Homemade wind turbine. General description of the wind turbine UD-1,6. Scheme, description

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Homemade wind turbine. General description of the wind turbine UD-1,6. Encyclopedia of radio electronics and electrical engineering

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A general view of the UD-1,6 wind turbine is shown in fig. one.

On fig. 2 shows the head of the wind turbine with all the details. Here, the two-wing propeller 1 is directly mounted on the generator shaft 6.

Two plates 10 and 11 are screwed to the generator with screws (bolts), interconnected by a Z-shaped riser 12. The frame formed by them, being mounted on a vertical pipe 44, can be easily rotated, for which there is a cutout in the bottom plate 11 corresponding to the outer diameter of the pipe , and on the riser 12 there is an appropriate emphasis.

Downwind, the engine is installed using tail 17 with plumage 21 (Fig. 1).

Homemade wind turbine. General description of the wind turbine UD-1,6
Fig.1. General view of the wind turbine UD-1,6.

Wind turbine UD-1,6 is equipped with protection against accidents during a storm. A protective device in the form of a side shovel 31 with a feather 30 (Fig. 1) takes the wind turbine from its working position to idle and stops it when the wind is too strong. When the wind weakens, the spring 20 puts the engine back into working position.

On fig. 3 arrows show the direction of the wind and its relative speed (the longer the arrow, the greater the wind speed). The engine is shown here in plan, that is, as if it were seen when viewed from above.

On fig. 3when the wind speed is not more than 8 m/s, the wind turbine is in the working position, i.e. in a plane perpendicular to the wind direction. In this case, the side shovel is perpendicular both to the direction of the wind and to the tail standing downwind, since the wind pressure on the shovel is not enough to stretch the spring 20.

When the wind increases (Fig. 3, b), its pressure on the shovel increases. The wind stretches the spring 20, and the wings (together with the head) turn at a certain angle to the direction of the wind. As a result, the wind pressure on the wings is reduced, and the engine develops less power and rpm.

With further intensification of the wind and its pressure on the shovel, the wing head rotates more and more, and, finally, during a very strong storm, the wind pressure on the side shovel becomes so great that the spring is fully stretched and the wing head rotates to the position shown in Fig. 3b. In this case, the direction of the wind coincides with the plane of rotation of the wings, and they stop rotating. In this case, the wind pressure on the wings will decrease tenfold compared to the position in Fig. 3a, and the stopped engine will not be destroyed, despite the strongest wind.

Flexible rod 41 (fig. 2) makes it possible in the working position according to fig. 3a, set the angle of 90° between the tail and the shovel, without allowing the spring 20 to overtighten the head.

Homemade wind turbine. General description of the wind turbine UD-1,6
Fig.2. Wind turbine head UD-1,6.

In order to stop the engine from the ground manually, a flexible rod 42 is used in the form of a cable, which is thrown over the rollers 33 into the pipe 44 and lowered down to the ground. Using this cable from the ground, you can pull a shovel to the tail, and then the engine stops, as in a strong wind (Fig. 3, c).

Homemade wind turbine. General description of the wind turbine UD-1,6
Fig.3. Wind turbine protection scheme from a storm

The engine has a pantograph under its head, which ensures the passage of current from the generator to the consumer with all the turns of the head in the wind.

Author: Perli S.B.

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