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.
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
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:
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.
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
Article You May Be Interested In Reading: Solar Hot Water
Executive Summary about Solar Collector by Armand Hadife
Solar energy is accessible in plentiful places around the world. This high temperature produced can be exploited for heating air or water in houses and buildings
Using solar energy is a natural and affordable approach for spaces or water heating. When using solar power for heating purposes you employ a device that will allow capturing the heat of the sun. This device is called a solar collector. A basic solar collector can be made with no difficulties.
The next step is to find a system to help circulate water or air inside the solar collector. In general, devices like fans and pumps are used to push air or water thru the solar collector and from the storage tank to the house.
For the novice, making a solar collector can be a difficult and demanding project. This is why solar collectors are broadly offered online and in solar products shops.
How to Build a Solar Collector
Executive Summary about Solar Collector by Mick Jeys
Building a solar collector is the best way to save money on electricity bills, and can be used to generate electricity or to heat water. The two most popular uses for solar collectors are to heat water and generate electricity.
Solar Collector To Generate Electricity
Typically known as a solar cell or panel, they are typically made from titanium dioxide, and create electricity through the photovoltaic effect. It is now very simple to build your own generator at home quite cheaply by substituting titanium dioxide with cuprous oxide.
Solar Collector To Heat Water
The most common example of this type can be seen in common solar hot water systems, where the hot water tank is actually up on the roof with the solar collector. Trials are being held in Germany to use solar heated water from the summertime to heat homes in the winter.
Article You May Be Interested In Reading: Garden Solar Lights
Executive Summary about Solar Electricity by Melanie Crouse
There are even tax rebates available in many states for families that are converting to home solar electricity. If you’ve been thinking of using PV (photovoltaic) panels for your home solar power, but are finding that it is too expensive, there are other options. There are many green energy suppliers that provide power from various renewable resources, such as solar electricity, wind power and hydroelectricity. If you’ve decided that solar power is the way you want to go, you will need to determine your actual power needs first.
The first thing you need to determine is how much electricity you need your home solar electricity system to generate. Do you want a grid-tied system where you are still connected to the grid, using a combination of your own solar power and the power supplied by the utility company? Or you can combine your own home solar electricity system with the grid, selling back any excess power that you don’t use to the power
Designing Solar Electricity Systems For Your Home
Executive Summary about Solar Electricity by Gary Ashby
Are you interested in designing solar electricity systems for your home? Before you build your homemade solar electricity systems, you must first consider the electrical requirements of your household as well as how much energy you wish to generate with the solar panel system.
1. Are You Comfortable Working On The Roof?
2. Is There Enough Space On Your Roof For Solar Panel Installation?
Your roof needs to have enough space for you to build sufficient solar panels on it.
3. What Happens When You Are Able To Generate More Electricity Than The Amount That Your House Requires?
4. How Exactly Do You Put a Solar Electricity System In Your Home?
Thousands of people have already eliminated their own home electricity bills with this free solar energy system that they learned how to build with a step-by-step guide online.
Article You May Be Interested In Reading: Solar Battery
Executive Summary about Solar Lighting by Simon Harris
Outdoor solar lighting adds to the looks, or curb appeal, of a home. Because there are so many designs and styles of outdoor solar lighting, people can use them anywhere.
How Solar Lights Function
Small photovoltaic cells turn sunlight into solar electricity.
Options for Solar Lights
Some outdoor solar lights turn on when they detect motion. Other solar lights remain on from dusk until dawn.
Disadvantages of Solar Lights
There’s only one common flaw with solar lights.
Benefits of Solar Lights
One of the most talked-about benefits today is the fact that solar lights are an eco-friendly alternative to the traditional, electricity-using outdoor lights. Solar lights are also a fairly inexpensive option in terms of both purchasing and use. Finally, solar lights are easy to install. With traditional outdoor walkway lighting, for example, users needed to dig a trench and bury the wire that connected the lights to the power source. In the end, outdoor solar lighting may be the wave of the future.
10 Uses for Outdoor Solar Lights
Executive Summary about Solar Lighting by Dave Joa
Solar Lighting can be used in many ways
Here are just a few examples of practical applications for outdoor solar lighting:
1. Solar Accent Lights
For specialist use in the yard or garden these are designed for accent lighting along the edges of driveways, walkways, paths and entrances to homes, garages and other buildings.
2. Solar Lanterns
Typically these solar light fixtures include many different and unique designs of solar lights to enhance any part of your garden and yard.
3. Solar Motion Sensor Lights
Because solar lights are easy to install they can be located in those places where traditional lights and the wiring required are a problem.
4. Solar Spot Lights
Use solar spots to light up any individual objects outside you home such as trees, bushes, a flower bed, statues or even a pond or stream.
5. Solar Flood Lights
If you want to light a much larger area then solar flood lights will help you to do this.
6. Solar Sign Lights
7. Solar Pond and Pool Lights
Today you can now get small solar powered lights in a wide rage of different colors that will float permanently in your pool or pond to giving a dramatic and potentially moving light show all night long.
8. Solar Flag Light
Just like the solar sign lights there are now specialist lights for lighting the flag on your flag pole if you have one or the whole flag and pole together.
9. Solar Rope Lights
These are great for creating great lighting effects anywhere in your yard and garden but especially on patios and decks, They can be run along anything such as under a deck railing or around things such as tree trunks and deck posts or hung on buildings or in trees.
10. Solar Christmas Lights
Yes, you now even get solar Christmas lights for your tree or other features outside and around your home.
