WO2004109101A1 - 発電装置、及びこれに使用される電源装置 - Google Patents
発電装置、及びこれに使用される電源装置 Download PDFInfo
- Publication number
- WO2004109101A1 WO2004109101A1 PCT/JP2004/000050 JP2004000050W WO2004109101A1 WO 2004109101 A1 WO2004109101 A1 WO 2004109101A1 JP 2004000050 W JP2004000050 W JP 2004000050W WO 2004109101 A1 WO2004109101 A1 WO 2004109101A1
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- WO
- WIPO (PCT)
- Prior art keywords
- power
- rotating shaft
- rotor
- generator
- power supply
- Prior art date
Links
- 238000010248 power generation Methods 0.000 claims abstract description 42
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000007935 neutral effect Effects 0.000 claims description 17
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 19
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/13—Machine starters
Definitions
- the present invention relates to a power generation device that converts natural energy such as wind energy into electric energy to generate electric power for various devices, and a power supply device used for the power generation device.
- a wind power generator that uses wind power has a control unit that controls the rotation of the windmill, a generator that generates power by converting the rotation of the windmill into electric power, and so on. By converting it to electricity, power is supplied to homes and other places.
- This generator has a rotor attached to a rotating shaft that rotates by using natural energy, a stator arranged opposite to the rotor, and a housing to which the stator is fixed. ing. Then, as the rotating shaft rotates, an induced current is generated between the permanent magnet of the rotor and the magnetic pole of the stator core.
- this type of power plant suffers from various problems.
- An object of the present invention is to provide a power generation device capable of overcoming such various problems and reducing cost.
- the objectives include reducing the cost of the power generation device itself by focusing on the structure of the power generation device and reducing the cost of power generation by focusing on the performance of the power generation device.
- the first object is to assemble a power generating apparatus due to the necessity of a centering process between the input shaft on the torque side and the output shaft on which the rotor is mounted.
- the goal is to solve the difficulty of standing and reduce costs.
- it is difficult to shift the output shaft from the stop state to the rotation state due to the attraction between the stator and the rotor and the inertia of the rotor.
- the second objective is to reduce the cost by resolving the difficulty of assembling the power generator due to the heavy weight of the stator. Since the stator must be arranged facing the rotor, it has to be large. The larger the stator shape, the heavier the weight. In addition, the larger the stator weight, the more difficult it is to wind the coil inside the cylindrical stator.
- the third objective is to solve the problem of unstable rotation of the rotating shaft caused by the use of natural energy, and to reduce the cost of power generation by improving the performance of the power generator.
- the fourth purpose is to solve the problem that the rotation of the wind turbine cannot be controlled due to the failure, and to reduce the cost of power generation by improving the performance of the power generator.
- a power generation device provided with safety so that when an object enters the vicinity of the power generation device, the sensor detects the object and stops the windmill.
- Such generators are When the power generator itself breaks down due to damage, etc., and the sensors etc. do not operate, the windmill cannot be stopped.
- the rotation of the windmill cannot be controlled due to a failure, in the case of a strong wind such as a typhoon, the windmill rotates vigorously and parts of the windmill may be scattered, which is dangerous.
- Wind power generators convert the kinetic energy of wind power into three-phase alternating current power consisting of electrical energy, and charge the battery with the rectified charging voltage of the phase voltage obtained from the three-phase output line while connecting to the power supplies of various devices. Power generation equipment. However, when charging the battery, the charging voltage fluctuates significantly due to wind power changes.
- the present invention has been made in view of the above-described problems, and has been made to reduce the cost of the power generation device itself by focusing on the structure of the power generation device, or to reduce the cost of power generation by focusing on the performance of the power generation device. It is an object of the present invention to provide a device and a power supply device used for the power generator. Disclosure of the invention
- a power generator for solving the above-mentioned problems includes: a rotating shaft connected to a torque generating side; a rotor rotatably mounted on the rotating shaft; and a rotating shaft and the rotor. And a housing that houses the rotating shaft, the rotor, and the clutch; and a stator that is attached to the housing and that is provided to face the rotor. It is characterized by.
- the rotor can be freely mounted on the rotating shaft connected to the torque generating side, it does not have to be a separate part like the input shaft and the output shaft, does not require a centering process during assembly, and is low cost. Can be achieved. Also, it can be easily assembled, and the cost can be further reduced.
- the power generation device includes a rotating shaft, a rotor attached to the rotating shaft, a stator core disposed opposite to the rotor and divided into three or more in a circumferential direction, A pair of holding members rotatably supporting both sides of the rotating shaft sandwiching the rotor, connecting between the pair of holding members and engaging with the outer periphery of the stator core in a fitted state 3
- the present invention is characterized in that it comprises: According to this, since the stator core is divided, the weight of each stator core is reduced, and assembly is facilitated. Further, the coil can be easily wound around the stator core. Furthermore, since a cylindrical housing is not required, the weight can be reduced.
- a power generating device is a power generating device having a rotating shaft and a blade attached in a circumferential direction of the rotating shaft, and a conductive member provided on all or a part of the blade.
- a speed control device is provided which includes a magnet member having a distance adjustment for the conductive member. According to this, it is possible to protect the power generating device from over-rotation and from being damaged by suppressing the rotation of the rotating shaft in a storm or the like.
- the power generation device includes: a driving force generation unit configured to generate a driving force by converting natural energy into kinetic energy; a power generation unit configured to generate power by operating with the driving force of the driving force generation unit; The output side of the power generation means is switched to a short-circuit state when an abnormality occurs. And short-circuit means.
- the driving force generation means can be stopped by setting the output side of the power generation means in a short-circuit state at the time of abnormality. For this reason, it is possible to avoid the danger caused by the inability to control the driving force generating means at the time of abnormality.
- wind power which is a type of natural energy, and power is generated using the rotating energy
- the wind turbine can be stopped in the event of an abnormal situation. It is possible to avoid the danger that the member is broken and the members are scattered.
- the power generation device is a power generation unit that converts natural energy into electric energy and outputs electric power composed of the electric energy as a three-phase AC, and a rectifier that rectifies and outputs a phase current from the power generation unit.
- a pair of charging capacitors, which are provided on the output side of the rectifier, are connected in parallel with the rectifier, and are connected in series with each other; and a neutral point of the power generation means and an intermediate point between the charging capacitors. And a neutral wire to be connected.
- a line voltage that is twice the phase voltage based on the neutral point of the three-phase alternating current can be obtained as the rectified voltage after rectification, so that the phase can be obtained using only the three-phase alternating current output line.
- Higher voltage power can be generated than when a line voltage three times the voltage is sold as rectified rectified voltage. As a result, it can be suitably used even in an environment where natural energy is small.
- FIG. 1 is a block diagram of a wind turbine generator according to a preferred embodiment of the present invention.
- FIG. 2 is a diagram showing an overall configuration of a wind turbine generator according to a preferred embodiment of the present invention.
- FIG. 3 is a plan view of (a) a wind power generator for a wind power generator constituting a wind power generator according to a preferred embodiment of the present invention, and (b) and (a) of a wind power generator for a wind power generator shown in (a). It is a front sectional view.
- FIG. 4 is a cross-sectional view of the wind turbine generator according to the preferred embodiment of the present invention, taken along line AA shown in FIG. 3 (b).
- FIG. 5 is a modified example of the shape of a pillar constituting a wind power generator according to a preferred embodiment of the present invention.
- FIG. 6 is a front sectional view of a spring device constituting a spring clutch according to a preferred embodiment of the present invention.
- FIG. 7 is a perspective view of a spring constituting a spring device according to a preferred embodiment of the present invention.
- FIG. 8 is a plan view of a spring clutch according to a preferred embodiment of the present invention.
- FIG. 9 is a view showing an embodiment including a device capable of controlling the speed of the blade.
- FIG. 9 (a) is a diagram in which a speed control device is provided outside the blade and the device is automatic. ) Shows the case where the speed control device of (a) is manual, and (c) shows the case where the speed control device is provided at the lower part of the rotating shaft.
- FIG. 10 shows that (a) shows the rotation of the rotating shaft.
- FIG. 3B is a diagram showing an example of an embodiment for stopping rotation of the rotating shaft
- FIG. 4B is a principle diagram of a rotation stopping device for stopping rotation of the rotating shaft
- FIG. . is a view showing an embodiment including a device capable of controlling the speed of the blade.
- FIG. 11 is a block diagram of an auxiliary charger included in a wind turbine generator according to a preferred embodiment of the present invention.
- FIG. 12 is a circuit diagram of a wind power generator according to a preferred embodiment of the present invention applied from a generator to a rectifier.
- FIG. 13 shows a circuit from the generator of a general wind power generator to the rectifier.
- FIG. 14 is an explanatory diagram showing a charging voltage obtained in the rectifier of the wind turbine generator according to the preferred embodiment of the present invention.
- FIG. 1 is a block diagram of a wind turbine generator according to a preferred embodiment of the present invention.
- a wind power generator 1 according to the present embodiment includes a wind power generator main body 2 that converts wind energy, which is a kind of natural energy, into AC power composed of electric energy and outputs the AC power, and a wind power generator main body 2.
- This is a vertical axis type wind power generation device having a power supply device 3 for performing control and display of settings.
- FIG. 2 is a diagram showing an overall configuration of a wind power generator according to a preferred embodiment of the present invention
- FIG. 3 (a) is a view showing a wind power generator constituting a wind power generator according to a preferred embodiment of the present invention
- FIG. 3 (b) is a plan view of the generator for the power generator
- FIG. 3 (b) is a front sectional view of the generator for the wind power generator shown in FIG. 3 (a).
- the wind power generation device main body 2 has a plurality of wind turbine blades 10 that receive wind and a generator 11.
- a wind turbine blade 10 is attached to a support member 12 fixed to a rotating shaft 21 described later.
- the plurality of support members 12 are arranged in a direction perpendicular to the axial direction of the rotating shaft 21 and above the rotating shaft 21. Therefore, the number of the wind turbine blades 10 is equal to the number of the support members 12.
- the generator 11 detects the rotation speed of the rotating shaft 21, the rotor 22, the stator 23, the nosing 24, the spring clutch 25, and the rotating shaft 21.
- Speed sensor 26 and a brake device 27 for forcibly suppressing the rotation of the rotating shaft 21 as main components.
- the rotating shaft 21 rotates in a fixed direction when the wind turbine blade 10 receives wind.
- Bearings 31, 3 2 fixed to a pair of holding plates 30 a, 3 Ob described later. It is rotatably supported by.
- the rotor 22 has a substantially T-shaped shape extending substantially perpendicularly from the outer peripheral surface of a cylindrical member having a hollow portion.
- the hollow portion of the rotor 22 allows the rotation shaft 21 to be inserted.
- the rotor 22 having the hollow shaft 21 inserted therein is supported by the rotary shaft 21 via bearings 45 and 46 so as to be rotatable with respect to the rotary shaft 21. .
- the shape of the rotor 22 is not limited to this. That is, when the rotating shaft 21 rotates, the rotor 22 may be opposed to the stator 23 described later so that an induced current can be generated.
- FIG. 4 is a cross-sectional view taken along line AA of FIG. 3 (b) of the wind turbine generator according to the preferred embodiment of the present invention.
- Stator 23 is a stator core consisting of an iron core
- a coil is wound around the inner surface of 23a.
- the stator core 23 a in the present embodiment is formed by dividing a cylindrical core into six substantially equally in the circumferential direction. As shown in FIGS. 3 and 4, each of the divided stator cores 23a is disposed at a position facing the rotor 22 described above. I have.
- stator core 23a when the stator core 23a is divided, the weight of each divided stator core 23a is small, so that the stator core 23a can be easily assembled. Furthermore, winding a coil around each split stator core 23a is much easier to assemble than winding a coil around an undivided cylindrical stator core 23a. It is.
- the housing 24 has a pair of holding plates 30 a, 30 b and six columns 33, and both ends of the column 33 are paired with a pair of holding plates 30 a, 30 b. Fixed at 7.
- the pair of holding plates 30 a and 30 b sandwich the rotor 22 vertically, and the rotating shaft 21 is rotatable with respect to the pair of holding plates 30 a and 30 b.
- the rotating shaft 21 is supported via bearings 31 and 32.
- the strut 33 is disposed so as to engage with each stator core 23a at a substantially central portion in the circumferential direction on the outer peripheral surface of each of the divided stator cores 23a. That is, one support 33 is arranged for one stator core 23a.
- the strut 33 has a stepped shape having a large-diameter portion 33a and a small-diameter portion 33b slightly smaller in diameter than the large-diameter portion 33a.
- the small-diameter portion 33b of the support 33 is engaged with each stator core 23a.
- the shape of the column 33 is a stepped shape having a large diameter portion 33a and a small diameter portion 33b slightly smaller in diameter than the large diameter portion 33a.
- the shape of the support 33 may be as shown in FIGS. 5 (a) to 5 (c).
- FIG. 5 is a modified example of the shape of the pillars constituting the wind turbine generator according to the preferred embodiment of the present invention. The shapes of the posts 31 to 33 shown in FIGS. 5A to 5C will be described below.
- the column 331 shown in FIG. 5 (a) has a columnar portion 331a that does not engage with each stator core 23a, and a fitting portion (which engages with each stator core 23a). (A portion corresponding to the small-diameter portion 3 3b) has a linear cut-out portion 331 b formed linearly.
- the strength of the strut 33 is slightly higher than that of the strut 33 in which the fitting portion engaging with each stator core 23a has a small diameter.
- the column 332 shown in FIG. 5 (b) has a columnar portion 33a that does not engage with each stator core 23a, and a fitting portion (which engages each stator core 23a).
- An arc-shaped notch 332b is formed so that the small-diameter portion 3b corresponds to the outer peripheral surface of each stator core 23a.
- the column 33 shown in FIG. 5 (c) has a cylindrical shape at the portion 33a that does not engage with each stator core 23a, and a fitting portion (small diameter) that engages with each stator core 23a. (A portion corresponding to the portion 33b) is formed into a trapezoidal cutout 333b. When the stator cores 23a are fixed by the posts 33, the stator cores 23a are securely fixed to the posts 33a.
- the portion 3 3 b corresponding to the small-diameter portion 3 3 b of the column 3 3 or the small-diameter portion 3 3 b of the column 33, and the stator core 2 divided into 6 3a is engaged with the outer peripheral surface of each stator core 23a at a substantially central portion in the circumferential direction, whereby the weight of the housing 24 can be significantly reduced, and the generator 11 can be assembled. Work becomes easy.
- the portion of the post 3 3 a-3 3 1 a-3 3 2 a-3 3 3 a that does not engage with each stator core 23 a has a columnar post 3 3 3 3
- 3 1 to 3 3 3 have been described, the present invention is not limited to this, and may be a prism.
- the columns 3 3 ⁇ 3 3 1 to 3 33 in the longitudinal direction may have an elliptical shape instead of a perfect circle.
- the generator 11 is limited to one in which one support 3 3 ⁇ 3 3 1 to 3 3 3 is arranged for each of the divided stator cores 23 a.
- two or more pillars 3 3 ⁇ 3 3 1 to 3 3 3 may be arranged for each split stator core 23 a.
- 3 3 ⁇ 3 3 1 to 3 3 3 may be arranged in each of a plurality of divided stator cores 23 a.
- the length L connecting the engaging parts that would have been fitted if 23a was arranged is the stator when the stator core 23a divided into 6 is assembled into a cylindrical shape. The dimensions are slightly smaller than the outer diameter of the core 23a.
- each stator core 2 3 a is fixed When each stator core 23a is divided into six parts, each stator core 23a and the strut 33 generate a pressing force between them. 2 3a does not cause displacement.
- a bolt hole 34 is formed in the small diameter portion 3 3b of the column 33.
- step portions 36 a, 36 b are formed on the outer peripheral portions of the pair of holding plates 30 a, 30 b, respectively. , The concentricity between the stator core 23 a and the rotating shaft 21 is secured.
- the housing 24 can be significantly reduced in weight and can be easily assembled. .
- the housing 24 is not limited to a pair of holding plates 63 a and 30 b and a column 33 connecting the pair of holding plates 30 a and 30 b. Any shape can be used as long as it can support 2 1 and stator 22.
- box-shaped housing structure; framework ⁇ 1 ⁇ , or part of the upper and lower surfaces or side may be an opening structure.
- FIG. 6 is a front sectional view of a spring device 40 that constitutes a spring clutch 25 used in the generator of the wind turbine generator according to the preferred embodiment of the present invention
- FIG. FIG. 8 is a plan view of a spring clutch 25 used in the generator of the wind turbine generator according to the preferred embodiment of the present invention.
- the spring clutch 25 includes a rotating shaft 21 and a rotor 2. 2 so that the rotating shaft 21 and the rotor 22 can be connected freely. This will be specifically described below.
- the spring clutch 25 includes a spring device 40 and a latch device 41.
- the spring device 40 includes an input-side sleeve 42, an output-side sleeve 43, and a spring 44.
- the rotation shaft 21 is fitted in the hollow portion of the input side sleeve 42 with an interference fit. Therefore, when the rotation shaft 21 rotates, the input-side sleeve 42 rotates integrally with the rotation shaft 21.
- the output side sleeve 43 is fixed to the rotor 22 with a bolt 47 as shown in FIG. Therefore, when the output side sleeve 43 rotates, the rotor 22 rotates integrally with the output side sleeve 43.
- the integrated rotor 22 and the output side sleeve 43 are rotatably supported on the rotating shaft 21 via the bearings 45, 46 inside the radial direction.
- the spring 44 is, as illustrated in FIG. A projection 48 projecting radially outward of the spring 44 is formed at one end of the spring 44.
- the latch device 41 has a solenoid 49, a plunger 50, a spring pin 51, and an actuator 52.
- the solenoid 49 reciprocates the plunger 50 in its longitudinal direction by repeating excitation and demagnetization by electrical control.
- the figure The plunger 50 in FIG. 8 illustrates the position when the solenoid 49 is in the excited state.
- the plunger 50 is provided with a pin 53, and the arm 52 a of the actuator is engaged with a pin 53 provided on the plunger 50.
- the actuator 52 is configured to be rotatable about a panel pin 51 that urges in a clockwise direction when viewed from the front of the paper. That is, a clockwise force as viewed from the front of the paper always acts on the actuator 52, and the clockwise rotation is restricted by the stopper 54.
- the rotation shaft 21 rotates clockwise as viewed from the front of the paper.
- the spring 44 is fastened to the outer periphery of the input side sleeve 42.
- the projection 48 of the spring 44 draws a trajectory L with the radius R from the axis O to the projection 48 with the axis O as a fulcrum.
- the tip 52 b of the actuator is arranged at a position overlapping with the orbit L.
- the solenoid 49 is in a demagnetized (non-excited) state, the leading end 52 b of the actuator is arranged outside the orbit L (that is, on the side opposite to the axis O). That is, the spring clutch 25 according to the present embodiment is of a non-excitation operation type.
- the rotation shaft 21 can support the rotor 22 so that the rotor 22 can rotate with respect to the rotation shaft 21. Therefore, the rotating shaft 21 to which the wind turbine blades 10 are attached via the support member 12 and the rotating shaft 21 for supporting the rotor 22 are separately provided. Therefore, the wind power generator main body 2 can be configured on the same axis.
- the wind power generator 1 according to the present embodiment does not require a centering step at the time of assembling, and has a great effect that cost reduction, easiness of assembly, and downsizing can be achieved.
- the rotation speed detector 26 for detecting the rotation speed of the rotation shaft 21 will be described.
- the rotation speed detector 26 is composed of a photoelectric sensor 60, a plate-like detection part 61 attached to the rotation shaft 21 and rotating with the rotation of the rotation shaft 21.
- the photoelectric sensor 60 includes a light emitting side that emits infrared light, and a light receiving side that receives infrared light emitted from the light emitting side.
- the detected portion 61 is attached to the rotating shaft 21 so that the detected portion 61 passes between the light emitting side and the light receiving side of the photoelectric sensor 60 when the rotating shaft 21 rotates zero.
- the rotation speed detector 26 may be formed of an encoder.
- the encoder outputs a rotation speed signal having the number of pulses corresponding to the rotation speed of the rotating shaft 21 (the number of rotations per unit time). Further, another detection device may be used as long as the rotation speed of the rotation shaft 21 can be calculated.
- the brake device 27 includes an annular member 65 a attached to the rotating shaft 21, a pressing member 65 b that is provided on the outer peripheral surface of the annular member 65 a so as to be able to contact and separate, and a pressing member 65 b. And a movable device 66 for reciprocating the ring member 65 a with respect to the annular member 65 a. Then, the brake device 27 presses the pressing member 65 b against the annular member 65 a by manually operating the movable device 66. Then, the pressing member 65b exerts a large braking force on the rotating shaft 21, so that the rotating shaft 21 is completely stopped.
- the structure may be such that the pressing member 65 b is directly pressed against the rotating shaft 21 without providing the annular member 65 a.
- FIG. 9 is a diagram showing an embodiment provided with a device capable of controlling the speed of the blade.
- FIG. 9A is a diagram in which a speed control device is provided outside the blade, and this device is automatic.
- B is a diagram showing a case where the speed control device of (a) is manual, and
- (c) is a diagram showing a case where the speed control device is provided below the rotating shaft.
- 10A is a diagram showing an example of an embodiment in which the rotation of the rotating shaft is stopped
- FIG. 10B is a principle diagram of a rotation stopping device for stopping the rotation of the rotating shaft
- FIG. FIG. 9 is a diagram showing another example of the embodiment in which rotation is stopped.
- FIG. 9 is a diagram showing a vertical axis wind turbine including a device 264 capable of suppressing the rotation speed of the blade. As shown in Fig.
- the brake device 264 that can control the speed of the blade 263 detects the rotation speed of the plurality of blades 263, which are conductive members, and the rotating shaft 262.
- the plurality of blades 26 3 are attached vertically in the circumferential direction of the rotating shaft 26 2.
- the whole blade 263 may be a conductive member as described above, or only the portion corresponding to the magnet member may be a conductive member.
- the embodiment shown in FIG. 9 (a) is driven automatically in an emergency, but as shown in FIG. 9 (b), the magnet member 26 6 is manually advanced and retracted with respect to the blade 26 3 It may be something. In this case, after moving, fix with Porto 269 or the like.
- a disk 261 which is a conductive member, is attached with the center axis aligned with the lower part of the rotating shaft 262, and a speed control device that moves the magnet member 266 forward and backward. May be provided.
- Figure 10 (a) shows a vertical axis wind turbine with a device 291 that can stop the rotation of the rotating shaft
- Figure 10 (b) shows a rotation stop that stops the rotation of the rotating shaft. It is a principle view of an apparatus.
- the rotation stopping device 291 which is fixedly supported by the cylinder 2996, controls the friction plate 294 that is urged toward the rotating shaft 292, and the urging of the friction plate 294.
- a permanent magnet 2994a is provided on the operating device 2995 side.
- the operating device 295 has a coil 295b connected to the power supply 295a on the permanent magnet 294a side.
- the permanent magnet 2 94 to the coil 29 5 b side is attracted, a state not in contact with the rotating shaft 29 2.
- a current flows from the power supply 295a to the coil 295b, and the magnetic flux of the permanent magnet 294 and the magnetic flux of the coil 295 cancel each other.
- the friction plate 294 is pressed against the rotating shaft 292 by the repulsive force of the contracted panel 297, and the rotation of the rotating shaft 292 is stopped.
- FIG. 10 (c) is a diagram showing another example of the embodiment in which the rotation of the rotating shaft is stopped.
- the rotation stopping device 29 1 ′ is configured such that the friction cylinder 298 is joined at the joining portion 298 c so that one ends of the friction half cylinders 298 a and 298 b are rotatable, and the friction cylinders 298 a and 298 b A friction cylinder 298 whose other end is joined by a spring 29 9, and an operating device 295 that stops or releases the bias of the friction cylinder 298 by the cam 29 95, a.
- the cam 295'a is inserted between the other ends of the friction half cylinders 298a and 298b, and is temporarily fixed so as not to contact the rotating shaft 292.
- the cam 295'a is rotated between the other ends of the friction half cylinders 298a and 298b in parallel on the plane of the rotary shaft 292 cross section by the operating device 295.
- the space between the other ends of the friction half cylinders 298a and 298b is closed, the friction cylinder 298 is brought into contact with the rotating shaft 292, and the rotation thereof is stopped.
- the power supply of this operating device 295 ' is connected only in emergency, and is not connected in normal times.
- any of the above-described brake devices 27, 264, and 291 may be one that can suppress the rotation speed of the rotation shaft 21 by either manual operation or automatic operation.
- the number of blades 10-263 provided on the wind turbine generator main body 2, 260, 290 may be any number as long as the rotating shafts 21, 262, 292 can be rotated.
- any of the wind turbine generators 2 260 and 290 described above is not limited to a vertical axis wind turbine, but may be a horizontal axis wind turbine.
- the power supply device 3 includes a controller 4 having a control function of the wind power generator main body 2 and a rectification function of AC power to DC power, and a switchable display of an operation state and a setting state of the wind power generator.
- the generator 11 provided in the wind power generator main body 2 is a generator 11 of a three-phase AC system or the like.
- the generator 11 outputs AC power according to the rotation speed of the rotating shaft 21.
- a short-circuit braking device 75 is connected to the output side of the generator 11.
- the short-circuit braking device 75 has a short-circuit relay 76 connected to each terminal of the generator 11 .
- the short-circuit relay 76 opens the switch section by energization from the controller 4 and energizes from the controller 4. When the switch is stopped, the switch section is closed to prevent the controller 4 from malfunctioning.
- the output side of the generator 11 is short-circuited. Accordingly, the short-circuit braking device 75 brakes the rotation of the rotating shaft 21 by the windmill blade 10 by generating a large load on the generator 11.
- the wind power generator main body 2 configured as described above is connected to the controller 4.
- the controller 4 includes a control unit 80 for controlling the wind turbine generator 1 and a rectifying unit 8 for rectifying the AC power output from the generator 11 of the wind turbine generator body 2 into DC power. 1 and have.
- the control section 80 includes a rotation speed input section 82, a clutch drive section 83, and a short-circuit drive section 84. These components 82 to 84 are respectively connected to the rotation speed detection 26, the spring clutch 25, and the short-circuit braking device 75 in the wind power generator main body 2 described above.
- the rotation speed input unit 82 has a function of converting the rotation speed signal from the rotation speed detector 26 into a signal form suitable for signal processing.
- the clutch driving unit 83 has a function of controlling the operating state of the spring clutch 25 by outputting a drive signal to the latch device 41 of the spring clutch 25, that is, a solenoid 49 shown in FIG. It has the function to excite and demagnetize.
- the short-circuit drive section 84 normally has a function of outputting a drive signal to the short-circuit relay 76 of the short-circuit braking device 75 during operation, thereby causing the generator 11 to be in a short-circuit state in the event of an abnormality.
- the controller 4 has an auxiliary charging operation section 85, a charge control driving section 86, an impeller ONZO FF driving section 87, and an operation display input / output section 88, and each section 82 to 88 And an arithmetic processing unit 90 for monitoring and controlling the operation. It will be described later in detail of the arithmetic processing unit 9 0 0
- the above auxiliary charging operation section 85 charges the battery 6 with auxiliary power D C is connected to an auxiliary charger 9 called a power pack, and operates when the battery 6 is not sufficiently charged from the wind turbine generator body 2 to charge the battery 6 with auxiliary power.
- the auxiliary charger 9 is integrated by being mounted on one port or being housed in a housing.
- the auxiliary charger 9 is provided with a power input terminal 8a, a power output terminal 8b, and a signal input terminal 8c.
- a commercial or industrial power supply 91 is detachably connected to the power input terminal 8a.
- the battery 6 is detachably connected to the power output terminal 8b.
- An auxiliary charging operation section 85 is detachably connected to the signal input terminal 8c.
- the primary coil unit 100a of the transformer 100 is connected to the power input terminal 8a.
- the secondary-side coil portion 100b of the transformer 100 is provided with a constant current capacitor 101 and a bridge diode 102 for full-wave rectifying a voltage that changes to an AC state.
- the cathode of the bridge diode 102 is connected to the positive electrode of the battery 6 via the power output terminal 8b, and the anode of the bridge diode 102 is connected to the negative electrode of the battery 6 via the power output terminal 8b.
- the auxiliary charger 9 has a function of charging the battery 6 after changing the AC power from the power supply 91 to a predetermined voltage by the transformer 100.
- the auxiliary charger 9 includes an auxiliary power relay 103.
- the auxiliary power supply relay 103 includes a switch 103a provided to constitute a part of the current path of the primary coil unit 100a, and a coil 103 for opening and closing the switch 103a. b.
- the switch portion 103a is set to be open when the coil portion 103b is energized.
- the coil section 103b is connected to the auxiliary charging operation section 85 via a signal input terminal 8c.
- the auxiliary charger 9 switches between the execution and the stop of the auxiliary charging of the notch 6 according to the operation signal from the auxiliary charging operation section 85. It has a function that can.
- the battery 6 that is supplementarily charged by the above-described auxiliary charger 9 is also connected to the rectifier 81 of the controller 4 as shown in FIG.
- the rectifying unit 81 is configured to convert the AC power from the generator 11 of the wind turbine generator body 2 into DC power and charge the battery 6.
- the rectifying unit 81 is connected to the output line 11 b 1 1 b 1 1 b of the generator 11, and is connected from the generator 11 via each output line 11 b.
- a pair of charging capacitors 1 connected in parallel to the anode and cathode sides of the bridge diode 102 and connected in series with each other.
- a charging control unit 106 provided between 101 and the diode 105 for switching between passing and blocking of current, and a coil 107 provided downstream of the diode 105
- the charge control section 106 is formed of a semiconductor switch such as a transistor, and is connected to the charge control drive section 86 in FIG.
- the charge control drive unit 86 controls the energization time from the bridge diode 102 to the diode 105 by outputting a charge control signal.
- the rectifying unit 81 configured as described above includes the battery 6
- the power of the charging voltage corresponding to the energization time controlled by the charging control unit 106 is connected to the inverter 7.
- the rectifying unit 81 includes a generator voltage detector 110 that detects a generator voltage of AC power input from the generator 11, and a charging voltage that charges the battery 6. (A battery voltage). These voltage detectors 110 and 111 are connected to the arithmetic processing unit 90, and output the detected voltages to the arithmetic processing unit 90, respectively.
- the inverter ON FFF driving section 87 connected to the arithmetic processing section 90 in the same manner as the above-described charging control driving section 86 is connected to the inverter 7.
- the inverter 7 has an output function of converting the DC power charged in the battery 6 into, for example, household AC power and outputting the converted AC power to an external load 8, and an output function of an inverter O NZO FF driving unit 8 7 It has a function to switch between start and stop.
- the operation display input / output unit 88 connected to the arithmetic processing unit 90 is detachably connected to the operation display 5.
- the operation display 5 has a display section 120 such as a 7-segment LED or LCD and a display switching switch 121.
- the display section 120 is configured to display the operating state of the wind turbine generator 1 by characters or numerical values.
- the operating state refers to wind speed (rotational speed of the rotating shaft 21), generator voltage, charging voltage (battery voltage), operating state of each part, and the like.
- the display switching switch 121 sets the display of the operation state on the display 120 so that the display can be switched by manual operation.
- the operation display 5 has a control unit including a calculation unit, a storage unit, and the like (not shown).
- the control unit has a function of controlling the operation display 5 itself, A function for instructing the processing unit 90 to transmit a predetermined operation state, a function for setting the operation of the inverter 7 to the operation processing unit 90 to the mode set by the mode switching switch, an operation processing unit 90 has a function of selecting execution of various functions provided in the form of a program.
- Each function in the operation display 5 may be formed in a hardware form instead of the software form of the program.
- the operation display 5 manually sets an output stop mode in which the output of the inverter 7 is stopped when the charge voltage of the battery 6 becomes lower than a set value, and an output maintenance mode in which the output of the inverter 7 is always maintained.
- a mode switching switch that can be switched by operation may be provided.
- the arithmetic processing unit 90 of the controller 4 also has an arithmetic unit and a storage unit (not shown), and has various functions for controlling the wind turbine generator in the form of a program. Each function may be formed in a hardware form instead of the software form of the program. That is, the arithmetic processing unit 90 has an auxiliary charging processing function, an abnormal operation braking function, a high-speed rotation function, a low-voltage charging function, and the like.
- the auxiliary charging processing function monitors the charging voltage detected by the charging voltage detector 111, and when the charging voltage falls below the first predetermined value, the auxiliary charging device 9 supplies the auxiliary power to the battery 6 by the auxiliary charging device 9. This function allows charging.
- the abnormal operation braking function enables the AC power of the generator 11 to be supplied to the bridge diode 102 by energizing the short-circuit relay 76 of the short-circuit braking device 75 during normal operation to make it open. It is a function to generate power for the generator 11 by short-circuiting the output of the generator 11 when power supply is stopped due to abnormal operation.
- the rotation speed-up function releases the connection between the spring clutch 25 and the rotation shaft 21 when the rotation speed of the rotation shaft 21 becomes lower than the second predetermined value due to a decrease in wind power, and the rotation is increased.
- Non-contact with child 2 2 The rotating shaft 21 in the continuous state is made rotatable. Then, when the rotational speed of the rotary shaft 2 1 a rotor 2 2 disconnected is accelerated to more than a certain, in function of restoring the connection state between the spring clutch 2 5 and the rotary shaft 2 1 is there.
- the low-voltage charging function performs charging control for switching the charging control unit 106 between an ON state and an OFF state, and the rotating speed of the rotating shaft 21 is controlled. This function keeps the charge control unit 106 in the ON state when it falls below the third predetermined value.
- the operation display 5 is controlled as necessary.
- the power is turned on to the controller 4 and the operation display 5.
- the controller 4 starts energizing the latch device 41 of the spring clutch 25.
- the connection state between the spring clutch 25 and the rotating shaft 21 is released, and the rotor 22 is disconnected from the rotating shaft 21.
- the rotating shaft 21 can rapidly increase the rotation speed even if the wind turbine blade 10 is only hit by a weak wind. Will be possible.
- the short-circuit braking device 75 is energized, the short-circuit state of the generator 11 is released, and the AC power generated by the generator 11 can be supplied to the controller 4.
- the operation state of the control unit 80 that is, for example, the rotation speed of the rotating shaft 21 is displayed as a numerical value or the like.
- the controller 4 operates so that the arithmetic processing unit 90 performs the auxiliary charging processing function, the abnormal operation braking function, the rotation speed increasing function, the low voltage charging function, and the like.
- the rotation speed of the rotating shaft 21 is monitored. Then, when the rotation speed becomes equal to or higher than the rotation speed obtained by adding a fixed value to the second predetermined value, the power supply to the latch device 41 of the spring clutch 25 is stopped, so that the spring clutch 25 Is restored. As a result, the rotation shaft 21 and the rotor 22 are integrated by the inertia of the rotation shaft 21 to rotate at a relatively high speed. Then, an induced current is generated between the rotor 22 and the stator 23 arranged to face the rotor 22, and high-voltage AC power is supplied to the controller 4.
- the AC power supplied to the controller 4 as described above is full-wave rectified by the bridge diode 102, and then smoothed by a smoothing circuit including the charging capacitor 101, the diode 105, and the coil 107.
- the battery 6 is charged.
- the supply of AC power to the controller 4 is performed by outputting the phase current of the generator 11 to the bridge diode 102 via each output line 11 b.
- the phase current input to the bridge diode 102 is supplied to the battery 6 while being charged into the charging capacitors 101 and 101 after being subjected to full-wave rectification.
- the voltage of the neutral point 11 a of the generator 11 is applied to the neutral point 81 a of the charging capacitor 101 1 101 via the neutral line 108.
- twice the line voltage of the phase voltage based on the neutral point 11a of the three-phase AC is applied to each charging capacitor 101 as the rectified voltage after rectification.
- the charging voltage and the charging current for charging the battery 6 are controlled by the charge control unit 106. That is, when the rotation speed of the rotating shaft 21 is equal to or higher than the third predetermined value, it is determined that the battery 6 is charged with a charging voltage that is significantly higher than the rated voltage of the battery 6, and the charging control is performed so as to reduce the charging voltage. The charge control for switching the unit 106 between the ON state and the OFF state is performed. On the other hand, when the rotation speed of the rotating shaft 21 drops below the third predetermined value, it is determined that the battery 6 is charged at a charging voltage close to the rated voltage of the battery 6, and the battery 6 is charged with a large charging current. As described above, the charge control for maintaining the charge control unit 106 in the ON state is performed.
- the charging voltage detected by the charging voltage detector 111 is monitored. When the charging voltage becomes lower than the first predetermined value, charging of the auxiliary power to the battery 6 by the auxiliary charger 9 is permitted.
- the switch section 103 a when the charging voltage is equal to or higher than the first predetermined value, the switch section 103 a is opened by energizing the auxiliary power relay 103, so that the battery Auxiliary charging to 6 is prohibited.
- the charging voltage has dropped below the first predetermined value, it is determined that the charging voltage (battery voltage) of the battery 6 has dropped significantly, and the power supply to the auxiliary power relay 103 is stopped.
- the auxiliary power supply relay 103 that has been de-energized switches the switch section 103 a from the open state to the closed state.
- the short-circuit relay 76 of the short-circuit braking device 75 is opened by energization. Then, the AC power of the generator 11 is supplied to the rectifying unit 81 such as the bridge diode 102, and the battery 6 is charged.
- the controller 4 is stopped due to an abnormality such as wear or breakage of parts, all signal outputs being output to the wind power generator main body 2 and the like are stopped. As a result, power supply to the short-circuit relay 76 of the short-circuit braking device 75 is stopped, and the generator 11 is brought into a short-circuit state.
- the spring clutch 25 is of the non-excitation type, so the spring 4 4 is firmly tightened to the input side sleep 42 integrated with the rotating shaft 21. It is possible. Thus, the rotating shaft 21 and the rotor 22 are integrated by the spring clutch 25. Then, the rotating speed of the rotating shaft 21 is rapidly reduced by a large load due to the short-circuited generator 11.
- the power supply device 3 of the present embodiment converts the natural energy into electric energy and outputs the electric power composed of the electric energy as three-phase alternating current (generation means) 1 1 and the generator 11 1 Rectify the phase current of A bridge diode 102 (rectifier) for output and a pair of charging capacitors 101 1 provided on the output side of the bridge diode 102 and connected in parallel to the bridge diode 102 and connected in series with each other 101 and a neutral line 1 ⁇ 8 connecting neutral point 11a of generator 11 and intermediate point 31a between charging capacitor 101 and 101 Have been.
- a line voltage that is twice the phase voltage based on the neutral point 11a of the three-phase AC can be obtained as the rectified voltage after rectification.
- higher voltage power can be generated than when only 3 lb of the phase voltage is obtained as the rectified rectified voltage using only 1 lb of the three-phase AC output line.
- it can be suitably used even in an environment where natural energy is small.
- the power supply unit 3 further charges a power output from the bridge diode 102, and has a battery 6 (power storage means) used for operating various devices. are doing. Thereby, even in an environment where the natural energy is small, the charging voltage for charging the battery 6 can be increased, so that the charging can be performed efficiently.
- a battery 6 power storage means
- the power supply device 3 is provided in the wind turbine generator 1.
- the wind power generator 1 can be used favorably even in an environment where the wind power fluctuates greatly.
- the various devices include electric devices such as a controller 4 of the wind turbine generator 1 and an external load 8 such as a refrigerator, and photothermal devices such as electric lights and air conditioners.
- Renewable energy includes natural energy such as wind, solar cells, water power, and wave power.
- the program for realizing each function in the present embodiment is stored in the storage unit. It may be written in the ROM beforehand in a read-only manner, or a medium recorded on a recording medium such as a CD may be read out and written in a storage unit when necessary, or may be a telecommunication such as the Internet. It may be transmitted via a line and written in the storage unit.
- the vertical axis type wind power generation device has been described, but the present invention is not limited thereto.
- the power source need not be wind, but may be hydro.
- the rotation axis may be a vertical type or a horizontal type.
- the present invention is not limited to the generator for the power generator, and may be an electric motor. This is because the concept of a rotating electric machine includes a generator for a power generator and a motor. That is, a rotating electric machine such as a generator for a power generating device or a motor having a rotating shaft, a rotor attached to the rotating shaft, and a stator disposed opposite to the rotor, It is possible to apply the present invention.
- Industrial applicability such as a generator for a power generating device or a motor having a rotating shaft, a rotor attached to the rotating shaft, and a stator disposed opposite to the rotor.
- the power generator using natural energy and the power supply used for this power generator can be provided at low cost, it can be expected to help solve environmental problems.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/489,313 US7432608B2 (en) | 2003-06-09 | 2004-01-07 | Generator and power supply for use therein |
CNB2004800228277A CN100387833C (zh) | 2003-06-09 | 2004-01-07 | 发电装置 |
KR1020057022805A KR101093315B1 (ko) | 2003-06-09 | 2004-01-07 | 발전 장치, 및 이것에 사용되는 전원 장치 |
AU2004245779A AU2004245779A1 (en) | 2003-06-09 | 2004-01-07 | Generator and power supply for use therein |
CA2528767A CA2528767C (en) | 2003-06-09 | 2004-01-07 | Electric generator and power supply equipment for use therein |
EP04700521.0A EP1640607A4 (en) | 2003-06-09 | 2004-01-07 | GENERATOR AND ENERGY SUPPLY FOR USE THEREIN |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003164266 | 2003-06-09 | ||
JP2003-164266 | 2003-06-09 | ||
JP2003196964A JP2005061218A (ja) | 2003-06-09 | 2003-07-15 | 垂直軸型風力発電装置 |
JP2003-196964 | 2003-07-15 | ||
JP2003-365033 | 2003-10-24 | ||
JP2003364196A JP4572525B2 (ja) | 2003-10-24 | 2003-10-24 | 回転電機 |
JP2003365033A JP2005130650A (ja) | 2003-10-24 | 2003-10-24 | 電源装置およびそれを備えた風力発電装置 |
JP2003-364196 | 2003-10-24 | ||
JP2003365032A JP4686969B2 (ja) | 2003-10-24 | 2003-10-24 | 電源装置を備えた発電装置 |
JP2003-364197 | 2003-10-24 | ||
JP2003-365032 | 2003-10-24 | ||
JP2003364197A JP4759914B2 (ja) | 2003-10-24 | 2003-10-24 | 発電装置 |
Publications (1)
Publication Number | Publication Date |
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WO2004109101A1 true WO2004109101A1 (ja) | 2004-12-16 |
Family
ID=33514968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/000050 WO2004109101A1 (ja) | 2003-06-09 | 2004-01-07 | 発電装置、及びこれに使用される電源装置 |
Country Status (8)
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US (1) | US7432608B2 (ja) |
EP (1) | EP1640607A4 (ja) |
KR (1) | KR101093315B1 (ja) |
CN (3) | CN101560951A (ja) |
AU (1) | AU2004245779A1 (ja) |
CA (1) | CA2528767C (ja) |
TW (1) | TW200428750A (ja) |
WO (1) | WO2004109101A1 (ja) |
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JP6997676B2 (ja) | 2018-05-29 | 2022-01-17 | Ntn株式会社 | 垂直軸風車およびこれを備えた風力発電装置と照明設備 |
CN109899338A (zh) * | 2019-03-29 | 2019-06-18 | 南京工业职业技术学院 | 一种燃爆-电磁复合驱动弹跳机构 |
TWI800328B (zh) * | 2021-10-15 | 2023-04-21 | 台達電子工業股份有限公司 | 程式燒錄裝置及其電流保護檢測方法 |
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- 2004-01-07 WO PCT/JP2004/000050 patent/WO2004109101A1/ja active Application Filing
- 2004-01-07 KR KR1020057022805A patent/KR101093315B1/ko not_active IP Right Cessation
- 2004-01-07 US US10/489,313 patent/US7432608B2/en not_active Expired - Fee Related
- 2004-01-07 AU AU2004245779A patent/AU2004245779A1/en not_active Abandoned
- 2004-01-07 CN CNA2009102038943A patent/CN101560951A/zh active Pending
- 2004-01-07 EP EP04700521.0A patent/EP1640607A4/en not_active Withdrawn
- 2004-01-07 CN CNB2004800228277A patent/CN100387833C/zh not_active Expired - Fee Related
- 2004-01-07 CA CA2528767A patent/CA2528767C/en not_active Expired - Fee Related
- 2004-01-07 CN CN2007101816801A patent/CN101187355B/zh not_active Expired - Fee Related
- 2004-01-12 TW TW093100701A patent/TW200428750A/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
EP1640607A1 (en) | 2006-03-29 |
CA2528767C (en) | 2013-07-30 |
TW200428750A (en) | 2004-12-16 |
TWI329415B (ja) | 2010-08-21 |
KR101093315B1 (ko) | 2011-12-14 |
EP1640607A4 (en) | 2016-03-16 |
US20060145668A1 (en) | 2006-07-06 |
AU2004245779A1 (en) | 2004-12-16 |
CN101560951A (zh) | 2009-10-21 |
KR20060052687A (ko) | 2006-05-19 |
CA2528767A1 (en) | 2004-12-16 |
CN1836103A (zh) | 2006-09-20 |
US7432608B2 (en) | 2008-10-07 |
CN101187355B (zh) | 2012-06-13 |
CN100387833C (zh) | 2008-05-14 |
CN101187355A (zh) | 2008-05-28 |
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