Apr
06
2009

Home Wind Generators

“Go green,” shout the environmental groups; “stop global warming,” warn scientists. There seems to be no shortage of options for going green. You can buy organic clothing, bed linens, and even furniture. Certainly there are environmentally-friendly home cleaning supplies. You can “reduce, reuse, and recycle.” But what if you’re really wanting to go green and really do your part? By now you’ve purchased a hybrid or electric car, you’ve switched to energy-efficient light bulbs, you’ve made a backyard garden and, much to the chagrin of the HOA, you’ve even re-done your landscaping to help preserve the dwindling regional water supplies. The last order of business is to remove yourself from the destructive fossil-fuel burning power grid.

build a vertical wind generator
There are many options available to you: solar power, hydro-power, and wind power. Solar power is expensive and unless you are willing to pay tens of thousands of dollars on the outset and wait years to see any return on the investment, it might not be the best choice. Hydro-power is great if you’re the Hoover Dam but not if you’re Mr. Jones; in other words, you need a gigantic water source with herculean amounts of potential energy in order to generate enough power to cover your household energy expenditure. That leaves you with wind power; the promise here is that the readily available element of wind has enough energy stored within its wisps to power your entire home.
The iconic image of the green movement is that of hundreds of wind turbines, stories tall, turning in the constant wind of the desert. Wind turbines, in large-scale, can generate massive amounts of energy. But on a smaller-scale, is it truly the producer that it is supposed to be? According to a recent study by Encraft, the average micro-turbines (or home wind generators) only produce 214 watts of power a day. That’s barely enough electricity to power 4 compact light bulbs, which is a far cry short of the massive energy needs of the average household. In another interview Matthew Rhodes mused that if home wind generators were placed in “appropriate” locations, it would be possible to achieve the desired results. What, then, is the appropriate location? According to this study, not on top of the average home. Most homes that lie in suburban areas are unable to receive the constant stream of wind necessary to power the electronics within the turbine, let alone enough wind to power the entire house. There are simply too many obstacles, such as power lines, other houses, skyscrapers, trees, to produce allow for the uninterrupted airstream. However, if you have a tract in an expansive landscape, with few or no ground obstructions to break up the airflow, then you’re in luck. Wind power for your home is both plausible and possible.
Feeling really ambitious? Why not build your own wind turbine? On the Internet, it is easy to find a number of different kits to build your own turbine. Oftentimes there aren’t disclaimers about how much actual electricity the turbine will produce. It is vital to understand that you may not be able to generate “wind power for home” solely from a single wind turbine. There are only 6 components that are absolutely necessary to make a functional home-made wind turbine. These components, in no particular order, are:
1.A generator
2.Blades
3.Mounting to keep it turned into wind (hub and shaft)
4.Tower
5.Battery
6.Electronic control system
With those 6 principle ingredients, it is possible to start producing your own energy. The design, aesthetic, and size are all up to your creativity and your willingness to spend long hours playing with the laws of aerodynamics. Yes, there are some scientific limitations to the designs you try.
The blades are perhaps the most important – and obviously visible – part of the wind turbine. The blades are vital to the transformation of the wind to mechanical energy, which becomes electricity through a number of different steps. The aerodynamics of the blades are equally important because they have to be able to “fly” through the wind. Basically, the blades need a shape that will both catch the wind and allow the main shaft to turn. The shape can be taken from a basic aircraft rotor-blade and can be utilized for this purpose. Turning the blades requires a simple motor system. The hub connects the blades to the shaft; don’t forget the shaft is turning. There is a main bearing that connects to the shaft next. Next comes the gears, a coupling and the generator. This system can be simple or complex, depending on the quality of the turbine and the engineering affinity of the builder.

  small scale home wind generator

Next is the generator. Most people recommend a simple magnet generator, which produces an alternating current of electricity (AC power). This type of energy is produced by a magnet passing over coils of thin wire; the more the magnet passes over the wire, the more energy that is produced. Connecting a series of wires together magnifies the electrical energy. Hence, the more the merrier (to a certain extent), when it comes to magnet generators. This is how your mechanical energy from the blades in converted into electricity. Most people recommend you buy a generator. Cheap AC generators can be purchased off of eBay.com or at your local hobby shop.
The electronic control is important to all wind power systems. You need the turbine, which is explained above, a battery to store the power your turbine produces, a diode that can block the energy from flowing back into the motor, a “secondary load” to act as overflow control in case the battery(s) become too full, and a charge controller. Now the charge controller schematics necessary to build your own controller are easily found on the Internet The controller has one guiding principle: it monitors the voltage of the battery and signals either the need to recharge the battery or “dumps” the excess into the stand-by mechanism.
Okay, those are all the mechanisms for the home wind power kit. You need to set the tower, running the cable inside the tower to protect it from the elements, and brace it so that the force of the turning blades does not knock the tower over.
DIY wind power is possible. When setting out to build your own wind turbine, keep in mind that the power generated might not be what you want. Nevertheless when it comes to the green movement, every little bit counts! So go ahead and go green. Catch the energy wave of homemade wind generators and ride it, laughing, all the way to the bank.

To find the best diy home wind generators plans Click Here!

  Three Reasons to Have Your Own Wind Power

  Home Wind Electricity

  Use a residential wind turbine to lower your bills

  Why Get A DIY Wind Power Kit?

  Make Your Own Home Wind Turbine 

  Home Wind Power Kit Considerations

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1 Comment »

  • Hi i have 3 wind generators and 4 solar panels my self and i run my 2 tvs and lights on them,
    i find your web site very interesting and full of useful info.
    Regards Steve

    Comment | March 11, 2009

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