KR101386699B1 - Solar-wave-wind combined mooring power generation unit and system - Google Patents

Abstract

The present invention relates to a solar-wave-wind combined power generation apparatus including a frame mooring on the surface of the sea and having a flow channel therein; a first module having a solar cell on one side and a floating member on the other side to float the solar cell on the surface of the sea; a rotary shaft fixed to the frame by extending from one side of the first module so that the first module rotates by waves; and a second module of which one end is connected to the first module and the other end reciprocates in the longitudinal direction of the frame. The apparatus can generate electricity, desalinate the seawater, and supply emergency power and cooling water at station blackout.

Description

Marine-Mounted Solar-Wave-Wind Combined Cycle Power Plant and System {SOLAR-WAVE-WIND COMBINED MOORING POWER GENERATION UNIT AND SYSTEM}

The present invention relates to an offshore mooring solar-wave-wind combined cycle generator and a power system having the same.

Power generation by Ocean Renewable Energy has been attempted by offshore wind power generation, offshore marine mooring solar and solar power generation, wave power generation, tidal power generation, and tidal power generation.

Among them, marine photovoltaic power generation has advantages in terms of power generation efficiency and land security than on land, but the performance of photovoltaic effect (PV effect) due to sea mooring and salinity during long-term operation such as typhoon The problem of degradation arises.

As for wave power generation, animal body type and vibration ordering method are mainly used, and technological progress has been made by field test to commercialize MW-class wave power generation device in European countries, etc. Recently, wave power generation system using breakwater in Korea has been developed. It is a trend being studied. Breakwaters equipped with wave power generation systems, unlike buried breakwaters, have been evaluated in an environmentally friendly way because they do not interfere with the flow of seawater, which can reduce marine pollution and only block about 20% of sea level.

The development of breakwaters has been in progress since the 1980s, and there have been examples of field breakwater tests in Japan, box model marine breakwaters in the US Army, and marine breakwaters using automobile tires. Recently, studies on breakwaters equipped with wave power generation systems and offshore mooring breakwaters tend to be attempted in Korea.

In addition, offshore wind power has entered the commercial development stage technically, such as building offshore wind farms at home and abroad. Recently, the development of a combined power plant for efficient use of marine renewable energy, such as tidal- tidal combined power generation, offshore mooring wave-wind-solar combined power generation, has been attempted.

In the case of the [Korea Patent Publication No. 10-2012-0000325, 'combined power generation system using the current, solar and wind at the same time'], the energy efficiency obtained by the unit facility was maximized by simultaneously using three energy sources. However, in the case of such a structure, the generation efficiency per unit facility is high, but there is a problem that it is difficult to use as emergency power (power station, etc.) that is fixed to a specific location and must be supplied with power stably.

In addition, in the case of [Korea Patent Publication No. 10-2004-0107164, 'Helical type marine combined cycle power plant with a composite generator'], it can be fixed on the bottom of the sea to provide a stable power, but fixed after installing the device on the bottom There is a problem that it is difficult to maintain the state for a long time.

The present invention is to provide a marine mooring solar-wave-wind combined cycle power generation apparatus (hereinafter referred to as a composite power generation apparatus) and a method capable of supplying electric power more stably.

In order to solve the above problems, the composite power generation apparatus according to an embodiment of the present invention is a frame mooring on the sea surface and a fluid flow path is formed therein, and the solar cell is mounted on one surface and floats the solar cell on the sea surface A first module including a floating body formed on the other surface thereof, a rotation shaft extending from one side of the first module to be fixed to the frame so that the first module rotates by blue, and the first module is fixed to the frame. And a second end coupled to the frame, the second end having an actuator mounted to the frame, the second module being arranged to reciprocate therein.

As an example related to the present invention, the second module may include a body having a hole into which seawater is introduced, a piston disposed to reciprocate within the body, and a rotational motion of the first module to reciprocating motion of the piston. And connecting members connected to the piston and the first module, respectively.

As another example related to the present invention, the hybrid power generation apparatus further includes a turbine and a generator integrated with the flow path.

As another example related to the present invention, the frame further includes a cover including at least a part of opening and closing at least a portion of the seawater inflow hole and including a fixed end constituting a rotating shaft and a free end reciprocating according to the fluid flow.

In order to realize the above object, the present invention provides a facility having a seawater inflow path, a frame mooring on the sea surface and having a first flow path formed therein, and a second extending from the first flow path and connected to the facility. A first module including a flow path, a floating body mounted on one surface of the solar cell, and a floating body formed on the other surface to float the solar cell on the surface of the sea, and one of the first modules to rotate the first module by blue. A power system including a second module extending from a side and connected to the first module with one end connected to the first module and having a second end reciprocated in the actuator to supply seawater to the facility through a rotating shaft fixed to the frame and the flow paths. Initiate.

As an example related to the present invention, the second module may include a body having a hole into which seawater is introduced, a piston disposed to reciprocate within the body, and a rotational motion of the first module to reciprocating motion of the piston. And connecting members connected to the piston and the first module, respectively.

As another example related to the present invention, the composite power generation apparatus includes a turbine operated by the flow of the seawater.

As another example related to the present invention, the frame further includes a wind power generation module protruding from the frame.

As another example related to the present invention, the frame further includes a tidal current generation module formed to extend underwater.

As another example related to the present invention, the facility may include a third flow path through which the seawater is discharged, and the frame may be connected to the third flow path and moored at the sea surface.

The composite power generation apparatus according to at least one embodiment of the present invention configured as described above includes a frame mooring at sea and a solar module connected to the frame and rotating according to sea level changes, such as blue, typhoon, tsunami, and the like. In the marine climate environment, it is possible to prevent the breakdown of solar cells and to produce electricity stably.

In addition, by having a module for inducing the flow of current by the movement of the solar module, wind power generation module and wave power generation module, it is possible to produce DC power and AC power at the same time.

In addition, it is connected to the seawater desalination plant, can supply the seawater to the plant, and also connected to the power plant facilities, when the intake of cooling water (deep seawater) due to typhoons, etc. can take in the seawater (intake) to the plant In case of power plant accidents, it can supply vital power.

1 is a perspective view showing the structure of a first module of a combined cycle power generator according to an embodiment of the present invention.
2A is a plan view of the first module of FIG. 1.
2B is a side view of the first module of FIG. 1.
2C is a front view of the first module of FIG. 1.
3 is a conceptual diagram of a combined power generation apparatus according to the present invention.
4 is an enlarged view of a frame of the combined cycle power generator shown in FIG. 3.
5 is a conceptual view showing the structure of a second module of a combined cycle apparatus according to another embodiment of the present invention.
6 is a conceptual diagram of a power system according to an embodiment of the present invention.
7 is a conceptual diagram of a power system according to another embodiment of the present invention.
8 is a conceptual diagram illustrating a mechanism of a second module.
9 is a conceptual diagram illustrating another embodiment of the second module of FIG. 8.
10 is a conceptual diagram of a power system showing another embodiment of the power system of FIG.

Hereinafter, the combined cycle generator 200 and the power system according to the present invention will be described in more detail with reference to the accompanying drawings. In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

1 is a perspective view showing the structure of a first module 100 of a hybrid power generation apparatus 200 according to an embodiment of the present invention, Figure 2a is a plan view of the first module 100 of Figure 1, Figure 2b is a view Side view of the first module 100 of FIG. 1, and FIG. 2C is a front view of the first module 100 of FIG. 1.

The first module 100 may be a solar module for the composite power generation apparatus 200 according to an embodiment of the present invention.

1 and 2A, 2B, and 2C, the composite power generator 200 includes a solar cell 101, a casing 102, a connection portion 105 to which a connection member 303 is connected, and a floating body 103. , buoy, the rotating shaft 104 is formed so that the first module 100 can rotate 180 degrees, the rotating shaft connecting member (104a) connecting the rotating shaft and the casing, and prevent damage of the solar cell (101) It may include a protective film of a transparent material, a terminal box 106 and an electric wire.

The solar cell 101 generates a photovoltaic effect (PV effect) from sunlight, and according to an embodiment of the present invention, one surface of the first module 100 so that the photoelectric effect of the solar cell 101 may occur. It is mounted on the other surface, the floating body 103 is formed so that the first module 100 can rotate up to 90 degrees up and down relative to the free sea surface. In the following, free sea level means calm sea level without blue.

In the first module 100 according to an embodiment of the present invention, a floating body 103 is disposed on the other surface, and the floating body 103 is located at the other side of one side of the first module 100 in which the rotating shaft 104 is disposed. The higher you go, the higher the height. That is, the floating body 103 may be formed asymmetrically in the center of the first module 100.

In addition, according to an embodiment of the present invention, in order to prevent the first module 100 from being overturned by blue, the rotation angle of the first module 100 is rotated halfway (+90 degrees to -90 degrees) perpendicular to the sea level. Limit).

A method for using the second module 300 for wave power generation in connection with the first module 100 will be described. The first module 100 may rotate in the range of 180 degrees (+90 degrees to -90 degrees) based on the free sea surface according to the blue, and rotates about the rotation axis 104, and the floating combined cycle power generator 200 The second module 300 is mounted on the bottom of the frame 201 to convert the rotational motion of the first module 100 by the blue into a reciprocating motion of the piston 302 of the second module 300 so that the seawater is the second module. Is introduced through the 300 is made of a configuration for moving to the wave generator 400 through the inside of the frame 201.

At this time, the piston 302 of the second module 300 mounted to the frame 201 performs a linear reciprocating motion along the frame 201, the sea water moves in one direction (wave generator direction).

The rotating shaft 104 may be a central axis of rotation of the first module by blue, and may be connected to the frame by forming a ring-like shape as shown.

The rotary shaft connecting member 104a is for maximizing the kinetic energy of the first module due to the blue wave. That is, the rotary shaft connecting member 104a connects the rotary shaft 104 and the casing 102 spaced apart from each other. The casing of the first module is moved away from the center of rotation, so that the vertical motion of the first module is large even when the crest is low.

According to another embodiment of the present invention, the rotary shaft 104 and the casing 102 are connected to each other, a separate rotary shaft connecting member may not exist.

3 is a conceptual diagram of a combined power generation apparatus 200 according to the present invention.

Referring to FIG. 3, the hybrid power generation apparatus 200 according to an embodiment of the present invention includes a first module 100, a second module 300, a wind power generation module 500, and a tidal current generation module ( 600, a frame 201, an anchor 202, a first wiring 402, a second wiring 403, and the like.

The first module 100 may be a photovoltaic module, and may include a solar cell 101, a casing 102, a float 103, and a buoy, which generate a photovoltaic effect (PV Effect) from sunlight. In addition, the first module 100 includes a rotating shaft 104 formed to enable a 180 degree rotational movement, a protective film made of a transparent material to prevent damage of the solar cell 101, a terminal box 106, an electric wire, and the like. can do.

According to an embodiment of the present invention, the wind power generation module 500 has a shape protruding upward from the frame 201, and the tidal current generation module 600 has a shape that extends underwater in the frame 201. The wind power generation module 500 and the tidal current generation module 600 are selectively mounted to the frame 201.

The frame 201 may be manufactured to have buoyancy and float on the sea surface, and a flow path is formed therein. The flow path is connected to the turbine 401 for wave power generation and becomes a movement path of the seawater introduced by the second module 300. The seawater introduced into the flow path receives a force in one direction by the second module 300 reciprocating in the frame 201. The seawater flowing through the flow path rotates the turbine 401, and electric power is produced by the rotation of the turbine 401.

One end of the anchor 202 is connected to the composite generator 200 to moor the composite generator 200 to the sea surface.

The first wire transmits the DC power produced by the first module 100, and the second wire transmits the AC power produced by the wind power generation module 500 and the tidal current generation module 600. The wires are connected to the electrical chamber 700.

The electric room 700 converts or stores the production power of the complex power generator 200 and supplies power to the user.

4 is an enlarged view of the frame 201 of the combined cycle power generator 200 shown in FIG. 3.

Referring to FIG. 4, the second module 300 is connected to the first module 100 so as to convert wave energy into kinetic energy. One end of the first module 100 is connected to the rotating shaft 104 fixed to the frame 201 and the other end is connected to the second module 300.

The body of the second module 300 may be formed in the frame 201. The frame 201 may have a shape in which two flow paths overlap with each other. In other words, the frame 201 may include a first flow path I and a branch flow path II branched from the first flow path I, and the body of the second module 300 forms the branch flow path II. It may be a shape that protrudes. A seawater inflow hole may be formed between the first flow passage I and the branch flow passage II.

The piston 302 is disposed inside the body to enable reciprocating motion. The piston 302 and the first module 100 are connected by a connecting member. The body may further include a valve device for introducing seawater into the frame 201 and preventing leakage. According to another embodiment of the present invention, the frame 201 includes a cover 304 for opening and closing at least a portion of the seawater inlet hole. ) Can be mounted.

5 is a conceptual diagram illustrating a structure of the second module 300 of the combined cycle power generation apparatus 200 according to another embodiment of the present invention.

Referring to FIG. 5, the second module 300 includes a cylinder body, a piston 302, a connecting member 303, and the like.

The connecting member 303 connects the piston 302 and the connecting portion 105. The connecting portion 105 may be formed at both side edges of the first module as shown in FIG. 1. The connection portion 105 may be formed in a ring shape.

One connection member 303 may be connected to one second module. In other words, according to one embodiment of the present invention, one connecting member 303 is coupled to one piston 302 such that the piston 302 reciprocates between A 'and B'.

According to another embodiment, as shown in FIG. 4, two adjacent first modules arranged in one frame may be formed to simultaneously drive one second module. It is also possible that three or more first and second modules are configured to operate simultaneously.

The operation of the second module 300 will be described in more detail as follows. When the first module 100 moves from the position B to the position A by blue, the piston 302 linearly moves in the direction A '. When the first module 100 moves from the A position to the B position, the piston 302 linearly moves in the B 'direction. That is, the rotational motion of the first module 100 is converted into the linear motion of the piston 302. Between A 'and B' may be a hole in which seawater flows into the cylinder body. The positional relationship of the piston 302 according to the movement of the first module 100 may be changed by adjusting the distance between the cylinder body and the first module 100 or the length of the connection member 303. In other words, the piston 302 may be in close contact with the right side of the cylinder body at free sea level, and the piston 302 may be in close contact with the right side when the first module 100 is raised or lowered by blue. Can be. 5 is a layout of the piston and the first module and the like according to an embodiment of the present invention and the scope of the present invention is not limited to the above position.

As shown in FIG. 5, when the first module 100 is raised by blue, the piston 302 connected to the first module 100 moves to the right side of the cylinder body, and seawater is introduced into the cylinder body through the hole. Inflow. When the first module 100 is lowered by the blue again, the piston 302 moves to the left side of the cylinder body. At this time, the piston 302 pushes the seawater introduced into the cylinder body in one direction. The seawater pressurized by the piston 302 moves in one direction along the flow path of the frame 201.

According to another embodiment of the present invention, the frame 201 may be equipped with a cover 304 for opening and closing at least a portion of the sea water inlet hole. The cover 304 includes a fixed end 304b constituting the rotating shaft 104 and a free end 304a reciprocating as the fluid flows through the seawater inlet to the first flow path I. That is, the lid 304 is opened when seawater is pressurized by the piston 302 and is closed when the piston 302 is returned to the pre-pressurized position. More specifically, when the piston 302 moves from A 'to B' and pressurizes the seawater, the cover 304 is pushed toward the first flow path I. By the force, the free end 304a is lifted and seawater flows into the first flow path I along the open seawater inlet hole. When the piston 302 moves from B 'to A' again, the force pushing up the cover 304 disappears and the free end 304a descends to close the seawater inlet hole.

6 is a conceptual diagram of a power system according to an embodiment of the present invention.

Referring to FIG. 6, the power system includes a composite power generator 200, a second flow path III for supplying seawater delivered from the combined power generator 200 to the seawater desalination plant 801, an electric chamber 700, and the like. It may include.

The composite power generation apparatus 200 includes a first module 100, a second module 300, a wind power generation module 500, a tidal current generation module 600, a frame 201, an anchor 202, , First wiring, second wiring, and the like. The first wire transmits the DC power produced by the first module 100, and the second wire transmits the AC power produced by the wind power generation module 500 and the tidal current generation module 600. The wires are connected to the electrical chamber 700. The power produced by the second module 300 is supplied to the seawater desalination plant 801 through the electric chamber 700. That is, the seawater desalination plant 801 receives DC power produced by the first module 100 and AC power produced by the second module 300, the wind power generation module 500, and the tidal current generation module 600 together. Can be.

The frame 201 may be manufactured to have buoyancy and float on the sea surface, and a first flow path I is formed therein. The first flow path I is connected to the turbine 401 for wave power generation and becomes a movement path of seawater introduced by the second module 300. The seawater introduced into the first flow path I receives a force in one direction by the second module 300 reciprocating in the frame 201. The second flow path III extends from the first flow path I and is connected to the seawater desalination plant 801. Seawater flowing through the first flow path I rotates the turbine 401, and electric power is produced by the rotation of the turbine 401. The seawater having passed through the first flow passage I is supplied to the seawater desalination plant 801 through the second flow passage III. That is, the seawater used for wave power generation can be used in the seawater desalination plant 801 without draining to the ocean.

7 is a conceptual diagram of a power system according to another embodiment of the present invention.

Referring to FIG. 7, the power system includes a combined power generator 200, a second flow path III for supplying seawater delivered from the combined power generator 200 to the power plant facility 802, an electric chamber 700, and the like. can do.

The composite power generation apparatus 200 includes a first module 100, a second module 300, a wind power generation module 500, a tidal current generation module 600, a frame 201, an anchor 202, , First wiring, second wiring, and the like. The first wire 701 transmits the DC power produced by the first module 100, and the second wire 702 transmits the AC power produced by the wind power generation module 500 and the tidal current generation module 600. . The wires are connected to the electrical chamber 700. The power produced by the second module 300 is supplied to the power plant facility 802 through the electric chamber 700. That is, the power plant equipment 802 may be supplied with the DC power produced by the first module 100 and the AC power produced by the second module 300, the wind power generation module 500, and the tidal current generation module 600 together. It can be used as emergency power of the power plant.

The frame 201 may be manufactured to have buoyancy and float on the sea surface, and a first flow path I is formed therein. The first flow path I is connected to the turbine 401 for wave power generation and becomes a movement path of seawater introduced by the second module 300. The seawater introduced into the first flow path I receives a force in one direction by the second module 300 reciprocating in the frame 201. The second flow path III extends from the first flow path I and is connected to the power plant facility 802. Seawater flowing through the first flow path I rotates the turbine 401, and electric power is produced by the rotation of the turbine 401. The seawater having passed through the first flow passage I may be used as cooling water of the power plant through the second flow passage III. It may be discharged through the subsea tunnel 803 for the hot water of the power plant.

The combined power generating anchor can be anchored to the subsea tunnel 803 for warm drainage and moored at sea level.

According to an embodiment of the present invention, the composite power generation apparatus 200 is naturally cooled by the solar cell 101 by the air and sea water, and uses the wind and wave power and ocean current energy for wave power generation, solar cell 101 By providing the DC power and the AC power by the wave generator 400 at the same time provides an advantage. In addition, the photovoltaic module and the frame 201 of the hybrid power generation unit 200 is formed as a component for the buoy (103) and wave power generation, or the photovoltaic module frame 201 of the composite power generation unit 200 Built in to provide a feature that prevents damage to the solar cell 101 and the mooring of the combined cycle 200 even in marine climatic environments such as typhoons and tsunamis.

In addition, the composite power generation unit 200 provides the advantages of power and seawater supply for seawater desalination, and provides an advantage that can be applied to supply emergency power and cooling water (deep seawater) in preparation for accidents of power plants.

In addition, the composite power generation apparatus 200, in order to optimize the performance and cost of the marine mooring-type combined cycle power generation using solar, wave power, wind power of the marine renewable energy, as well as the generation of DC power as well as the configuration of wave power generation It utilizes as an element, and also by passing the wind energy to the wave generator 400 has a structure that does not need to configure a separate wind generator.

FIG. 8 is a conceptual diagram illustrating a mechanism of a second module as an embodiment to which a general hydraulic circuit commonly used for Wave Energy Convert (WEC) is applied.

At sea level, waves are forced up and down. The combined cycle apparatus of the present invention is designed to use such wave energy. That is, the floating body 103 is attached to one surface of the first module to allow the first module to move up and down by waves.

As shown, two or more modules may be connected to the rod connecting member 303a. That is, when the wave power of the coast where the combined power generation apparatus is installed is not strong, two or more first modules may operate the second module as described above. The rod connecting member 303a is connected to one end of the rod ROD to apply a force to the rod. The other end of the rod RD is connected to the piston and transmits force to the piston.

9 is a conceptual diagram illustrating an embodiment of a configuration of a hydraulic circuit applied to the second module of FIG. 8.

A hydraulic circuit such as shown can be applied to the combined cycle unit so that it can continuously produce alternating current power without interruption.

FIG. 10 is a conceptual diagram of a power system illustrating still another embodiment of the power system of FIG. 7.

As shown, the power system may include a plurality of multiple power generation apparatuses 200. The plurality of combined power generation apparatuses are fixed to the subsea tunnel 803, respectively, and are designed to be able to withstand strong waves by being connected to each other between the frames.

The combined power generation method uses the wind energy and the wave energy to accelerate seawater for driving the wave generator 400, and the seawater used for the wave power generation provides an advantage of being used as seawater desalination or power plant cooling water.

Therefore, it provides a means for supplying emergency power and cooling water in the case of seawater desalination and station blackout (SBO) for power generation and seawater taken by the composite power generation apparatus 200. In addition, when applied to a nuclear power plant by using the subsea tunnel 803 for anchoring the nuclear power plant as an anchor 202 provides the advantage that the combined power plant 200 can be moored on the free sea surface even in marine climatic environments such as typhoons and tsunamis. do.

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions. It is therefore to be understood that within the scope of the appended claims, the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

Claims (10)

A frame mooring at sea level and having a flow path formed therein;
A first module having a solar cell mounted on one surface and a float formed on the other surface to float the solar cell on the sea surface;
A rotating shaft extending from one side of the first module and fixed to the frame such that the first module rotates by blue; And
One end is connected to the first module and the other end comprises a second power module including a second module formed to reciprocate in the longitudinal direction of the frame. The method of claim 1,
Wherein the second module comprises:
A housing having a hole into which seawater is introduced;
A piston arranged to reciprocate in the housing; And
And a connecting member connected to each of the piston and the first module to convert the rotational motion of the first module into the reciprocating motion of the piston. The method of claim 1,
And a turbine connected to the flow path. 3. The method of claim 2,
The frame includes:
Opening and closing at least a portion of the seawater inlet hole, the composite power generation apparatus comprising a cover including a fixed end constituting a rotation axis and a free end reciprocating according to the fluid flow. A facility having a seawater inflow path;
A frame mooring at sea level and having a first flow path formed therein;
A second flow passage extending from the first flow passage and connected to the facility;
A first module having a solar cell mounted on one surface and a float formed on the other surface to float the solar cell on the sea surface;
A rotating shaft extending from one side of the first module and fixed to the frame such that the first module rotates by blue; And
And a second module, one end of which is connected to the first module and the other end of which is reciprocated in the longitudinal direction of the frame, to supply seawater to the facility through the flow paths. 6. The method of claim 5,
Wherein the second module comprises:
A housing having a hole into which seawater is introduced;
A piston arranged to reciprocate in the housing; And
And a connecting member each connected to the piston and the first module to convert the rotational motion of the first module into a reciprocating motion of the piston. The method according to claim 6,
Wherein the second flow path
And a turbine operating by the flow of the sea water. 8. The method of claim 7,
The frame includes:
The power system characterized in that it further comprises a wind power generation module protruding from the frame. 8. The method of claim 7,
The frame includes:
The power system further comprises a tidal current generation module is formed to extend underwater. 6. The method of claim 5,
The facility includes a third flow path for discharging the sea water,
And the frame is connected to the third flow path and mooring at sea level.

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