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    • Going Green with Solar Energy

    Solar Energy is a green way of producing electrical energy. As the source is renewable it is one of the most effective methods to generate power for household as well as commercial uses. Solar energy can be obtained as two types. These are active and passive energies. Active solar energy is a combination of the heat and light of the sun. The technology involved in this process is same as those photovoltaic cells. These cells convert sunlight into DC electricity. It can be used in any climate if sunlight is available. Active solar energy which uses the photovoltaic cells have very little carbon footprints. This power can be used to create electricity or heat water. Passive Solar Energy is the energy obtained by the use of only the heat energy from the sun. This direct heat energy can be used to dry out clay bricks, groceries, clothes, and for other day to day activities. Passive solar energy can be utilized well in homes which are constructed in an environment friendly manner. Use of heat absorbing materials in the home keeps the rooms warm and cozy. Ventilating the house properly and installing glass instead of wooden window shields can bring in more sunlight and thus save on electricity bills. Passive Solar Energy also has no carbon footprints. So you can make use of the solar energy to save on electricity bills as well as live an environment friendly life. To produce active solar energy you will have to install solar panels.

    The author has been into saving energy from past 5 years and now he invites you to understand how to save energy at home, at his website Renewable Energy 4 Earth. If you save energy, then you indirectly save money apart from reducing expenditures. Read more about the this concept, by visiting the renewableenergy4earth. com today.

    Posted: January 22nd, 2010
    at8:20am by budianto

    Tagged with Energy, Going, Green, Solar


    Categories: Sun Energy

    Comments: No comments


    Uninterruptible Power Supply – Electricity Generation & Distribution

    To fully understand and appreciate the importance of uninterruptible power supplies (UPS), it is crucial to first understand how electricity is generated and distributed in whatever country around the world you happen to be. In many Westernised societies it is tightly controlled, regulated and fairly reliable but in other areas it is not and power protection at the final point of consumption, whether business or residential, needs to bare this in mind. It may be that what’s needed is some form of micro-generation as well as uninterruptible power supply. Electricity can be derived from a number of sources these days and the call for renewable technology in response to environmental pressures means the list is getting longer. Coal, gas-fired or nuclear generation stations have been the primary methods so far but wind, wave or solar power are beginning to make their mark. The phenomenon that generates electricity is termed Electro-magnetic Induction. Its output is an alternating current (ac) waveform. The process by which this happens utilises magnets on a shaft which rotate near to windings (usually three) into which electric current is induced; referred to as Electro-motive Force. The process is the same in each case; the only difference between each of the energy generation types is the fuel it uses to make the shaft spin. The windings within a generator are separated by 120 degrees of rotation, which creates a three-phase waveform comprising of P1 (phase 1), P2 (phase 2) and P3 (phase 3) components. The measurement of kV, at which electricity is generated, varies around the world from country to country, region to region. In the UK, for example, it is typically 25kV, which is stepped up to 275/400kV before being distributed as a three-phase, 50Hz supply. It needs to be distributed at a high voltage to overcome resistance (that might be in the network) or transmission losses. As it moves through the network, however, to the point of use, the voltage is reduced. On the outskirts of major towns and cities, substations lower the voltage. In the UK this would be to 132kV. These substations are connected to even smaller substations that reduce the voltage even further to typically 33kV and 11kV (UK). These are found either within or close to the point of delivery. It is at these substations that a neutral and earth reference are added so that, in the case of the UK, a 400Vac, three-phase, plus neutral and earth (TP+N+E) can be supplied to the incomer of a site or building, which could be residential (larger buildings such as blocks of flats), commercial or industrial. The physical point at which this happens is known as the Point of Common Coupling (PCC). In the UK, a single-phase, 230Vac supply (more typically for residential consumer use) can be derived from the same substation (or incomer), by drawing on any one phase and neutral. In this way, the earth and neutral reference points are connected all the way back along the distribution network to the substation. Each country or region around the world has its own set of grid transmission and distribution codes that govern electricity generation and distribution. In particular these stipulate minimum and maximum voltage and frequency values allowed. For any site, the quality of power received through its incomer is directly affected by the performance of the electrical distribution network upstream. Today this can be intercontinental and span a range of political and cultural environments. Within a distribution network power problems can be caused by:? Network operation, grid switching, auto re-closers and fault tracing. Network hardware failure, including transformer and breaker malfunctions. Power shortages during peak demand periods when supply is restricted. Accidental severing of supply cables during construction or street works. Acts of terrorism, vandalism or deliberate sabotage. Environmental activities such as lightning, heat, rain, snow, ice, wind or wildlife. ? On any site, a stable and clean electricity supply can be affected and influenced by local overloading, simple switchgear faults and the operation of industrial or commercial equipment and fittings – including mechanical presses, welding equipment, lifts, escalators, air-conditioners, photocopiers and fluorescent lights. All of these can induce power problems into a mains power supply that may have been reasonably stable and clean beforehand. A review of power generation and distributed and the effect it might have on power quality (alongside other environmental, political and social unrest that may have an effect) has a baring on the size and type of uninterruptible power supply that may be ideally suitable to an installation. This article was compiled using information available in The Power Protection Guide – the design, installation and operation of uninterruptible power supplies (ISBN: 9 780955 442803). By Robin Koffler and Jason Yates of Riello UPS. ?

    Robin Koffler is the General Manager for Riello UPS Ltd the UK subsidiary of Riello UPS (RPS S. p. A) a leading European manufacturer of Uninterruptible Power Supplies and a co-author of The Power Protection Guide(ISBN 978-0-9554428-0-3)- available from Amazon. com

    Posted: January 22nd, 2010
    at1:49am by budianto

    Tagged with Distribution, Electricity, Generation, Power, Supply, Uninterruptible


    Categories: Generator

    Comments: No comments


    Geothermal Power as Alternative Energy

    Geothermal Power as Alternative Energy We should be doing everything possible to develop geothermal energy technologies. This is a largely untapped area of tremendous alternative energy potential, as it simply taps the energy being naturally produced by the Earth herself. Vast amounts of power are present below the surface crust on which we move and have our being. All we need do is tap into it and harness it. At the Earths? core, the temperature is 60 times greater than that of water being boiled. The tremendous heat creates pressures that exert themselves only a couple of miles below us, and these pressures contain huge amounts of energy. Superheated fluids in the form of magma, which we see the power and energy of whenever there is a volcanic eruption, await our tapping. These fluids also trickle to the surface as steam and emerge from vents. We can create our own vents, and we can create out own containment chambers for the magma and convert all of this energy into electricity to light and heat our homes. In the creation of a geothermal power plant, a well would be dug where there is a good source of magma or heated fluid. Piping would be fitted down into the source, and the fluids forced to the surface to produce the needed steam. The steam would turn a turbine engine, which would generate the electricity. There are criticisms of geothermal energy tapping which prevent its being implemented on the large scale which it should be. Critics say that study and research to find a resourceful area is too costly and takes up too much time. Then there is more great expense needed to build a geothermal power plant, and there is no promise of the plant turning a profit. Some geothermal sites, once tapped, might be found to not produce a large enough amount of steam for the power plant to be viable or reliable. And we hear from the environmentalists who worry that bringing up magma can bring up potentially harmful materials along with it. However, the great benefits of geothermal energy would subsume these criticisms if only we would explore it more. The fact that geothermal energy is merely the energy of the Earth herself means it does not produce any pollutants. Geothermal energy is extremely efficient?the efforts needed to channel it are minimal after a site is found and a plant is set up. Geothermal plants, furthermore, do not need to be as large as electrical plants, giant dams, or atomic energy facilities?the environment would thus be less disrupted. And, needless to say, it is an alternative form of energy?using it would mean we become that much less dependent on oil and coal. Perhaps most importantly of all?we are never, ever going to run out of geothermal energy, and it is not a commodity that would continuously become more expensive in terms of real dollars as time passes, since it is ubiquitous. Geothermal energy would be, in the end, very cheap, after investigation and power plant building costs are recouped. To Discover how You Can Power Your Home With Alternative Energy Click Here To Learn how You Can Convert Your Vehicle to Run on Water Click Here For Information on How To Build Your Own Electric Car Click Here

    Chris is an author, gamer, and internet enthusiast. You can check out more Info-Product Reviews here Info-Product Reviews

    Posted: January 22nd, 2010
    at1:49am by budianto

    Tagged with Alternative, Energy, Geothermal, Power


    Categories: alternative energy

    Comments: No comments


    Investing In Alternative Energy Stocks – New Way To Boost Your Profits

    Having a diverse portfolio is something investors will explain is important. This way, you don’t end up putting all of your money in one place and you can make money through many different avenues. One of the areas people are considering is investing in alternative energy stocks. This may sound like a risky venture, but any time you invest your money there is no guarantee you are going to get a positive return. Alternative energy is the wave of the future and with the rise of new companies, this could be a very profitable market. Don’t turn your back too quickly because many investors aren’t.
    Analysts? forecasts are favorable in this area. They say by 2013 it could become a $13 billion dollar industry. There are many ways to look at that. The bright side is that if you find a nice little start up company, you might have on your hands the next Microsoft. That means this tiny company became a conglomerate overnight with a beat on the market. Of course, that is always the dream and rarely happens. Realistically, these small companies could hold lots of potential, especially when a form of alternative energy is picked as the course of the future.
    There are a few reasons why investing in alternative energy stocks is a route to consider. The first thing is that more and more companies are researching how to use alternative fuels. There are many on the market already such as ethanol and biodiesels. With gasoline and oil prices being so high and the United States’ dependency on foreign oil, companies want to help eliminate these problems. Alternative energy is also less harmful to the environment. Companies are looking at ways to get renewable energy resources or ones that provide fewer emissions than are currently being used.
    However, there is the flip side to investing in alternative energy stocks. It is such an uncertain area and there is no right way to go. You could end up looking at hundreds of different stocks wondering if geothermal is the way to go or is it ethanol companies or solar power. And, that is just three alternatives energies and not counting the other ways companies are trying to find alternative energy. If you take a chance on solar power, it may turn out that oceanic thermal energy was the way all along. There is no real answer.
    Anyone considering investing in alternative energy stocks needs to consult with a financial advisor. Many have experience in this market and know more about this sector than anyone you could ever meet. They are going to show you which companies have the best upside and what alternative energy has the best chance at becoming the main power source of the future. The alternative energy market is at an important stage because it is just starting up. Many of these companies have lots of potential to offer and some aren’t even worth looking at. The financial planners will be able to send you in the right direction.
    You should be cautious, but most analysts agree that alternative energy stocks are a great place to look if you are considering investing money.

    Abhishek is an avid Environmentalist and he has got some great Alternative Fuel Secrets up his sleeves! Download his FREE 70 Pages Ebook, “Energy Conservation And Alternative Fuel” from his website http://www. Wonder-Homes. com/643/index. htm . Only limited Free Copies available.

    Posted: January 22nd, 2010
    at1:49am by budianto

    Tagged with Alternative, Boost, Energy, Investing, Profits, Stocks


    Categories: alternative energy

    Comments: No comments


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