction is negligible between your positions south-southeast and south-southwest. In order to install your panels properly considering the amount of the daylight accessible by the sunlight you should take care to install the actual panels on a flat roof at regarding 36 degrees interest. A good optimal situation occurs when your solar power panels tend to be verticle with respect to the sunlight-it supplies a large amount of power!!! We installed my personal sections on twenty-four Dec 2006 as well as situated them in a method the cisco kid from the panels couldn't achieve each other so that We accomplished great produces within the fall! The insurance: I have been knowledgeable by my e-mail insurance companies that the sections need to be contained in the insurance of the home. It’s true that it cost me about 80 cents monthly, but ,nicely … think about the quantity of my personal suffering We in the event that there was surprise harmful one or more of my sections . The actual town: Seek advice from your town prior to deciding to buy solar panels. A few local authorities support eco-friendly technologies .So it's suggested to pick a licensed contractor in order to get motivation credit. Every tiny bit assists … Electric issues: For an installing of up 600Wp (state roughly three panels of 190Wp or even 4 sections of a hundred and fifty Wordpress) is not able to an existing electric group sites. Proceed more places compared to power solar panel is really a individual eclectic team constructed and utilized exclusively for that solar installation. You may consequently there is no other device connected! Ballast: On toned roofs, the actual panels are set up while on an light weight aluminum body and floor tiles. Based on geographical location and the height from the roofing, the ballast should be modified carefully. Your providers could be a great supply of information if you are not sure enough how to deal with this issue. On my flat garage roofing I've got a solar panel associated with floor tiles of approximately 60-70kg. Make certain your own toned roofing may bear the weight! If you have best roof panels, they will be moored from body and the roofing to ensure that over-loading is not of the significant significance. At the conclusion some advice not negligible: you need a good power meter arranged between your inverter and energy. And perhaps it is important to know that it required 2 hours for three sections to set up them on the flat roofing.
Solar Panels Common Issues
Putting
up solar panels and finding out that they don’t work can be a frustrating
experience. In this article I’ll tell you about some possible problems that you
might encounter when you have solar panels.
Since
they’re usually quite reliable, finding out that your solar panel broke can be
quite a surprise. It can happen however, especially because of bad weather,
fluctuations in temperature, static electricity or lighting. Fixing a solar
panel means you need to know a few things first.
If the
solar panel is wired either in parallel or in series/parallel, you have the
possibility to test an individual panel, if you cover a minimum of four cells
on the panel. Doing this should decrease the output by at least half. If it
doesn’t drop the output, then the panel has problems, either because itself, or
the other panels which are wired together with him.
In some
case, the system’s voltage will decrease just as the day gets into its hottest
phase. That’s because a regular photovoltaic module works best when there are
25 degrees Celsius outside. When it’s too hot, the voltage can drop below 12
volts. It can also happen because of controller losses, bad wires, weak
connections or a photovoltaic module that is weak.
Putting
water on the array can help you troubleshoot this problem, as it will cool it
down and give you a chance to see how the system reacts. If the voltage is OK
when you cool it down, then look at the open voltage, after you disconnect the
panel. If it’s still lower than 18 volts, test each module individually.
The
metal connections can be affected by oxidation, temperature cycling or
corrosion. The metal can sometimes warp, the screw can become loose or you can
have some electrical resistance. In the end you get connections that are
overheated.
Another
option is that the insulation burned, due to an electric arc, which can also
melt the metal. You have the option to replace all metal parts that are
oxidized or corroded, to repair this problem. If you want to bypass terminals
that are burned, wire it to the metal strip directly.
In most
cases, you will find a bypass diode inside the junction box of the PV modules.
This diode will prevent any cell from overheating, when they have shade on them
for longer periods of time. In some cases, a diode can short out because of
lighting. In such a case, the voltage of the module can decrease.
up solar panels and finding out that they don’t work can be a frustrating
experience. In this article I’ll tell you about some possible problems that you
might encounter when you have solar panels.
Since
they’re usually quite reliable, finding out that your solar panel broke can be
quite a surprise. It can happen however, especially because of bad weather,
fluctuations in temperature, static electricity or lighting. Fixing a solar
panel means you need to know a few things first.
If the
solar panel is wired either in parallel or in series/parallel, you have the
possibility to test an individual panel, if you cover a minimum of four cells
on the panel. Doing this should decrease the output by at least half. If it
doesn’t drop the output, then the panel has problems, either because itself, or
the other panels which are wired together with him.
In some
case, the system’s voltage will decrease just as the day gets into its hottest
phase. That’s because a regular photovoltaic module works best when there are
25 degrees Celsius outside. When it’s too hot, the voltage can drop below 12
volts. It can also happen because of controller losses, bad wires, weak
connections or a photovoltaic module that is weak.
Putting
water on the array can help you troubleshoot this problem, as it will cool it
down and give you a chance to see how the system reacts. If the voltage is OK
when you cool it down, then look at the open voltage, after you disconnect the
panel. If it’s still lower than 18 volts, test each module individually.
The
metal connections can be affected by oxidation, temperature cycling or
corrosion. The metal can sometimes warp, the screw can become loose or you can
have some electrical resistance. In the end you get connections that are
overheated.
Another
option is that the insulation burned, due to an electric arc, which can also
melt the metal. You have the option to replace all metal parts that are
oxidized or corroded, to repair this problem. If you want to bypass terminals
that are burned, wire it to the metal strip directly.
In most
cases, you will find a bypass diode inside the junction box of the PV modules.
This diode will prevent any cell from overheating, when they have shade on them
for longer periods of time. In some cases, a diode can short out because of
lighting. In such a case, the voltage of the module can decrease.
Saturday, 6 June 2015
Solar Power Future in Flexible Solar Panels
What are flexible solar panels? Flexible solar panels are very thin films of solar energy converting amorphous silicon cells that can be painted on items like plastic, which makes them very flexible. The uniqueness of these cells comes from them being much smaller than regular silicon cell solar panels. Due to their flexibility, they can be used for a broader range of products than rigid cell panels, and they are definitely more portable. The drawback to flexible solar panels relates to the lower solar power conversion efficiency rates when compared to conventional solar cells.
Currently you can get a variety of products made with flexible solar panels. Typically any portable object that requires a power source has some type of flexible solar panel designed for it. If you are a craftsperson or handyman you can purchase sheets of these solar panel cells and construct a power source yourself.
If you want to design a flexible solar panel, then you need to consider a few things first: where is your solar panel going to reside on the product? Do you need to keep the solar energy source outside? Are you going to integrate your solar power solution into the product or did you need it to be removable?
When you are considering making a product solar energy based you want to find a location on the product where your solar source is not going to interfere with its function or appearance. This means determining how much wattage/voltage you require for your article and preparing the right quantity of solar cells for that wattage/voltage. Once you have determined this, then you can see roughly the size of your solar energy resource and judge where your solar energy solution will reside.
If you are occasionally using your item outside, then you can probably skip any ultraviolet protection agents for your solar panels. If you do need to keep your system outside consistently, then you want to protect your flexible solar panels from ultraviolet rays and also consider weather protection items to prevent degrading and rust from forming.
As you design your solar system, you will need to consider how it integrates with your product existing power leads. How these are connected will give you the option on making your solar solution part of the existing product. You may also want to disconnect your product from the solar power solution periodically if it is bulky. You want to make this distinction prior to soldering any connections between your article and your solar solution.
Additional flexible solar panels are presented either as rolled mats or folded articles. Both methods are designed to promote flexibility. Rolled articles are generally designed for the outdoors and have considerations for terrain and weather in their construction. If you are interested in taking a power source while camping, you need to ensure that weather proofing is included in the design of your flexible solar panels. Foldable designs are also constructed most weather conditions.
When you are designing or selecting flexible solar panels ensure that you have the correct functionality needed for your purposes.
Currently you can get a variety of products made with flexible solar panels. Typically any portable object that requires a power source has some type of flexible solar panel designed for it. If you are a craftsperson or handyman you can purchase sheets of these solar panel cells and construct a power source yourself.
If you want to design a flexible solar panel, then you need to consider a few things first: where is your solar panel going to reside on the product? Do you need to keep the solar energy source outside? Are you going to integrate your solar power solution into the product or did you need it to be removable?
When you are considering making a product solar energy based you want to find a location on the product where your solar source is not going to interfere with its function or appearance. This means determining how much wattage/voltage you require for your article and preparing the right quantity of solar cells for that wattage/voltage. Once you have determined this, then you can see roughly the size of your solar energy resource and judge where your solar energy solution will reside.
If you are occasionally using your item outside, then you can probably skip any ultraviolet protection agents for your solar panels. If you do need to keep your system outside consistently, then you want to protect your flexible solar panels from ultraviolet rays and also consider weather protection items to prevent degrading and rust from forming.
As you design your solar system, you will need to consider how it integrates with your product existing power leads. How these are connected will give you the option on making your solar solution part of the existing product. You may also want to disconnect your product from the solar power solution periodically if it is bulky. You want to make this distinction prior to soldering any connections between your article and your solar solution.
Additional flexible solar panels are presented either as rolled mats or folded articles. Both methods are designed to promote flexibility. Rolled articles are generally designed for the outdoors and have considerations for terrain and weather in their construction. If you are interested in taking a power source while camping, you need to ensure that weather proofing is included in the design of your flexible solar panels. Foldable designs are also constructed most weather conditions.
When you are designing or selecting flexible solar panels ensure that you have the correct functionality needed for your purposes.
Avoiding Solar Panel Problems
Understanding how to keep your solar panels safe from damage by the elements is important and can help you avoid costly replacement costs. Picking the right solar panels for your home is a big part of this defense as well as using the right solar panel mounting strategy. Taking a little more time in securing and protecting your solar panels will ensure their continued operation for decades. A solar panel is the heart of any solar panel system and is the critical component that is responsible for converting the sunlight into power in your home solar power systems. Even though solar panels for homes have gone through some amazing innovations in recent years, there are still occasional solar panel problems that many homeowners face with this technology. Some of these problems can be avoided if you know what to look for and take precautions before any of these solar panel problems affect your system.More DurableOlder versions of solar panels were somewhat fragile and could suffer damage over the years while they were in use on a home. This damage would occur in a few different ways and would either diminish the amount of power that the solar panel could provide over time or destroy the solar panel completely. Older Panels' Solar Cells Were More Susceptible to WaterMost of this damage was caused by the solar energy panel enclosure allowing water from rain or snow to damage the sensitive solar cells inside the panel. If these solar cells were exposed to water, they would eventually fail and not be able to generate the power they once did. Because the average residential solar panel has a large collection of these solar cells, the panel would not fail outright, but would instead slowly start to generate less power over time. This is a problem for homeowners since it severely impacts the amount of power that your home solar power system produces. What made this even more complicated was the fact that your solar panel system has a number of these panels all connected together and if damaged occurs to one of them it was difficult to detect it. It was also very hard to determine which solar panel was damaged among all the solar panels in the system.Solar Cells Last LongerAnother very common one of these solar panel problems was with these older panels experiencing the natural decay of the solar cells themselves. Older formulations that were used when making these solar cells deteriorated over time. As these chemicals broke down, the solar cells were able to generate less and less power. This meant that the older your panels got, the less power they could produce from the same amount of sunlight. Even though the solar energy panels were technically working, they could in some cases be generating less than half of the power that they did when they were new. This eventually led to replacing your panels long before they actually failed because of their diminished output.Modern Panels Last Longer and Perform BetterModern solar panels for homes don't suffer from these early solar panel problems. They are built to be more durable and have solar cell formulations that will last for decades without losing their ability to generate power. The only problems that plague these newer panels are damage from the weight of snow in colder climates and the threat of being blown off the roof in areas with high winds. Both of these problems can be addressed through the proper mounting of your solar panels, which will minimize the chances of damage from these types of hazards. As long as they are mounted securely, your solar panel system should give you decades of use with little need for attention.
Roof Solar Panels: How They Have Changed
When shopping for roof solar panels, not only are there a number of brands, but also various types of roof solar panels to choose from. And each type has its pros and cons. So what kind of roof solar panels are there? And how do they differ from one another? When shopping for roof solar panels, not only are there a number of
brands, but also various types of roof solar panels to choose from. And
each type has its pros and cons.
So what kind of roof solar panels are there? And how do they differ from one another?
To date there are 3 kinds, which we will explore in this article.
Monocrystalline Solar Panels:
The first and most widely used type are monocrystalline solar
panels. Since they were the first to be produced, they have dominated
the solar market for quite some time. They are your typical blue
iridescent panels with rounded cells packed in uniform rows and visible
from all directions.
Monocrystalline solar panels tend to be very costly to produce since
they require a single silicon crystal grown in a very complicated
process. This results in higher prices for consumers. In fact, at the
time of writing this (Dec 2008), monocrystalline solar panels are about
41% more expensive per watt compared to thin film solar.
The advantage of these photovoltaic panels is that they take up the
least space, making them a good choice for people with not much space.
And although the cells are very fragile, they are secured in a rigid
frame and can last for over 25 years.
Multicrystalline Solar Panels:
The second type to be produced are multicrystalline solar panels.
Also known as polycrystalline solar modules, they are manufactured from
a large block of numerous silicon crystals. This gives them a
mosaic-like or shattered glass look. And since they are not made from
just one silicon ingot, they are slightly less efficient but also
cheaper than monocrystalline solar panels.
Multicrystalline photovoltaic panels are made by cutting the silicon
block into thin wafers to form individual cells, which are then joined
to make the panels. What make them attractive to consumers is they cost
slightly less than monocrystalline panels, but have a similar life span.
Amorphous Solar Panels:
Better known as thin film solar panels, the third and latest type is
really thin and flexible, making it light weight and easy to handle.
At first amorphous solar panels were made by fixing thin silicon
material to glass or stainless steel, which made them rigid. But to
make them flexible and durable, the silicon is now applied between
flexible laminate material. This has the added advantage of being able
to fix the panels to almost any surface. In fact, thin film solar is so
versatile and aesthetically appealing that it can completely replace
traditional shingles or steel roofing.
Another advantage is they are the cheapest panels for manufacturers
and consumers because they require the least silicon and the simplest
production process. This also results in the lowest cost per watt of
power.
However, since they are very thin, amorphous solar panels are over
40% less effective than mono- and multicrystalline panels at turning
the sun's rays into electric power. So to get the same power, they need
almost twice the surface area, which not everyone has.
Furthermore, thin film solar technology is still in its infancy, so
there is a large debate over its lifespan. And some people believe the
panels can lose their efficiency after only a couple of years. It is
only once more research and development has been put into thin film
solar that we will be able to see it as a reliable and intelligent
solar energy investment for households and businesses alike.
To conclude, there are three main types of roof
solar panels to choose from, each with their own pros and cons. By
understanding their differences we hope you will make a better informed
decision when you finally invest in roof solar panels at home.
brands, but also various types of roof solar panels to choose from. And
each type has its pros and cons.
So what kind of roof solar panels are there? And how do they differ from one another?
To date there are 3 kinds, which we will explore in this article.
Monocrystalline Solar Panels:
The first and most widely used type are monocrystalline solar
panels. Since they were the first to be produced, they have dominated
the solar market for quite some time. They are your typical blue
iridescent panels with rounded cells packed in uniform rows and visible
from all directions.
Monocrystalline solar panels tend to be very costly to produce since
they require a single silicon crystal grown in a very complicated
process. This results in higher prices for consumers. In fact, at the
time of writing this (Dec 2008), monocrystalline solar panels are about
41% more expensive per watt compared to thin film solar.
The advantage of these photovoltaic panels is that they take up the
least space, making them a good choice for people with not much space.
And although the cells are very fragile, they are secured in a rigid
frame and can last for over 25 years.
Multicrystalline Solar Panels:
The second type to be produced are multicrystalline solar panels.
Also known as polycrystalline solar modules, they are manufactured from
a large block of numerous silicon crystals. This gives them a
mosaic-like or shattered glass look. And since they are not made from
just one silicon ingot, they are slightly less efficient but also
cheaper than monocrystalline solar panels.
Multicrystalline photovoltaic panels are made by cutting the silicon
block into thin wafers to form individual cells, which are then joined
to make the panels. What make them attractive to consumers is they cost
slightly less than monocrystalline panels, but have a similar life span.
Amorphous Solar Panels:
Better known as thin film solar panels, the third and latest type is
really thin and flexible, making it light weight and easy to handle.
At first amorphous solar panels were made by fixing thin silicon
material to glass or stainless steel, which made them rigid. But to
make them flexible and durable, the silicon is now applied between
flexible laminate material. This has the added advantage of being able
to fix the panels to almost any surface. In fact, thin film solar is so
versatile and aesthetically appealing that it can completely replace
traditional shingles or steel roofing.
Another advantage is they are the cheapest panels for manufacturers
and consumers because they require the least silicon and the simplest
production process. This also results in the lowest cost per watt of
power.
However, since they are very thin, amorphous solar panels are over
40% less effective than mono- and multicrystalline panels at turning
the sun's rays into electric power. So to get the same power, they need
almost twice the surface area, which not everyone has.
Furthermore, thin film solar technology is still in its infancy, so
there is a large debate over its lifespan. And some people believe the
panels can lose their efficiency after only a couple of years. It is
only once more research and development has been put into thin film
solar that we will be able to see it as a reliable and intelligent
solar energy investment for households and businesses alike.
To conclude, there are three main types of roof
solar panels to choose from, each with their own pros and cons. By
understanding their differences we hope you will make a better informed
decision when you finally invest in roof solar panels at home.
Friday, 5 June 2015
Building Cheap Solar Panels at Home
Hearing that "you can build cheap solar panels at home" may raise eyebrows in those new to photovoltaic solar. Nonetheless, it's true. Solar panels are cheap to build, if you know how. Don't fall victim to the manufacturers who are keeping their prices high due to the newness of solar technology. Learn how to build the panels at home at an affordable cost, and you will be able to save quite drastically. Solar panels can be built with your own two hands. Once you put together all the required materials, tools and parts, you will merely need to follow a guide and assemble everything together. The main materials and parts used in the system would include: PV cells, an inverter, wires, fuses, solder, liquid flux, tabbing, and screws. There also are three optional parts: a charge controller, a battery, and a net meter.
If you want to build a standalone power generator, you would need to add a battery (for energy storage) and a charge controller (to protect the battery and the panels). If you want to feed your system into the grid, you would not need a battery or charge controller, but you would need a net meter to know how much electricity you are feeding into the grid.
There are excellent guides available for the DIY homeowners interested in building cheap solar panels to save a lot of money on their initial investment. These guides will provide you with the necessary information, diagrams, and video instructions. A good guide would not just help you build your renewable energy system, but also make it a fun and enjoyable project rather than a boring or frustrating one.
To avoid any disappointments, it's essential to use a good and comprehensive solar panel guide that has the steps laid out in a sequential order, and that has clear diagrams and illustrations. The guide also has to provide you with multiple system designs, various schemes for mounting your panels, and diagrams for connecting the panels to the grid or a battery.
Good guides list the tools and materials that are needed to complete your project, as well as they will aid you in finding cheap solar panels on the market. They will also explain the proper mounting of your panels, which will ensure that they are safe and generating maximum energy (the panels need to be placed in direct sunlight, at around a 20-50 degree angle, and have a sturdy mount). You will also be able to consult with the guide's materials and decide on the size of the system that would fit your energy output requirements.
It's true that purchasing a brand new and pre-assembled panel right from the manufacturer could cost you many thousands of dollars, but it's also true that there are solar enthusiasts who have learned to build solar powered systems with a minimal initial investment and are willing to share their knowledge with other solar energy enthusiasts. All in all, the truth is that a solar powered system will not require a hefty initial investment, if you build the solar panels at home.
If you want to build a standalone power generator, you would need to add a battery (for energy storage) and a charge controller (to protect the battery and the panels). If you want to feed your system into the grid, you would not need a battery or charge controller, but you would need a net meter to know how much electricity you are feeding into the grid.
There are excellent guides available for the DIY homeowners interested in building cheap solar panels to save a lot of money on their initial investment. These guides will provide you with the necessary information, diagrams, and video instructions. A good guide would not just help you build your renewable energy system, but also make it a fun and enjoyable project rather than a boring or frustrating one.
To avoid any disappointments, it's essential to use a good and comprehensive solar panel guide that has the steps laid out in a sequential order, and that has clear diagrams and illustrations. The guide also has to provide you with multiple system designs, various schemes for mounting your panels, and diagrams for connecting the panels to the grid or a battery.
Good guides list the tools and materials that are needed to complete your project, as well as they will aid you in finding cheap solar panels on the market. They will also explain the proper mounting of your panels, which will ensure that they are safe and generating maximum energy (the panels need to be placed in direct sunlight, at around a 20-50 degree angle, and have a sturdy mount). You will also be able to consult with the guide's materials and decide on the size of the system that would fit your energy output requirements.
It's true that purchasing a brand new and pre-assembled panel right from the manufacturer could cost you many thousands of dollars, but it's also true that there are solar enthusiasts who have learned to build solar powered systems with a minimal initial investment and are willing to share their knowledge with other solar energy enthusiasts. All in all, the truth is that a solar powered system will not require a hefty initial investment, if you build the solar panels at home.
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