One of the answers to the energy crisis is to apply solar power. Solar power is the energy source of the most powerful and freely available to us now. That is why production of solar energy kits more abundant.
Solar energy kits is slowly taking place in most of the different houses in the world. Householders feel easy, convenient and effective to obtain energy from the sunlight.
The New Economic Stimulus Plan will make solar installers one of, if not, the fastest growing job in the United States. In fact, the need for solar installers, trained, professional installers will increase exponentially in the coming year, and beyond beyond of the tremendous financial and social support for renewable energy. If you are going to cash in on this new, increased demand for green-collar workers, you will need the proper solar training.
Solar training is critical because solar energy is such a broad, deep and often misunderstood topic. Sadly, there is a ton of information available on solar energy on the internet and in books, but a lot of this information may be false, or outdated, and, the true information is scattered across hundreds, or thousands of sources that could take years to sift through and put together. This is where a good solar training course comes in.
Executive Summary about Sun Power by Richard Chapo
Generating electricity from the sun is all about converting sunlight into power. The technology behind solar systems is known as photovoltaic technology. Essentially, this technology involves using sunlight to create a chemical reaction. This process creates a direct current of electricity. The electricity is then converted to usable alternating current electricity and stored in a battery or fed into a utility grid system.
Executive Summary about Solar Fan by Peter I. Wilson
Solar power fans are very easy to install, and also completely free to run. The majority of solar powered fans have a built in solar panel. Why Should I use Solar Power Fans in my Attic?
The solar powered fans do not require any extra power which would make your electricity bill more expensive. The other really good feature about solar powered fans is that they’re really easy to install. Newer homes are including these solar powered fans as standard, however if you own an older style home then you should consider installing these fans. You can buy fans suitable for fitting into older style homes.
What’s the real truth behind all those ads?
Just searching around online for information about solar power, solar energy, and installing solar panels on your own home, you’ve probably run across many claims which say you can earn money from solar power. So is it true? Yes… sort of.
A fantastic way of generating electricity today is by way of wind power. There is a great deal of interest in home made energy all over the world today due to the costs of installation being so low and how effective home made energy is.
For another fantastic article, I would highly recommend see: How Does Wind Power Work
A product design is not just an isolated object, but also the complex network of relationships that constitute it for what it will be understood in context. This work wants to build a network of environmental sustainability and putting the individual at the center of this network.
The Solar Powered FM Radio Kit allows you to teach children about environmentally friendly energy source of solar energy in a fun and interesting. The kit will make a fully functional FM radio that was designed to be bright and attractive to children.
Adventures in microsolar supported by microelectronics and MEMS techniques
Representative thin crystalline-silicon photovoltaic cells – these are from 14 to 20 micrometers thick and 0.25 to 1 millimeter across.
Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.
The tiny cells could turn a person into a walking solar battery charger if they were fastened to flexible substrates molded around unusual shapes, such as clothing.
The solar particles, fabricated of crystalline silicon, hold the potential for a variety of new applications. They are expected eventually to be less expensive and have greater efficiencies than current photovoltaic collectors that are pieced together with 6-inch- square solar wafers.
The cells are fabricated using microelectronic and microelectromechanical systems (MEMS) techniques common to today’s electronic foundries.
Sandia lead investigator Greg Nielson said the research team has identified more than 20 benefits of scale for its microphotovoltaic cells. These include new applications, improved performance, potential for reduced costs and higher efficiencies.
“Eventually units could be mass-produced and wrapped around unusual shapes for building-integrated solar, tents and maybe even clothing,” he said. This would make it possible for hunters, hikers or military personnel in the field to recharge batteries for phones, cameras and other electronic devices as they walk or rest.
Sandia project lead Greg Nielson holds a solar cell test prototype with a microscale lens array fastened above it. Together, the cell and lens help create a concentrated photovoltaic unit.
Even better, such microengineered panels could have circuits imprinted that would help perform other functions customarily left to large-scale construction with its attendant need for field construction design and permits.
Said Sandia field engineer Vipin Gupta, “Photovoltaic modules made from these microsized cells for the rooftops of homes and warehouses could have intelligent controls, inverters and even storage built in at the chip level. Such an integrated module could greatly simplify the cumbersome design, bid, permit and grid integration process that our solar technical assistance teams see in the field all the time.”
For large-scale power generation, said Sandia researcher Murat Okandan, “One of the biggest scale benefits is a significant reduction in manufacturing and installation costs compared with current PV techniques.”
Part of the potential cost reduction comes about because microcells require relatively little material to form well-controlled and highly efficient devices.
From 14 to 20 micrometers thick (a human hair is approximately 70 micrometers thick), they are 10 times thinner than conventional 6-inch-by-6-inch brick-sized cells, yet perform at about the same efficiency.
100 times less silicon generates same amount of electricity
“So they use 100 times less silicon to generate the same amount of electricity,” said Okandan. “Since they are much smaller and have fewer mechanical deformations for a given environment than the conventional cells, they may also be more reliable over the long term.”
Another manufacturing convenience is that the cells, because they are only hundreds of micrometers in diameter, can be fabricated from commercial wafers of any size, including today’s 300-millimeter (12-inch) diameter wafers and future 450-millimeter (18-inch) wafers. Further, if one cell proves defective in manufacture, the rest still can be harvested, while if a brick-sized unit goes bad, the entire wafer may be unusable. Also, brick-sized units fabricated larger than the conventional 6-inch-by-6-inch cross section to take advantage of larger wafer size would require thicker power lines to harvest the increased power, creating more cost and possibly shading the wafer. That problem does not exist with the small-cell approach and its individualized wiring.
From left to right, Sandia researchers Murat OKandan, Greg Nielson, and Jose Luis Cruz-Campa, hold samples containing arrays of microsolar cells.
Other unique features are available because the cells are so small. “The shade tolerance of our units to overhead obstructions is better than conventional PV panels,” said Nielson, “because portions of our units not in shade will keep sending out electricity where a partially shaded conventional panel may turn off entirely.”
Because flexible substrates can be easily fabricated, high-efficiency PV for ubiquitous solar power becomes more feasible, said Okandan.
A commercial move to microscale PV cells would be a dramatic change from conventional silicon PV modules composed of arrays of 6-inch-by-6-inch wafers. However, by bringing in techniques normally used in MEMS, electronics and the light-emitting diode (LED) industries (for additional work involving gallium arsenide instead of silicon), the change to small cells should be relatively straightforward, Gupta said.
Each cell is formed on silicon wafers, etched and then released inexpensively in hexagonal shapes, with electrical contacts prefabricated on each piece, by borrowing techniques from integrated circuits and MEMS.
Offering a run for their money to conventional large wafers of crystalline silicon, electricity presently can be harvested from the Sandia-created cells with 14.9 percent efficiency. Off-the-shelf commercial modules range from 13 to 20 percent efficient.
A widely used commercial tool called a pick-and-place machine — the current standard for the mass assembly of electronics — can place up to 130,000 pieces of glitter per hour at electrical contact points preestablished on the substrate; the placement takes place at cooler temperatures. The cost is approximately one-tenth of a cent per piece with the number of cells per module determined by the level of optical concentration and the size of the die, likely to be in the 10,000 to 50,000 cell per square meter range. An alternate technology, still at the lab-bench stage, involves self-assembly of the parts at even lower costs.
Solar concentrators — low-cost, prefabricated, optically efficient microlens arrays — can be placed directly over each glitter-sized cell to increase the number of photons arriving to be converted via the photovoltaic effect into electrons. The small cell size means that cheaper and more efficient short focal length microlens arrays can be fabricated for this purpose.
High-voltage output is possible directly from the modules because of the large number of cells in the array. This should reduce costs associated with wiring, due to reduced resistive losses at higher voltages.
Other possible applications for the technology include satellites and remote sensing.
The project combines expertise from Sandia’s Microsystems Center; Photovoltaics and Grid Integration Group; the Materials, Devices, and Energy Technologies Group; and the National Renewable Energy Lab’s Concentrating Photovoltaics Group.
Involved in the process, in addition to Nielson, Okandan and Gupta, are Jose Luis Cruz-Campa, Paul Resnick, Tammy Pluym, Peggy Clews, Carlos Sanchez, Bill Sweatt, Tony Lentine, Anton Filatov, Mike Sinclair, Mark Overberg, Jeff Nelson, Jennifer Granata, Craig Carmignani, Rick Kemp, Connie Stewart, Jonathan Wierer,
George Wang, Jerry Simmons, Jason Strauch, Judith Lavin and Mark Wanlass (NREL).
The work is supported by DOE’s Solar Energy Technology Program and Sandia’s Laboratory Directed Research & Development program, and has been presented at four technical conferences this year.
The ability of light to produce electrons, and thus electricity, has been known for more than a hundred years.
Some solar powered fountain is very beautiful on the market today, and this is a good way to introduce new features to your garden without using additional electricity from the main power supply.
The main advantage of solar powered garden fountain is the ability to leave them in the active state continuously, without worrying about how much electricity they use.
For the gardener who is more experienced and general DIY fanatics, you may be interested to build your own solar powered water fountains. If this happens, you may want to see links to other sites at the bottom of this page.
Powering a garden fountains can be very complicated in many situations such as running underground cables can be quite expensive, and cables laying at the top can be seen messy and unsafe.
This is another big advantage to use solar energy to power your fountain. Solar fountain can be used throughout the year, as long as the temperature in your garden does not fall below freezing. It is advisable to power off your solar fountain and place it in the room during the winter, just as a precaution.
A solar powered fountain work on the same principle of solar cells to collect energy, which then power your fountain pump.
Solar technologies is now highly developed, with some progress is being developed to be used every day.
Below 10 Solar Technologies to note:
Initial concept of light tubes developed by the ancient Egyptians, namely by direct use of natural light tubes with reflective material. This is the concept of the oldest and most widespread type of natural lighting of interior space.
Light tubes are also known as “tubular skylight”, “SunScope” or “Tubular Daylighting Device” allow natural light into the darkened interior room of buildings and houses. The people enjoy the natural lighting provided by skylights. However, skylights are often not evenly distribute the light, is the loss of a significant source of energy, and UV light can cause damage to the carpet and furniture. Light tubes, on the other hand, using the sun for lighting interiors without the shortcomings associated with conventional skylights. To prevent the danger of ultraviolet radiation (UV) from the carpet and furniture fading, UV inhibitors formed a dome roof on most models. Another bonus when choosing light tubes is that they provide far more heat slightly, as did the standard skylights. Because of the lack of acceptance of this heat, tubular skylights to save money on air conditioning bills during hot months.
Taking advantage of free sunlight as much as possible, the pipe hole collect sunlight from the roof dome light collector consists of an acrylic lens, bounce it to the bottom of a tube with a highly reflective interior coating, to pull the lens cap is similar to conventional recessed lighting equipment and diffuse sun light evenly throughout the interior rooms. The tube can be bent and adapted to drive around the garret or ceiling obstructions with small loss of light transmitting and can often be installed in less than three hours. Not like the ceiling of need roof to the ceiling of the timber-framed shaft and covered with drywall or wood panels, and the need for structural modifications, so installation is simple and relatively inexpensive.
Roof mounted dome made of high quality acrylic resin specially formulated to enhance the impact strength, chemical, weather resistance and high clarity.
Light tubes can be installed on almost all types of roof materials, including wood and asphalt shingles, concrete and ceramics, and metals. Thanks to a highly reflective coating on the rod, the tube can work efficiently from sunrise to sunset.
Most of the producers of glass tubular solar roof offers a 10-year warranty against defects in materials and post-installation cracks or discoloration. Tubes solar installation contractors generally offer a 2-3 year warranty for the installation of weatherproofing and storm protection.
The average size of the tubular skylight ranges between 10 and 21 inches (254 and 533 mm), diameter, which effectively light of 100-600 square feet (30,48-182,88 meters), interior space. The main factor in choosing a general measure of the distance between the roof rafters and / or ceiling beams.
Prices range from around $ 171.00 to $ 423.00. Installing a solar tube usually cost between $ 500 and $ 800. Both depend on the size of tubes and features installed.
Light tube options include:
Energy-efficient light tubes is an important part of the house and environmentally friendly buildings. Natural light effects on your physical, emotional and psychological well known as the rooms benefit from natural sunlight free will positively impact our environment for future generations. They are environmentally-friendly way to naturally brighten every room, a smart alternative to skylights and artificial lighting.
How much are you paying for your electricity or gas bill? Would you like to save on the costs of using this energy? Then read through the following article and get an idea of what you could possibly do.
In this write up we will cover the following subjects, DIY Solar Electricity UK, making your own solar panels and Building Solar Panels instruction.
Building your own solar panels is really a sensible choice to make. Why: because firstly the price of electricity is increasing and the prices of solar panels are increasing too. So you would start saving money the minute you decide you will do this yourself unlike purchasing one. It’s not difficult building a panel its actually fun.
There is always the satisfaction that comes from knowing that you were able to do it on your own If you are good at it you might even try it as a weekend money generating project. Yes; that’s how long it normally takes about a weekend’s length and you have your own power.
This is one of the simplest tasks that you could undertake if you’re interested in saving power costs. You don’t have to worry about building your own solar panels as many of the systems are quite user friendly. They come with complete DIY guides. These guides have step by step pictures of how you can go about setting up your own panel. Most even come with instructional videos of methods.
To reduce some of the concerns you might probably have you should select a solar panel system that has a support center or toll free line you can make use of when you get to those finer details that need consulting. They should be able to tell you where and how you can find the components that are required and the prices that you should expect.
Did you also know that when you decide to undertake building your own solar panels and install them in your home you increase the value of your house by thousands? Isn’t that a great incentive to build panels in your house? If you choose to go green as they say, remember safety is important.
Choosing the right science project for young people to do should include the concept of helping them become more involved in today’s important global issues. A science project on solar panels could be just the thing for them to gain a better understanding of how the energy crisis is affecting us and what they can do about it.
The world as we know it today has undergone drastic changes in the last few decades. Consider the past one hundred years of industry and the damaging effects this has played on the environment. Our lakes, oceans, and rivers are in a pitiable state. The very air that we breathe is infused with pollutants that make us sick. Natural disasters are becoming more occurent and destroy millions in property while killing hundreds of lives each year. The energy sources that have provided the power to fuel so-called economic and technological development and progress have taken their toll on our fragile environment. And the younger and future generations are the ones who are going to pay for the follies of the older generations who thoughtlessly abused our natural resources and the environment.
Teach Your Pupils This School Science Project
It has come to a point that the very survival of the human race is being questioned as being endangered in the coming years. The abuse of Mother Nature and her bounty has led to massive pollution throughout the globe. The biggest impact has been those of fossil fuels polluting, not only the atmosphere but, the water and other resources that maintain our survival. The mining of such fuels causes irreversible damage to the nearby environment.
They are a probable contributor to global warming, which threatens to melt the polar ice caps that could lead uncontrollable floods. The sulphur oxide emissions produced by fossil fuels cause harmful acid rain. Because fossil fuels cannot be recycled, they will eventually run out. The fact that our fossil fuel resources are fast depleting is a serious issue which we will have to face or else we can no longer have sufficient sources of energy to support human civilization.
High School Solar Panel Project
These all being said, you can imagine how educating the future generations of our world about energy efficiency can help in saving what remains of our energy sources and rebuilding the damage fossil fuels have done. The energy crises, the harmful consequences of fossil fuel use on the environment – our young people should be made aware as to how these are both significant issues that affect the very survival of the human race as we know it today.
Knowledge is a powerful weapon which can arm the future generations in their fight to rescue our ailing planet through resolving the issues on energy sources. Putting it into application makes it even more powerful. Showing the young ones the application of that knowledge is the best means to get their interest and win their support.
The Theory and Pracitical on a DIY Solar Panel Project
Imagine the future effects on the energy crises if pupils and students in all learning establishments were to undertake a school science project that included theory and the building of a solar panel. Solar panels harnessing the energy from sun rays are very appropriate to demonstrate to the youth the alternative energy solutions that are available. Doing the project by themselves will help them realize just how efficient solar power is. Harnessing power from the sun is a concept that young people of today should be familiar with. Let them have a hands-on project on alternative energy sources such as this one and this will help everyone benefit from the knowledge that the energy and environmental crises can be solved with modern scientific solutions.
Many people have started to install wind turbines, wishing to lower their bills for electricity, and in some way help make the environment safer while saving on non-renewable sources of energy. You need some knowledge before taking your various tools and purchasing your other needs for making a wind generator.
Whether you are installing a self-made or a commercial generator, you need to make sure you have the optimal location for it. You will need a place where trees and buildings are not obstructing the air flow.
If you happen to be living on a farm, obstacles probably aren’t a factor and the view of your neighbors is no concern. However when you live within the boundaries of a city, it can be a lot more difficult to install a wind generator.
The wind towers are so tall that they can be dangerous in storms and high winds, so this could impact the community. Consult not only your local authority but also your neighbors before putting one on your property. Of course you always need to consult for the county or city codes.
You have a few choices for the exact spot for your wind tower. The top of your house could be a great location or if you own enough land you can set the tower away from the house. In a small town, numerous wind generators can be installed in a common area for the whole community. So everyone can benefit from lower utility bills, and you do not have to worry about the towers getting blown over in a storm.
You could also look into other forms of renewable energy to run your house. If you have enough sun in your area, consider installing solar panels as a back up for your wind generator.
You can read more from Steven C. Jones on his blog about wind generators and renewable energy.
Article Source: EzineArticles
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