Wave electric station

FIELD: electricity.

SUBSTANCE: wave electric station contains operating sections each represented as hollow straight four-sided V blocks, in cross section and in the form of rectangular. It is open from the bottom and linked with water medium. The above sections are installed lengthwise closely to each other. There are two open-end longitudinal windows in the top part of V-block, which form intake and pressure main lines and rectangular windows. The sections are located between vertical boards hung butt-to-butt inside two parallel lines punched into pile bottom.

EFFECT: increased power output from plant and simplified design.

3 cl, 9 dwg

 

The invention relates to energy, in particular to the wave power plants, which convert the energy of ocean waves into electrical energy, and can be used as coastal wave power plant. The present invention is a further development of sustainable marine energy installations.

Known pneumatic Converter EN 2230852 C2, comprising a housing with a turbine generator and vanaprastham hole in the lower part of the side wall, turned towards the oncoming wave, in the sides of the case, namely in the areas likely shock waves, holes, and inside the hole end of the hydraulic valves in the form of V-shaped troughs or pipes. Known technical solution has the following disadvantages:

- from the description it is unclear what should be the length of the installation. But given the fact that the height of the unstable waves across its width and the direction of wave motion, appropriate to the shore, not always perpendicular to the shoreline, then the installation should be short, i.e. is a separate element from the turbo-generator. In this case, the thickness of individual installation cannot be large. Therefore, to create a more or less powerful power needs of many of these elements to build something under the tion of the dam or maul at some distance from the shore and parallel to the shoreline or something like promenade on the shore. But before such structures are usually built to protect from the waves.

- the reliability of the installation is small, there are at least four valves per section, failure (hang) at least one valve displays the installation of the work;

- the hydraulic valves in the form of V-shaped nozzles, i.e. siphons, does not guarantee free passage of the wave through the front perforated wall. When the excitement over the 4 time points of impact (shock) waves on the front wall of less than a second, siphons will simply not be able to skip the water, i.e. at the moment of impact wave wall will work as a solid monolithic surface and all the energy of the shock wave will have on this wall. In addition, tidal wave always carries with it the sand, algae and debris in a short time the siphons will be clogged with sand and will cease to work;

- it is unclear the definition of "compact powerful waves". Wave power depends on the amount of water, i.e. the height, length and speed of the wave. A powerful wave is high waves of great length, moving with great speed. Compact wave is the wave of the low height and length;

- in sub-zero temperatures inevitably icing siphons, valves and turbine blades, i.e. at temperatures below zero, the system will not work.

The famous "Ox the new energy storage installation (WEAU) EN 95105395. It contains at least one hollow cylinder, air duct and the receiver. The hollow cylinder in the lower part is open and partially submerged in water with some inclination in the direction of the incoming waves, in the upper part of the cylinder is narrowing, for example, cone, passing into the pipe. With the aim of increasing the capacity of the installation it can contain multiple cylinders, combined into blocks, and arrays. The duct is a system of pipes, which have built-in check valves that provide air movement in one direction from the atmosphere into the receiver. The receiver consists of a hollow container of any shape, in which the integrated safety valve, control valve and drain cock. This technical solution has the following disadvantages:

in the proposed design there are valves only on the discharge side, with the passage of the trough, the water level in the cylinder will seek down, but the check valves in this moment will be closed in the cavity between the surface water and the check valve creates a vacuum that will hold water in the cylinder. The passing trough very briefly and from the cylinder will flow out very small amounts of water. It turns out that after a few initial cycles, the water level in the cylinder is stabilized and will fluctuate within narrow limits, and the system boogerbutt idle creating and removing a vacuum in the space between the surface of the water and the check valve.

the tilt cylinder in the direction of the wave leads to the fact that the force vector of the shock wave on the side surface of the cylinder approaches the perpendicular or perpendicular to the side surface of the cylinder. In other words, the strength of the waves against the side surface of the cylinder will be either close to the maximum, or maximum, i.e. during the storm the probability of destruction of the vehicle and the more blocks of the cylinders.

The closest technical solution is a wave power plant, contains the work of the section, made in the form of a straight hollow four-sided prisms in cross section having a rectangular shape, open at the bottom and communicating with the water environment, this section is installed longitudinally in a row close to each other (GB 20068779 And 10.03.1978, F03B 13/08).

The main disadvantage of this design is that the cyclical nature of the work, i.e. depending on the increase or decrease of the water level inside the sections of the ducts will be working on the discharge or suction air. From this it follows that to ensure the continued operation of the air turbine, you must have either the rotary blades on the turbine, or a system of air channels with switching valves. Valve, controlled inflatable membranes, have pneum the optical drive and a mechanical actuator. All this greatly complicates and increases the cost of the entire structure, reduces the reliability of the entire system. This wave power plant designed to be placed in the dam or breakwater and can work effectively as tidal power plant or as a cumulative river, but as the wave power plant to operate effectively cannot. The transit time of the waves is calculated in a matter of seconds, respectively, and the water level inside the sections will change quite rapidly, at an average wave about 10 full cycles per minute. One full cycle of the valve should work on 2 times (open and close), thus, it turns out that in the variation of wave power station valves will operate continuously, with a large number of cycles, and hence heavy wear and frequent repairs. In addition, sea wave always carries a sand algae and debris, and construction in the form of a dam or mole channels and valves in the lower part will certainly lead to a rapid clogging of these channels. Thus, as the wave power plant this solution is not efficient and is not advisable.

The objective of this technical solution is to provide a simple and effective installation, can convert the energy of breaking waves into electrical energy. The technical result which is to increase the plant capacity and the ease of execution. It is achieved by the fact that in the wave power plant, contains the work of sections, each of which is made in the form of a straight hollow four-sided prisms, in cross section having a rectangular shape, open at the bottom and communicating with the water environment, this section is installed longitudinally in a row close to each other in the prism according to the invention in the upper part is made of two end-to-end lengthwise of the window, forming a suction and discharge line and a rectangular window in the inner grooves of rectangular Windows installed the intake and exhaust valves, and section placed between the vertical panels, hinged butt inside two parallel rows of hammered in the bottom of the pile. In the assembled form of the wave power plant is a pier or breakwater,

Figure 1 - working section; figure 2 is a cross-section of the working section; figure 3 - valve, side view (cross-section vertical), 4 - valve, front view; figure 5 - valve (General view); 6 is a longitudinal section of the installation, Fig.7. diagram of the operation of the two units, Fig - cross section three-installation figure 9 - section with linear or piezoresistors.

Wave power plant consists of a series of hollow sections 1, installed longitudinally in a row close to each other and placed inside between the vertical panels 2. Shields hung butt inside two parallel rows of hammered is in the bottom of the pile 3. On the upper ends of the piles stacked supporting beams 4, which are mounted shields 2. Section 1 is made in the form of a straight hollow four-sided prisms open bottom, in cross section having the shape of a rectangle. In the upper part of section 1 has two end-to-end longitudinal window 5 formed by the upper plate, side walls, internal oblique and vertical partitions. Vertical partitions are rectangular window 6 with internal grooves for intake and exhaust valves 7 and 8. The valves are inserted from above through the hole in the top plate. Themselves valves 7 and 8 is exactly the same, made in the form of a rectangular frame with horizontal baffles, which on the one hand lapped attached strips of soft material such as rubberized fabric, rubber or synthetic material. On three sides, bottom, and sides of the frames have protruding ribs, designed for capturing and correct orientation of the valve in the Windows. For proper orientation of the valves 7, Windows 8 6 in the slots of the Windows are inserted U-shaped mounting frame (not shown). Assembled box form 5 air line and depending on which way you turn the valve, the line will discharge 9 (+) or suction 10 (-). For sealing air lines, formed by the Windows 5, along the perimeter of the window is repeats sealing gasket (not shown). As during operation in the discharge line 9 will inevitably accumulate water, to remove it at the base, in front of the air inlet pipe, there is a well and a valve with a float (not shown). The assembled structure is a pier or breakwater, and may optionally be used. From the shores of the structure is supported on a concrete base 12, with the sea at the end of construction, there is the fairing 13 that protects the front end from the shock waves. The wave power plant is as follows:

during the passage of waves within each section 1 alternately changing the water level and correspondingly the displacement or absorption of air. Displaced air exits through the exhaust valve 8 in the discharge pipe 9 from the discharge line to duct the air enters the turbine 14 and leads her in action from the turbine air enters air chamber 15. The air chamber 15 is a hollow chamber connected with the atmosphere, with two opposite sides of the cavity includes a duct from the discharge side and the inlet from the suction side. The intake air enters through air inlet to the turbine 16, leads her into action, then the duct enters the suction line 10 and through the inlet valve 7 is supplied NR is tri section 1. Torque from the turbine 14 and 16 through the gear 17 is transmitted to the generator 18. Because the installation consists of multiple sections, then at any point in time in some sections is the displacement of air (↑), in other absorption (↓). Thus, it appears that in the discharge cavity creates a constant air pressure in the intake cavity creates a constant pressure, i.e. the flow of the displaced and the intake air is uniform and constant. Moreover, the number of displaced air approximately equal to the number absorbed. As superseded and the intake air passing through the air chamber 15, it turns out that the displaced air is immediately supplied to the suction intake, it follows that the air chamber maintains the temperature of the working air approximately at the same level, just above the water temperature. It is very important for winter time, i.e. prevents freezing the suction side of the turbine at sub-zero temperatures of atmospheric air.

In case, if for any reason it is impractical to use an air turbine, the possible use of piezoresistors or linear generators. To do this, inside the working sections is installed membrane 19, is installed over the membrane of piezoresistor or linear generator 20 connected by a rod 21 with member the Noah 19 and attached to the upper section. The intake and exhaust valves are removed, and the air routes 9, 10 are stacked electrical cables. When this suction and discharge line must be opened from the shore, i.e. to communicate with the atmosphere. The membrane 19 is set to maximum height before narrowing. Does this setting in the following way passing wave changes the level of water under the membrane 19 and the air cushion between the membrane and water either raises or lowers it. The stem 21 of the linear generator or a piezoelectric element performs reciprocating motion vertically and actuates linear or piezoresistor.

The present invention is simple in execution, may produce more power, is mounted from the land, from the shore, without the use of specialized courts. The turbine generator is located on the shore in a separate room. The scheme is very flexible, since the length of the design is limited only by the depth and bottom topography, width design can have from 1 to 5 rows, one turbine can operate simultaneously several series of work sessions. As a working element can be used impeller or air turbine axial or radial types, linear or piezoresistor. In addition, if necessary, this scheme allows Rugate wave power plant off shore in the open sea, in this case, the turbine generator is mounted directly on the construction, but the construction itself can be used as a heliport or mooring platform.

1. Wave power plant, contains the work of sections, each of which is made in the form of a straight hollow four-sided prisms, in cross section having a rectangular shape, open at the bottom and communicating with the water environment, this section is installed longitudinally in a row close to each other, characterized in that the prism in the upper part is made of two end-to-end lengthwise of the window, forming the suction and discharge line and rectangular Windows, and partitions placed between the vertical panels, hinged butt inside two parallel rows of hammered into the bottom of the pile.

2. Wave power plant according to claim 1, characterized in that in the inner grooves of rectangular Windows installed the intake and exhaust valves.

3. Wave power plant according to claim 1, characterized in that in the assembled condition is a pier or breakwater.



 

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EFFECT: increased efficiency of wave power plant operation by increase of share of wave kinetic energy transformed by plant into mechanical energy of rotary shaft.

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FIELD: electricity.

SUBSTANCE: system includes a number of generator units (4a-6c) located in sea and a number of switchgear (1a-1c) located in sea. Each switchgear (1a-1c) is connected with a number of generator units (4a-6c). According to the invention, the system comprises a number of primary intermediate stations (17a-17c). It also includes at least one secondary intermediate station (19). Each primary intermediate station (17a-17c) is linked with a number of switchgears, and each secondary intermediate station (19) is connected with a number of primary intermediate stations (17a-17c). In addition, the secondary intermediate station is connected with on-land electrical network. The switching device (192) is available to ensure connection with different locations (193, 194, 195) of electrical network.

EFFECT: creation of system which is technically and economically compatible for supplying power to common electrical network.

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FIELD: electricity.

SUBSTANCE: wave electric station contains operating sections each represented as hollow straight four-sided V blocks, in cross section and in the form of rectangular. It is open from the bottom and linked with water medium. The above sections are installed lengthwise closely to each other. There are two open-end longitudinal windows in the top part of V-block, which form intake and pressure main lines and rectangular windows. The sections are located between vertical boards hung butt-to-butt inside two parallel lines punched into pile bottom.

EFFECT: increased power output from plant and simplified design.

3 cl, 9 dwg

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