Homemade Wind Turbine Components
Wind is one of the earliest sources of energy for mankind. The process of developing wind machines has a rich history dating back to ancient times. However, wind generators have not had a very significant place in the global energy portfolio until the recent years. This is because there have been other sources of energy which have been easier to harness for the extraction of usable quantities of electricity. There is however increasing interest in the role wind power can play because of the sky rocketing cost of energy. Some people have gone ahead to design homemade wind turbines to supplement their power supply either for economic reasons or to satisfy their curiosity. In order to meet this interest, here is information relating to homemade wind turbine components.
A domestic wind turbine installation is an end to end system which generates power and sends it either to storage or to the place of use. In this sense it has parts that deal with generation, parts that deal with transmission and parts that deal with storage.
The parts of the system where electricity is generated include the blades, and the generators and the mounting unit. The blades are the ones that convert the lateral motion of the wind into a rotary motion (torque) which rotates a drive-shaft fitted to the generator. In homemade wind turbine components, the blades can be made from wood, scrap metal or PVC pipes. PVC pipes are the easiest to work with.
In a homemade wind turbine, a permanent magnet DC Motor is the best type of generating machine. The main specification is that is should be able to generate one volt for every 25 to 30 rpm. Otherwise the wind speed may not be sufficient to generate enough power for it to charge a battery.
Other parts of the homemade wind turbine components include a tail fin that helps to turn the blades into the headwind. It may also be necessary to use some kind of mounting to hold all the parts that comprise the power generation unit. Other than these parts, a mounting system, consisting of a long pole with necessary supports is necessary to hold the entire generation unit in the above the ground.
The distribution system of the homemade wind turbine components consist of a charge controller and may also include an inverter depending on the intended end uses. The role of the charge controller is to ensure that the batteries do not over charge during seasons on high winds. It also stops the battery from supplying power to the motor when the wind speeds and very low. This would result in power loss. The work of an inverter is to convert DC power from batteries to AC power at the required voltage. This unit is important if the power generated is for use in equipments that utilize AC power.
It is important to have some kind of power storage because wind is intermittent and cannot be used directly. The best storage, based on the generation capacity of homemade wind turbines, is a 12V DC battery. There are various types of batteries that meet these specifications hence it is important to consider the advantages of each before settling on one.
It is clear that most homemade wind turbine components are items that one can get from a scrap yard.
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