RU2794371C1 - Mobile wind power plant - Google Patents

Abstract

FIELD: mobile wind power plant.

SUBSTANCE: mobile wind power plant contains an airship with a cargo compartment. At the same time, direct current wind generators are located in the cargo compartment, at the air inlet to which there are confusers with adjustable diaphragms to accelerate the flow of air entering the wind turbine blades. In the centre of the floor of the cargo compartment there is a circular hatch hole. Along the circumference of the hatch hole, cable winches are located with wireline located on the winch drums, with one end connected to DC wind generators, and with the other ends passed through the hatch hole and connected to the upper annular part of the support bearing, which is rotatable around a vertical axis relative to its lower part. The upper part of the thrust bearing is connected to the upper part of the two closed contact ring busbars, and the lower part of the thrust bearing is connected to the lower part of the two closed ring busbars.

EFFECT: creation of a mobile wind power plant of significant power using wind turbines.

2 cl, 2 dwg

Description

Known mobile power plants driven by a diesel generator. The disadvantages of such devices are relatively low power and the use of fossil fuels.

The purpose of the invention is the creation of a mobile wind power plant of significant power using wind generators.

The disadvantages of stationary wind turbines of significant power are the costs of building foundations and high-rise towers to increase wind speed, dependence on wind speed, which can be compensated, to a certain extent, by placing the wind generator at high altitude, on a balloon.

Known invention: Aeroenergostat RF patent No. 2703863 (prototype). The disadvantages include the cost of building the foundation, the use of a gas-filled shell and the low unit power of the device.

The purpose of the invention, the creation of a mobile wind power plant of considerable power.

The mobility of the wind power plant and significant power is achieved by the fact that for the location of numerous wind turbines at a height, the "Rigid Airship" is used, RF patent No. with adjustable diaphragms to accelerate the flow of air entering the wind turbine blades. In the cargo compartment of the airship, there are electric winches, on the drums of which the necessary reserves of rope-cables are wound, a support bearing, consisting of a lower part made with the possibility of reliable fastening to the supporting surface and an upper part made with the possibility of rotation around the vertical axis of the lower part of the support bearing. The upper part of the support bearing is connected to the upper part of two closed contact ring busbars. The lower part of the supporting bearing is connected to the lower part of two closed ring busbars.

As you know, the power for horizontal-axial wind turbines is determined by the formula:

,

,

where Р _VEU - power, V - wind speed, S - swept area, ρ - air density, с _р . lies in the range of 0.45 ... 0.52 for serial modern wind turbines according to the manufacturer's statement.

The use of confusers determines a significant increase in the speed of air entering the wind generator, and hence a significant increase in power. The confuser diaphragm is used to regulate the speed of air entering the wind turbine blades and in the automatic control system to synchronize the voltage of electric generators.

Each DC generator is connected to the ends of a two-wire rope-cable wound on a winch drum. The cable-cable is made with a cable reserve between the places of its attachment to the cable, which allows, when the cable is tensioned, not to transfer the tension force of the cable to the cable.

In the floor of the cargo compartment (Fig. 1) in the center is a circular hole-hatch. Rope winches are located along the circumference of the hatch with a certain number of two-wire rope cables connected to DC generators on the winch drums. The second ends of the rope-cables are connected to the upper annular part of the support bearing, which is rotatable around the vertical axis of the lower part of the support bearing. To the upper part of the support bearing, the upper parts of two annular closed busbars are connected, containing contact electric brushes for connecting the electrical contacts of the cable-cables to them. The lower part of the thrust bearing contains the lower part of the insulated slip rings. Contact rings and brushes are protected from atmospheric precipitation. The lower part of the slip rings is connected by insulated busbars to the busbars of the DC switchgear. The batteries of the backup power supply are fed from the DC switchgear. The busbars of the DC switchgear are connected via disconnectors to inverters that convert the DC voltage into an alternating voltage of industrial frequency supplied to the busbars of the AC switchgear. The consumers are fed from the busbars of the alternating current switchgear.

In the cargo compartment of the airship there are accumulator batteries, DC and AC reactors, inverters, insulated DC buses designed for installation on the support surface area near the location of the lower support bearing ring.

Brief description of the figures. Fig. 1. 1-10. Electric generators with confusers located on them containing controlled diaphragms. 11. - Cargo compartment of the airship (top view). 12. - one of the electric generators. 13. - two-core insulated rope cables. 14. - electric winches with rope cables wound on drums. 15. A circular hole in the floor of the cargo compartment for passing cable-cables from the drums of electric winches through it. 16. Rope cables (shown when the airship is at a height). 17. - The upper part of the support bearing with cable-cables attached to it (top view). 18. - The upper part of the ring bus duct (+) (top view). 19. - The upper part of the ring bus duct (-) (top view). Fig. 2. 11. - the cargo compartment of the airship (side view). 14. - electric winches. 16. - rope-cables. 17. - The upper part of the thrust bearing. 18. - The upper part of the ring busbar (+) side view. 19-The upper part of the ring busbar (-) side view. 20. - The lower part of the support bearing, side view. 21. - Bracket-cable carrier. 22. - Insulated wire entry brackets with electric contact brushes. 23. - The lower part of the ring busbar (+) side view. 24. - The lower part of the ring busbar (-) side view. 25. - Support fastening of the ring busbars to the lower part of the support bearing. 26. - Insulated bus ducts for connecting ring bus ducts to DC switchgear. 27 - One of the DC electric generators. 28.-Confuser. 29. - Aperture.

Mobile power station is used as follows. 1. Delivered by airship to the place of work, where it lands. 2. The lower race of the thrust bearing is securely fixed in the bearing surface. 3. Batteries, DC and AC switchgears, inverters, insulated DC buses are installed near the support bearing, which are electrically connected to the lower slip rings of the ring busbars (they assemble the electrical circuit). The airship is lifted to the estimated height with the simultaneous operation of electric winches, which ensure the removal of rope-cables of the required length from the drums and the tension of the ropes. The tension of the cables determines their operation in the tension rod mode, which ensures the rotation of the upper part of the support bearing, preventing them from twisting when the airship turns towards the wind.

To change the place of use of the mobile wind power plant, the airship is lowered with simultaneous winding of the rope-cables onto the drums of electric winches, the lower part of the support bearing is disconnected from the support surface, the switchgear and other electrical equipment are dismantled and installed on the cargo compartment of the airship. Move the airship to a new place of use.

The number of wind turbines in Fig. 1. Shown conditionally and can be enlarged. The design of the airship includes the possibility of retrofitting it with wings, on which wind turbines can be located.

A mobile wind power plant determines economic advantages compared to stationary installations and a prototype due to the use of a significant number of wind power generators, the possibility of their lifting by an airship to a considerable height, and the possibility of quick delivery to the place of use.

Claims (2)

1. A mobile wind power plant containing an airship with a cargo compartment, characterized in that DC wind generators are located in the cargo compartment, at the air inlet into which there are confusers with adjustable diaphragms to accelerate the flow of air entering the wind blades of the wind generator, in the floor of the cargo compartment in the center there is a circular hole-hatch, along the circumference of the hole-hatch there are cable winches with the location on the winch drums of cable cables, one end connected to DC wind turbines, and the other ends passed through the hole-hatch and connected to the upper annular part of the support bearing, made with the possibility of rotation around a vertical axis relative to its lower part, while the upper part of the support bearing is connected to the upper part of two closed contact ring bus ducts, and the lower part of the support bearing is connected to the lower part of two closed ring bus ducts. 2. The mobile wind power plant according to claim 1, characterized in that the wind turbines are connected by a two-wire rope-cable to the winch drums with a reserve of the length of the rope-cables, the winches are made with the possibility of a controlled change in the length of the rope-cables to the attachment points on the upper part of the support bearing.

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