Solar And Wind 4 Me

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Wind power is an excellent source of clean renewable energy. Homeowners all over the world are discovering the benefits and savings of this much overlooked energy source. As more people look to alternative energy sources, windmills for home use are becoming increasingly popular methods of producing energy for home usage. These simple home generators are easy to build and can help reduce your dependence on the power company.

Wind power has long been used in many different civilizations, but only recently has residential wind power come into prominence. Harnessing the wind to produce electrical power has never been easier and more obtainable. Any homeowner now has the capability to build a wind powered generator.

Simple windmills for home use can be built in most cases for under $100. Building a home made wind mill requires no special tools or equipment. Most all homeowners already own all the tools required. The materials needed for construction are readily available. Anyone with average mechanical skills can build an effective wind generator.

In the past windmills were looked upon as a tool for pumping water in rural areas. Modern windmills for home use are in reality mini power plants used to produce electricity. Homeowners all over the world are discovering the benefits of producing clean, renewable energy.

Cheap renewable energy from the wind is now within the reach of every homeowner. No matter where you live, a home made wind mill can be beneficial in reducing your electrical costs. For less than $100 in most cases, who wouldn’t benefit from an energy producing system that will drastically lower energy bills?
Power Your Home With Free Wind Generator Plans
Building an efficient home wind generator is not difficult at all, but it is important to have a proven blueprint to follow. Efficiency and durability are critical to any windmill project. With the proper knowledge, your home wind generator will help reduce energy costs and may very well lead to living completely “off the grid”. Power Your Home With Free Wind Generator Plans

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http://www.justwinner.com

This Machine run with only 50 millamps input, 48 inch diam.

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Why Use Solar Panels For Homes
Solar Panels and Solar Power Kits
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Why Use Solar Panels For Homes

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Home Solar And Wind Power Systems
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Home Solar And Wind Power Systems

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I mean with everything I would need, the battery to store it and whatever else I would need? If anyone has one I would like to know how it works for you. Did it meet your expectations? Any problems that you have with generating your own wind power?

are you out on a farm or on a lot of land?… they won't allow one in town or suburbs….

http://www.abovetopsecret.com/forum/thread68751/pg1

price there was $40,000 with a rebate of $20,000 from the gov. in California…..

lots of other links there… DIY ones, too..

It depends on what you do with the windmill. The most basic measure would be average revolutions per minute over x period. If you were using the windmill to make electricity then you would indeed use the electrical measures stated above. However, it could also be running a pump in which case the output of the pump would be gallons per hour or something similar. The basic measure can also be looked at as pounds per square inch of force provided by the wind on the x sail area of the device. This theoretical maximum would be used for calculating the efficiency of any resulting work.

I'm doing a science fair project. I need to know how much a complete solar home would cost (switching from electricity to solar panels). My school is 215,000 sq. ft and our school annually uses 3,525,669 KWh. Where can i find how much that would cost? I've gone to several websites such as BP and i cannot find the answer. please help!
complete solar school***
the roof is flat btw

1, 75 watt pannel 400$
http://cgi.ebay.com/SEIMENS-75-watt-solar-panel-pannels-sp-siemens-75w_W0QQitemZ140186330622QQihZ004QQcategoryZ41981QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

divide that into Killowatts and your talking millions of dollars

North Seattle bungalow has solar panels will be placed on the garage roof.
Solar panels do not need alot of direct sunlight,

There are two main types of solar power, solar thermal and photovoltaic. Solar thermal uses the sun light’s infrared energy to either heat a liquid or to warm a mass of material that will later on release its stored heat. Harnessing solar thermal energy involves building a house in such a way to collect the sun’s heat during the day and radiate it into the home during the evening. However, in the summer time the house’s construction uses mass to keep the sun’s heat out of the home.

Solar photovoltaic energy converting sun light into electrical energy. The most commonly associated component are the photovoltaic panels or solar panels that you see mounted on roofs.

This article will be focusing on how photovoltaic solar power (solar panels) and systems work.

Why are solar photovoltaic panels always on the south (or north) side of the roof?

In order to get the maximum electrical output from photovoltaic panels they need to be oriented to solar south in the northern hemisphere and solar north in the southern hemisphere. Solar north and solar south are the same as magnetic or compass north or south. There is about a fifteen degree difference between them.

Most solar photovoltaic panels are set at home latitude plus fifteen degrees or home latitude minus fifteen degrees. Depending on if you want a summer or winter bias to the angle of the solar panels. In higher latitudinal areas it makes more sense to have the photovoltaic panels set on a winter bias, so that during the winter the solar panels still get enough sun light to produce electricity.

How does a photovoltaic cell produce electricity?

A solar panel consists of a collection of photovoltaic cells. Each photovoltaic cell is made up of silicon wafer. Silicon in its pure state is a poor electrical conductor. During the manufacturing process, an impurity is added to the silicon so that when the photons (light) strikes the wafer electrons are released and create electrical current.

The type of electrical current produced by a solar panel is a low voltage direct current, or DC, typically in the range of six to twenty four volts. Photovoltaic panels have a nominal output voltage of 12 volts and an effective operating voltage of 17 or more volts.

A solar panel’s electrical output is affected by several factors. They are angle of the photovoltaic panels to the sun, time of day, time of the year and weather conditions. Solar photovoltaic panels produce more electricity during the middle of the day when the sun is directly overhead compared to the early morning and late evening when the sun light is striking the solar panel at a shallow angle.

Components of a residential solar power system

A residential solar power system consists of four components are: photovoltaic panels, charging controller, battery pack and an inverter. The photovoltaic panels convert sun light into electricity. The electricity is sent to the charging controller who keeps the battery pack fully charged, but not over charged. The battery pack sends the electricity to the inverter who converts the DC voltage to household AC at 120 volts and 60 hertz.

Photovoltaic panel

The output of a solar panel is stated in watts. The wattage is stated is typically for peak sun hours. Since the amount of sun light varies through the course of a day, to level out the variations the peak sun hours has been adopted by most manufactures to help installers and customer’s compare different solar panel models.

Suppose a solar panel is rated for 100 watts and an average of six peak sun hours is available per day. Then the solar panel would produce 100 watts * 6 peak hours = 600 watt hours of electricity or 0.6 kilo watt hours (KWh).

Charging controller

Charging controller or charge regulator controls the charging of the battery pack. It continually monitors the battery pack’s charge state. If the batteries are low, it will send electricity from the solar panels to the batteries. It also prevents over charging of the battery pack.

Don’t allow someone to convince you that a charging controller is not really required. Directly connecting the photovoltaic panels to the battery pack can permanently damage the batteries and possibly cause them to explode.

Battery pack

The battery pack’s purpose is to store electricity generated by the solar panels during the day and then at night or during extremely cloudy days provide electricity to the inverter.

The battery pack typically consists of lead acid batteries. Lead acid batteries are relatively inexpensive and readily available. There are many different types, sizes and capacities of batteries available. The most popular are gel cell and AGM deep cycle batteries because they are maintenance free and last a lot longer than wet cell lead acid batteries.

The most important thing to remember about the batteries is that the need to be deep cycle. Deep cycle batteries are designed to be discharged then recharged hundreds if not thousands of times. A deep cycle battery is designed to discharged to nearly empty, but not completely and then be slowly recharged over time. A common mistake for home owners is to think that they can use automotive batteries instead of deep cycle batteries. Car batteries are shallow cycle batteries. They are designed to discharge a lot of current quickly and then be immediately recharged.

Inverter

An inverter converts the DC electricity stored in the battery pack into household 120V AC. Almost everything in your home is powered by 120V electricity. Things like table lamps, freezer, lights, motors, dishwasher, and so on.

There are two main types of inverters sine wave and modified sine wave. The power company provides electricity as a sine wave. The electricity’s charge value goes smoothly from positive 120V to 0V to negative 120V and then back up to 0V and finally up to positive 120V. Then the cycle begins all over again. The time it takes to go through the entire cycle is one second.

Modified sine wave is also known as a square wave. Here the electricity’s charge value goes from positive 120V to negative -120 volts in effectively zero seconds.

Most household devices will function on a modified sine wave power. Light bulbs and motors will work, just not quite as efficiently as they would on sine wave electricity. However, there are some electronic devices that will not work on square wave electricity. It will be necessary to check with the manufacture to determine if the device will work on square wave electricity.

Now you have a basic understanding of solar power how it works to power your home. Now you have enough information about how solar power works to determine if it is a technology that you would want to invest in for your house.

Wilhelm Williams
http://www.articlesbase.com/home-improvement-articles/solar-power-how-it-works-to-power-your-home-150901.html

The Cold Hardy Windmill Fan Palm tree originated on the island of Chusan off the east coast of China, and the Windmill palm tree is often called the Chinese or Chusan Fan Palm. Robert Fortune smuggled Windmill palm plants from China into the Kew Horticultural Gardens and into the Royal garden of Prince Albert of England in 1849 after the Opium Wars of China ended. The Windmill Palm tree was named in Latin, Trachycarpus fortunei, after Robert Fortune, and after 158 years, in the year 2007, these Windmill Fan Palm trees are still growing gracefully as a distinguished, exotic, rare tree at Kew Gardens, a palm of noble bearing.

From Kew Gardens in England, the Windmill Palm tree was spread throughout Europe, from the Mediterranean hot climates of Italy and Greece to a cold hardy testing ground in the landscape gardens of Switzerland and Bulgaria, where the Windmill Palm trees have remarkably survived, leaves even remaining green when covered with ice or snow. During the past seven years, truckloads of Windmill Fan Palm trees have been transported and planted in Canada and have survived the extreme cold winters in New York, Pennsylvania, Illinois, New Jersey, and Michigan.

Although most Windmill Palm nursery growers are conservative in recommending the Windmill Palm tree planting to be restricted to growing in zones 8-10; other Windmill Palm Nursery growers recommend and guarantee this rare palm tree to grow in zones 3-10. There has been a rush by Northern nursery retailers to plant Windmill Palm trees for the home gardener, who wants that tropical look and accent around his pool or patio. The Windmill Palm tree is planted at plant nurseries from seed, where they grow about one foot each year. The slow growth of the Windmill Palm is partially responsible for its cold hardiness. Another characteristic that is inherently cold hardy is that the fibers that cover the trunk insulate the growing center of the tree. The brown-gray color of the burlap-like fibers cover the trunk like a wool covering in winter, and the dark color attracts the warmth of the sunlight. A coarse green wax covers the leaves and stems to make the Windmill Palm tree even more cold hardy.

The Windmill Palm tree is most often grown as a solitary, single trunk plant, however, some Windmill Palm nursery growers offer double or triple trees growing in the same container as large as 100 gallons. These huge 10 foot tall Windmill Palm trees are choice, tropical looking specimens for malls and at entrances to governmental buildings. The Windmill Palm tree can be easily shipped by UPS on short orders, and large Windmill Palm trees can be shipped by semi-truck, motor freight lines. Shipping Windmill Palm trees can be easily done any season, and the survival rate is excellent for large specimens. Very large specimens of Windmill Palm trees have been recently installed at the entrance of the new Cloister Resort Hotel-a 5-star hotel-located at Sea Island, Georgia, where the Windmill Palm tree is not only tropical in appearance and cold hardy, but completely resistant to the Atlantic Ocean salt water air problems. The Cloister hotel has grown smaller Windmill Palm trees at various out buildings for past years successfully. The expense of installing large Windmill Palm trees can be offset by planting small specimens that can be expected to grow about one foot each year. Because of the recent success of planting large specimen trees of the tropical looking Windmill Palm tree in Canada and Northern U.S. States, many gardeners are now experimenting with planting small Windmill Palm trees in the North, before the plant has developed a sufficient dense fiber covering to make the tree cold hardy enough to survive the deep freezes in the Northern States.

Typically the Windmill Palm tree has a history of surviving over 150 years of age in the Western World at a height of 40 feet, but accurate reports of Windmill Palm trees, native to the Island of Chusan in Eastern China, do not exist in translated texts, but conceivably could reach 100 feet in height. The rapid growth of Western influence on the development of China will undoubtedly reveal many more interesting botanical, developmental facts concerning the Windmill Palm tree in the near future.

The Windmill Palm tree appears to have all the perfection of tropical landscape gardening requirements for growing throughout the United States and cold hardy areas of Canada and Europe. Most types of soils are acceptable for growing Windmill Palms. Very few insect and disease problems exist to endanger growing Windmill Fan Palm trees. Even through slow growing, the Windmill Palm captivates the tropically minded gardener for pool and courtyard plantings. The Windmill Palm tree grows as separate male and female plants, and the date that is produced is inedible, resulting from the yellow, pleasantly, perfumed flowers that grow into blue seed, round and one-half inch in diameter.

Pat Malcolm
http://www.articlesbase.com/gardening-articles/windmill-palm-trees-tropical-accent-plants-cold-hardy-for-northern-united-states-and-canadian-gardens-138966.html