Vertical windmill with your hands (5 kW)

The Activities of individuals and the entire present humanity, is practically impossible without electricity. Unfortunately, the rapidly increasing consumption of oil and gas, coal and peat leads to lower stocks of these resources on the planet. What you may do, it's still the people of earth have? According to the experts, the development of energy systems can solve the problems of the global economic and financial crises. Therefore, the most relevant are the search and use of fuel-free energy sources.

Renewable, environmental, “green”

Perhaps it is worth reminding that all new-is well forgotten old. The force of river flow and wind speed, people have learned to use to produce mechanical energy for a very long time. The sun heats our water and drives cars, feeds spaceships. Wheels mounted in the channels of streams and small rivers, bringing water to the fields in the Middle ages. One windmill could provide flour several surrounding villages.

At the moment we are interested in a simple question: how to ensure your home cheap light and heat, how to make a windmill with your hands? 5 kW-tion of power, or less, important to be able to supply your house current to operate appliances.

It is Interesting that in the world there is a classification of buildings according to the level of resource efficiency:

• Common built before 1980-1995;
• Low and ultra low level of power consumption – to 45-90 kWh per 1 kV/m;
• Passive and non-volatile receiving current from the renewable sources (for example, by setting the wind turbine rotor (5 kW) with your hands or a system of solar panels, it is possible to solve this problem);
• Energy-active buildings that produce more electricity than they need, get the money, placing it over the network to other consumers.

It Turns out that a private, homemade mini-station installed on the roofs and in the courts, over time, to make a kind of competition with large suppliers current. Yes, and the governments of various countries are encouraging the creation and active use of alternative energy sources.

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Researchers have shown that the reserve potential of the winds a lot more of all the accumulated centuries of fuel reserves. Among the ways of obtaining energy from renewable sources the wind turbines has a special place, since their production is easier than creating Sanaullah panels. In fact, the wind turbine 5 kW with their hands can assemble, with the right components, such as magnets, copper wire, plywood and metal for the blades.

Experts say that productive and, accordingly, the best may be the design not only of the correct form, but built in the right place. This means that you need to consider the availability, consistency and even the speed of air flow in each individual case, and even in a particular region. If in the area periodically be calm, quiet and windless days, the device of the mast with a generator will not bring any benefit.

Before you start to do a windmill with your hands (5 kW), you need to consider its model and view. Do not expect the weak structure of the large output of energy. Conversely, when you need to power only a few light bulbs in the country, it makes no sense to build a huge windmill with your hands. 5 kW-enough power to provide electricity to almost the entire lighting system and home appliances. Will the constant wind – will light.

How to make a wind generator with their hands: the sequence of actions

Selected for high mast place strengthen the wind turbine with attached generator. The generated energy goes through the wires to the correct room. It is believed that the higher the mast, the diameter of the wind wheel and stronger air flow, the higher the efficiency of the entire device. In fact, it's not quite true:

• For example, a strong hurricane can easily break the blades;
• Some models can be installed on the roof of an ordinary house;
• The correctly chosen turbine is easy to start and works fine even when the wind is very weak.

Main types of wind turbines

Considered to be a Classic design with horizontal placement of the axis of rotation of the rotor. Usually they have 2-3 blades and installed at a great height from the ground. The greatest efficiency of such installation is shown at air flow of constant direction and its speed is 10 m/s. a Significant disadvantage of this impeller design is the crash of rotation of the blades when frequently changing, gusty winds. This results in unproductive work, or to the destruction of the entire installation. To start this generator after a shutdown needs to be forced the initial spinning of the blades. In addition, when the active rotation of the blade emit a specific, unpleasant to the human ear sounds.

Vertical wind turbine (the‘Top’ 5 kW orother) has a different placement of the rotor. N-shaped or barrel-shaped turbine captures wind from any direction. These designs are smaller, run even in the weak air flow (at 1.5-3 m/s), do not require high masts, you can use them even in urban environments. In addition, the nominal power of the turbines, with their hands (5 kW - it's real) collected, reach with winds of 3-4 m/s.

Not Sail on ships, and on land

One of the popular destinations in the wind industry is now creating a horizontal generator with soft blades. The main difference is how the material of manufacture, and the form itself of the wind turbines with their hands (5 kW, the sailing type) have 4-6 triangular fabric vanes. Moreover, unlike traditional structures, their cross section increases in the direction from the center to the periphery. This feature allows you not only «catch» a gentle breeze, but to avoid losses when hurricane the air flow.

Advantages of sailing vessels following characteristics:

• High power at slow rotation;
• Self-orienting, and adjusting for any wind;
• High feathered and small inertia;
• No need of forced unwinding of the wheel;
• Completely silent rotation even at high revs;
• Absence of vibrations and acoustic disturbances;
• The relative cheapness of construction.

Windmills with your hands

5 kW the required power can be obtained in several ways:

• Build a simple rotary design;
• To assemble and consists of several successively arranged on the same axis as the sailing of the wheels;
• Use axiline design with neodymium magnets.

It is Important to remember that the power of the wind wheel proportional to the product of the cubic value of wind speed at the sweeping area of the turbine. So, how to make a wind generator to 5 kW? Instruction on.

Based on you can take the car hub and brake discs. 32 magnet (25 to 8 mm) of a parallel circle at future drives the rotor (moving part of the generator) for each disk in 16 pieces, while the pros definitely alternating with the minuses. At the opposite magnets should have different values of poles. After marking and placing all the people on the circle is filled with epoxy.

Coils of copper wire arranged on the stator. Their number must be less than the number of magnets, i.e. 12. All pre-wire is removed and connect a star or a triangle, then fill in with epoxy glue. It is recommended before filling paste inside the coils, the pieces of clay. After hardening of the resin and their removal will remain the holes needed for ventilation and cooling of the stator.

How it works

Drives the rotor rotates relative to the stator and form a magnetic field in the coil raises the current. And the wind turbine is attached through a pulley system and need to move these parts of the working design. How to make a wind generator with their hands? Some start making their own plant with Assembly of the generator. Other – with the creation of the blade rotating parts.

The Shaft from the windmill interlock sliding connection with one of the disks of the rotor. Strong put the lower bearing, a second disc magnets. The stator is fitted in the middle. All the parts are attached to the plywood circle using the long bolts and locking nuts. Among all the “pancakes” be sure to leave a minimum clearance for free rotation of the drive rotor. The result is a 3-phase generator.

“Barrel”

Left to manufacture the wind turbines. Their hands 5 kW-ing rotating the design can be made from 3 circles of plywood and sheet very thin and lightweight duralumin. Metal rectangular wings are attached to the plywood with bolts and angles. Previously in each plane of a circle hollowed out by guide groove in the form of waves, which are inserted sheets. The resulting two-storey wavy rotor has 4 blades attached to each other at a right angle. That is, between each two bonded plywood hubs of pancakes located at 2 bent in the form of waves duralumin blades.

This design is impaled by a steel pin, which will transmit a torque of the generator. Windmills, with their hands (5 kW) is designed, this design weighs about 16-18 kg at a height of 160-170 cm and the diameter of the bases of 80-90 cm.

What to consider

The Windmill-the“barrel” can be installed even on the roof of the building, although quite enough towers with heights of 3-4 meters. However, the need to protect from natural precipitation, the housing of the generator. It is recommended to install battery energy storage.

For more of a permanent 3-phase AC current is necessary in the scheme need to be enabled and the Converter.

When a sufficient number of windy days in the region of the wind turbine with your hands (5 kW) assembled, can provide a current of not only the TV and the lights, but the video surveillance system, air conditioning, refrigerator, and other appliances.