Generating Electricity Using Homemade Wind Turbines

Utilizing homemade wind turbines to generate electricity is increasing in popularity. In 2010, the number of small wind turbines in the United States climbed to over 10,000, and is projected to increase another 20% in 2011. The increase in popularity is being fueled by the cost of electricity and individual desires of becoming self sufficient. This article is written with the intention of assisting those individuals who would like to begin generating electricity, by constructing and installing their own wind turbine.

Let’s Begin

First thing’s first. You will want to check a map on the wind flow for your area to determine if generating electricity with wind is an option for your geographic location. For site specific data, an anemometer is a great data collecting device.   The Extech HD300 anemometer is perfect for this project because it  has a data logger and Windows compatible software to analyze the airflow. It’s easy to set up and use, and samples wind speed throughout the day and downloads the data to a PC for evaluation. This is very important  since the power output of your turbine will increase 800% every time the wind speed doubles.

HOW MUCH WIND IS NEEDED TO GENERATE ELECTRICITY

A small wind turbine needs an approximate wind speed of 7mph to get started and an average of 10-12mph to generate electricity. Since the electricity is stored in batteries, only about 6-8 hours of wind each day is required. If your data collected from the anemometer verifies you have sufficient wind speeds; it is time to begin construction and installation

DETERMINE THE POSITION OF YOUR TURBINE

In order to optimize the performance of your turbine, you will want to locate an area clear of trees and any other obstructions that will hinder the productivity of the turbine. Many find the higher they can safely install the turbine, the better the performance.

CONSTRUCTING THE UNIT

Once you have determined where you are going to install your turbine, it is time to begin construction. Green Power Easy is an excellent step-by-step guide on the construction and assembly of your turbine. Utilizing PVC for the outer housing, blades, and tail, the turbine is practically maintenance free and can be caulked to ensure a waterproof fit. Homemade wind turbines utilize easy to find, inexpensive components for constructing and connecting the generator. Once the unit is completely assembled, attached to the mounting pole, and completely secured; it is time for the power.

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CONNECTING THE POWER

Connecting the homemade wind turbines to your power source is dependent on the style of system you are building.  A stand-alone system is not connected to the power grid and utilizes a bank of batteries to store the power generated. A hybrid system utilizes power from the power company and allocates the electricity generated from the turbine to specific appliances. Or the turbine can be tied directly into the power grid selling your energy to the power company and avoiding the need of a battery bank . Green Power Easy covers each of these options and is a great resource on collecting and using the turbine’s generated electricity.

Once the electricity is run to your designated area, you will install one or two additional components; depending on your type of system. If are using your turbine for appliances that run on AC power (includes most home appliances) or connecting the turbine to the grid, you will need a DC/AC converter. This converts the DC power from the generator to usable AC power.

If you are using a stand-alone or hybrid system with batteries, a  charge controller will be needed to prevent the batteries from overcharging.

Stand-Alone System

Since a stand-alone system is not connected to the power grid, the energy is stored in deep cycle batteries. Generally, this system consists of a number of batteries tied together and is referred to as a  “battery bank”. Since batteries consist of explosive substances, it is suggested to keep them isolated from other electronics and living areas. The stand-alone system works well in remote areas where electricity is not made available.

Hybrid System

A hybrid system is when batteries are used in conjunction with the conventional power system. This system uses the battery bank to run specific appliances and the electric company to power the remaining components. This system, is used to reduce the power demand and subsequently results in much lower electric bills.

Grid Connected System

This system uses your local power company to store and distribute the turbine’s electricity. The energy generated from the turbine is tied back into the power company’s power grid. Since the power company purchases and stores your electricity from you; there is no need for a battery bank. Contact your local power company for rates and guidance on connecting to the grid.

You’re on Your Way!

Once your homemade wind turbines are up and generating power, you are on your way to reaping the benefits of being self reliant. Solar is another excellent form of clean energy and is a great addition to your system for  those windless afternoons.

=>>Click Here For Construction Guide on Homemade Wind Turbines<<=

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