WO2023144591A1 - Installation de génération électrique hybride éolienne-solaire - Google Patents

Installation de génération électrique hybride éolienne-solaire Download PDF

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Publication number
WO2023144591A1
WO2023144591A1 PCT/IB2022/050808 IB2022050808W WO2023144591A1 WO 2023144591 A1 WO2023144591 A1 WO 2023144591A1 IB 2022050808 W IB2022050808 W IB 2022050808W WO 2023144591 A1 WO2023144591 A1 WO 2023144591A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
wind
electromagnetic motor
flaps
rotation
Prior art date
Application number
PCT/IB2022/050808
Other languages
English (en)
Russian (ru)
Inventor
Алексейс ХОЛОСТОВС
Original Assignee
Алексейс ХОЛОСТОВС
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Алексейс ХОЛОСТОВС filed Critical Алексейс ХОЛОСТОВС
Priority to PCT/IB2022/050808 priority Critical patent/WO2023144591A1/fr
Publication of WO2023144591A1 publication Critical patent/WO2023144591A1/fr

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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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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 
    • F03D3/06—Rotors
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems

Definitions

  • the invention relates to the field of wind energy, namely to a wind-solar hybrid generator set with a wind turbine and photovoltaic panels for generating electricity and can be used to convert the kinetic energy of wind and solar energy into electrical energy.
  • a vertical axis wind turbine is known [US8232664B2], in which a vertical axis wind turbine is mounted on a platform with dynamic wind traps to direct the wind impinging on the turbine blades. Dynamic windcatchers close in strong winds to isolate the wind turbine and protect it from damage.
  • the disadvantage of the known design is that the installation rotor is a Darier rotor, which does not work efficiently at low wind speeds. Also, the control system of dynamic windcatchers is very complex and expensive, besides, it consumes electricity irretrievably.
  • the closest device for the same purpose to the claimed invention in terms of a set of features is a vertical axis wind turbine [W02015078086A1], which includes an axis of rotation and a plurality of blades with dynamic shutters.
  • the technical problem solved by the invention is the creation of a wind-solar hybrid generator set, which operates effectively in strong winds and in light winds, using the wind, starting from a speed of 0.1 m/s.
  • a wind-solar hybrid generator set comprising: a platform; four-blade rotor with a vertical axis of rotation, which can rotate freely on the specified platform; eight stationary windcatchers; an electromagnetic motor including coils, permanent magnets, an electromagnetic motor rotor and an electromagnetic motor rotation axis; a generator attached to the axis of rotation; an upper hub and a lower hub connected to a vertical axis of rotation: blades including frames and flaps connected to a vertical axis of rotation; moreover, the holes and flaps located inside each blade are made with the ability for the wind to pass through the holes and flow around the flaps or press on said flaps depending on the position of the blade during rotation of the four-blade rotor; according to the invention, the flaps are made in the form of vertical dynamic flaps that can be opened with respect to the plane of the frame at an angle of up to 85 degrees, and the said flaps are made in the form of an aerodynamic profile of an aircraft wing; said flaps are designed to operate in light winds with speeds up to
  • the proposed wind-solar hybrid generator set has blades on which vertical dynamic (automatically opening and closing under the influence of wind and centrifugal force) flaps with an aerodynamic profile of an aircraft wing are installed.
  • these flaps operate on the principle of a pressure rotor, and in strong winds they are automatically transformed into a Darrieus rotor without the use of drives and energy costs.
  • the profile of the aircraft wing flaps allows outside the direct wind impact sector not only to minimize the resistance of the oncoming (frontal) flow, but also to extract additional power from it.
  • the proposed wind-solar hybrid generator set is equipped with an economical brushless electromagnetic motor (motor) that constantly rotates the rotor, including at a wind speed of 0 m/s. Accordingly, any wind flow with a speed above 0 m/s is captured and converted into mechanical energy and then into electricity.
  • motor brushless electromagnetic motor
  • the stator of the electromagnetic motor is formed by a series of coils that are fixed on a platform along the diameter of the four-blade rotor of the hybrid generator set, and permanent magnets are attached to the rotor of the electromagnetic motor or to the ends of the blades to ensure that the four-blade rotor constantly rotates with the application of an impulse at the most distant point from the center. said rotor.
  • the platform which is the base of the wind-solar hybrid generator set, has a solar-reflective coating that directs the light flux to the photovoltaic panels.
  • the energy generated by the photovoltaic panels is enough to power a brushless electromagnetic motor and spin a four-blade rotor.
  • the proposed wind-solar hybrid generator set has a set of features that enable it to operate effectively in strong winds and in light winds, using wind speeds starting from 0.1 m/s.
  • the brushless electromagnetic motor can be made in the form of a motor without a housing.
  • the brushless electromagnetic motor can be made in the form of a motor with a housing.
  • Platform and doors can be covered with reflective material.
  • the wind-solar hybrid generator set can be equipped with reflective elements that redirect the light flux to darkened photocells.
  • the flaps can be made in the form of an aerodynamic plano-convex profile of an aircraft wing, with the open convex side of the flap facing away from the axis of rotation.
  • Fig. 1 is a general view of a wind-solar hybrid generator set, in which the electromagnetic motor rotor is made in the form of a separate electromagnetic motor rotor;
  • fig. 2 is a schematic plan view of the wind-solar hybrid generator set (without piping) shown in FIG. 1 ;
  • in fig. 3 is a section through a brushless electromagnetic motor installed in a wind-solar hybrid generator set.
  • the wind-solar hybrid generator set (Fig. 1 shows a general view, Fig. 2 is a top view, which does not show the harness) contains a platform 7, a four-blade rotor 1 with a vertical axis of rotation 12, which can rotate freely on the specified platform 7; eight stationary wind catchers 6, forming confusers in the horizontal plane, directing the wind flow to the four-blade rotor 1.
  • the wind-solar hybrid installation is equipped with a brushless electromagnetic motor, including coils 9 and permanent neodymium magnets 10.
  • a generator 2 is attached to the vertical axis of rotation 12.
  • the upper hub and lower hub are connected to the vertical axis of rotation 12.
  • Platform 7 is the power base of the structure. Windcatchers 6 are fixed on it and a generator 2 is installed on its lower side.
  • Each blade 13 of the four-bladed rotor 1 includes a frame 4 and one pair of vertical dynamic flaps 5 made in the form of an aerodynamic plano-convex profile of an aircraft wing, with the convex side of the flap 5 in the open form facing away from the axis of rotation 12.
  • the angle between the blades 13 is 90 degrees.
  • the blades 13 are attached to the vertical axis of rotation 12.
  • the flaps 5 are attached with side hinges with limiters to the frames 4, while the frame 4 vertically holds the flaps 5 on itself, allowing the flaps 5 to open and close freely with respect to the plane of the frame 4 at an angle ranging from 0 up to 85 degrees, and the flaps 5 open and close parallel to the axis of rotation 12.
  • the maximum angle at which the flaps 5 can open is set by the limiters and in other embodiments may be less than 85 degrees.
  • holes 14 are made, wherein said holes 14 and flaps 5 are made with the possibility for the wind to pass through the holes 14 when the flaps 5 are open and flow around the flaps 5 or press on the said flaps 5 when they are closed, depending on the position of the blade. 13 during the rotation of the four-bladed rotor 1 relative to the sector of influence of the wind flow.
  • the flaps 5 are made with the possibility of operation of a four-blade rotor 1 in light wind at a speed of up to 3 m/s according to the principle of pressure rotor, and with a stronger wind - through the aerodynamic profile of the aircraft wing according to the principle of the Darrieus rotor.
  • the harness 3 fastens the wind catchers 6 together, and also holds the wind catchers 6 and the axle 12 through the upper hub in a vertical position.
  • the piping can be continuous, in which case it prevents the loss of part of the wind flow, or it can consist of tubes. In one and the other case, the strapping 3 should transmit the sun's rays through itself as much as possible so as not to obscure the solar panels.
  • the upper hub is fixed in the harness 3 and is connected through a bearing to the axis 12, allowing it to stand strictly vertically and rotate freely, and the lower hub is fixed to the platform 7 and connected through a bearing to the axis of rotation 12, allowing it to stand strictly vertically and rotate freely.
  • Platform 7 is the power base of the structure. Windcatchers 6 are fixed on it and a generator 2 is installed on its lower side.
  • the windcatchers 6 are mounted at 120 degrees to the blade 13 (when the blade 13 is closest to the corresponding windcatcher 6) and are made in the form of photovoltaic panels, on average one household photovoltaic panel has an output power of about 250 watts, although the power can vary from 50 to over 450 watts.
  • the platform 7, which is the base of the installation, has a sun-reflective coating, which contributes, through reflection, to the entry of additional light energy onto the solar panels.
  • the wind-solar hybrid generator set is equipped with a brushless electromagnetic motor (shown in section in Fig. 3), which operates due to the interaction of electromagnetic coils 9 with permanent neodymium magnets 10.
  • the brushless electromagnetic motor is installed on the rotation axis 12.
  • the rotor of the electromagnetic motor is made in the form of a separate rotor 11 electromagnetic motor.
  • the stator 8 of the electromagnetic motor is formed by a number of coils 9, which are fixed on the platform 7 along the diameter of the four-blade rotor 1 of the hybrid generator set, and the permanent magnets 10 are attached to the rotor of the electromagnetic motor 11.
  • the efficiency of this electromagnetic motor is at least 95% and the power consumption is minimal.
  • the device works as follows.
  • the brushless electromagnetic motor helps, with minimal loss of electricity, the installation to continue to rotate, even if the wind speed is 0 m/s, thereby eliminating energy losses during the starting acceleration of the four-bladed rotor 1.
  • Coils 9 create a magnetic field with polarity opposite to that of the permanent magnet 10, at the moment of approaching it, which leads to the mutual attraction of the coil 9 and the permanent magnet 10, and, accordingly, the rotor of the electromagnetic motor 11, since the permanent magnet 10 is attached to it.
  • the polarity of the coil 9 is changed to the same with the permanent magnet 10, which leads to the repulsion of the permanent magnet 10 and the coil 9, and, accordingly, the rotor of the electromagnetic motor 11, since the permanent magnet 10 attached to it.
  • the axis of rotation 12 connects the rotor of the electromagnetic motor 11 with a four-blade rotor 1 and a generator 2.
  • the generator 2 attached to the axis of rotation 12, generates electricity, through the axis of rotation 12 receiving kinetic energy from a four-bladed rotor 1, rotated by the wind.
  • the blades 13 connected to the vertical axis of rotation 12 capture the wind flow and transfer its energy through the axis of rotation 12 to the generator 2.
  • Leaf 5 work on the principle of a weather vane. At the moment necessary to form the working surface of the blade 13, the flaps 5 are closed, while in order to minimize drag outside the zone of influence of the wind flow, the flaps open, forming an angle of 85 degrees relative to the frame 4 of the blade 13.
  • Leaf 5 interacts with the wind flow. Being in the sector of influence of the wind flow, the sash 5 closes, pressing the entire plane against the frame 4, thereby increasing the area of wind sweeping. And outside the sector of influence of the wind flow, the leaf 5 opens, allowing the oncoming flow to pass freely into the holes 14 and thereby effectively minimizing drag.
  • the flaps 5 remain closed at low wind speeds of up to 3 m/s, increasing the surface area affected by the wind flow, and the four-bladed rotor 1 operates on the principle of a pressure rotor. But with a sufficiently strong wind over 3 m/s, the flaps 5 are fixed in the open position due to centrifugal force and limiters, and by means of the aerodynamic plano-convex profile of the aircraft wing, the four-blade rotor 1 is turned into a Darrieus-type rotor.
  • the wind-solar hybrid generator set (not shown in the figure) is structurally similar to that described in Example 1.
  • the performance of the brushless electromagnetic motor is different.
  • the four-bladed rotor also serves as the rotor of the electromagnetic motor. Permanent magnets are attached to the ends of the blades.
  • the wind-solar hybrid generator set operates in the same way as described in Example 1.
  • the proposed wind-solar hybrid generator set can use wind energy even if the speed is only 0.1 m/s.
  • the wind trapping area must be large. But with a larger blade area, the drag will increase, especially as the wind increases. This greatly reduces the average CVEI (Wind Energy Utilization Factor) of a pressure rotor installation.
  • a generator with a Darrieus type rotor can be used. But it starts to rotate when the wind speed is more than 3m/s and cannot use the wind less than 3m/s (so-called non-industrial wind).
  • one of the significant advantages is the design of the rotor, which consists of a frame and dynamic shutters, having the shape of an aircraft wing.
  • the flaps remain closed at low wind speeds, increasing the surface area. But with a strong wind, the doors open and turn into a Darrieus-type rotor.
  • the advantages of both types of rotors are combined and the disadvantages of both are eliminated.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne une installation de génération électrique hybride éolienne-solaire comprenant une turbine éolienne et des panneaux photoélectriques afin de produire de l'énergie électrique. Cette installation de génération électrique hybride éolienne-solaire comprend une plateforme (7), un rotor à quatre pales (1) avec un axe de rotation vertical (12), des pièges à vent (6) se présentant sous forme de panneaux photoélectriques; des pales (13) comprenant des cadres (4) et des volets (5) permettant d'actionner le rotor à quatre pales (1) lors d'un vent faible à une vitesse atteignant 3 m/s selon le principe de rotor d'amenée et, lors d'un vent plus fort, à l'aide d'un profil aérodynamique en aile d'avion selon le principe d'un rotor de Darrieus. L'installation comprend un moteur électromagnétique sans collecteur dont le stator est formé à proximité des bobines fixées sur la plateforme (7) en suivant le diamètre de l'installation, tandis que des aimants permanents sont fixés au rotor du moteur électromagnétique (11).
PCT/IB2022/050808 2022-01-31 2022-01-31 Installation de génération électrique hybride éolienne-solaire WO2023144591A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2022/050808 WO2023144591A1 (fr) 2022-01-31 2022-01-31 Installation de génération électrique hybride éolienne-solaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2022/050808 WO2023144591A1 (fr) 2022-01-31 2022-01-31 Installation de génération électrique hybride éolienne-solaire

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WO2023144591A1 true WO2023144591A1 (fr) 2023-08-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2014486C1 (ru) * 1991-06-27 1994-06-15 Лев Анатольевич Степанов Аэрогидродинамический двигатель степанова
US6309172B1 (en) * 1996-08-23 2001-10-30 Georges Gual Wind turbine with low vertical axis
JP2013060889A (ja) * 2011-09-13 2013-04-04 Muto Denshi Kogyo:Kk ソーラー・風力ハイブリット発電装置
US20160281507A1 (en) * 2013-11-27 2016-09-29 Hung Fai Henry TSO Multi-vane-type flow kinetic energy device
CN108081985A (zh) * 2017-12-08 2018-05-29 黄剑峰 利用太阳能、风能的一体化充电桩
RU193683U1 (ru) * 2019-07-25 2019-11-11 Общество с ограниченной ответственностью "НАУЧНО-ТЕХНОЛОГИЧЕСКИЙ ЦЕНТР "СОЛНЕЧНАЯ ЭНЕРГЕТИКА" Фотоветровая электростанция

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2014486C1 (ru) * 1991-06-27 1994-06-15 Лев Анатольевич Степанов Аэрогидродинамический двигатель степанова
US6309172B1 (en) * 1996-08-23 2001-10-30 Georges Gual Wind turbine with low vertical axis
JP2013060889A (ja) * 2011-09-13 2013-04-04 Muto Denshi Kogyo:Kk ソーラー・風力ハイブリット発電装置
US20160281507A1 (en) * 2013-11-27 2016-09-29 Hung Fai Henry TSO Multi-vane-type flow kinetic energy device
CN108081985A (zh) * 2017-12-08 2018-05-29 黄剑峰 利用太阳能、风能的一体化充电桩
RU193683U1 (ru) * 2019-07-25 2019-11-11 Общество с ограниченной ответственностью "НАУЧНО-ТЕХНОЛОГИЧЕСКИЙ ЦЕНТР "СОЛНЕЧНАЯ ЭНЕРГЕТИКА" Фотоветровая электростанция

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