WO2011014147A1 - Système éolien à axe vertical pour réseau public - Google Patents

Système éolien à axe vertical pour réseau public Download PDF

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Publication number
WO2011014147A1
WO2011014147A1 PCT/US2009/004413 US2009004413W WO2011014147A1 WO 2011014147 A1 WO2011014147 A1 WO 2011014147A1 US 2009004413 W US2009004413 W US 2009004413W WO 2011014147 A1 WO2011014147 A1 WO 2011014147A1
Authority
WO
WIPO (PCT)
Prior art keywords
vertical axis
wind turbine
wind
rotor shaft
power
Prior art date
Application number
PCT/US2009/004413
Other languages
English (en)
Inventor
Arnold Price
Original Assignee
Arnold Price
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 Arnold Price filed Critical Arnold Price
Priority to PCT/US2009/004413 priority Critical patent/WO2011014147A1/fr
Priority to US12/658,744 priority patent/US20110025070A1/en
Publication of WO2011014147A1 publication Critical patent/WO2011014147A1/fr

Links

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
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/913—Mounting on supporting structures or systems on a stationary structure on a mast
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/50—Kinematic linkage, i.e. transmission of position
    • F05B2260/503—Kinematic linkage, i.e. transmission of position using gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/50—Kinematic linkage, i.e. transmission of position
    • F05B2260/504—Kinematic linkage, i.e. transmission of position using flat or V-belts and pulleys
    • 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
    • Y02E10/728—Onshore wind turbines

Definitions

  • the present invention relates to wind power and distribution.
  • it relates to a vertical axis wind turbine system deployed on the power grid for converting energy extracted from atmospheric wind into electrical energy transmitted to the power grid.
  • Wind power turbines are well known in the art for extracting energy from atmospheric wind, and converting that energy, into electrical energy.
  • Wind power turbines have been shown to be capable of generating power for delivery, via interconnection, to existing grid systems, individual homes, businesses, or utilities. Most of all of the wind power systems are designed to gather large amounts of power, in the Mega Watt range, through the deployment of enormous wind turbines, which are typically at least 100 feet high. Small wind powered turbines have also been deployed, and are configured to power a single home, business, or certain elements of a home or business.
  • the roadway system includes ground based wind energy turbines in combination with one or more roads and the roadway system electricity grid.
  • the roadway system contemplates the conversion of wind conditions either generated by passing motor vehicles and the atmosphere.
  • the turbines are connected to the roadway system electricity grid, and are positioned along the roads to in order to take advantage of the wind turbulence generated from the passing motor vehicles.
  • a vertical axis wind system for generation and distribution of electrical energy to a utility grid.
  • the system includes a power pole electricity system supported by a plurality of ground-based upright support members.
  • the electricity system is electrically connected to the utility grid.
  • the support members include at least one vertical rotor shaft portion.
  • the rotor shaft portion has an outer surface and a vertical axis of rotation.
  • a vertical axis wind turbine is rotatably attached to the rotor shaft portion so that the wind turbine rotates freely around the outer surface of the rotor shaft portion.
  • a power takeoff is coupled to the wind turbine for driving a generator electrically connected to the utility grid when exposed to an atmospheric wind condition.
  • FIG. 1 shows is a perspective view of the present invention deployed in combination with a power pole.
  • FIG. 2 is a cross-sectional view of the present invention deployed on the power pole, as shown in FIG. 1.
  • FIG. 3 is a perspective view of the present invention showing deployment of a wind turbine array together with the associated generators on a plurality of power poles.
  • FIG. 4 is a perspective view of the present invention showing deployment of the wind turbine in a two generator configuration and deployed on a digital signal tower.
  • FIG. 5 is a cross sectional view of a preferred embodiment, shown in FIG.
  • FIG. 6 is a perspective view of another embodiment of the present invention showing two upright support members attached to the ground based power pole, rotor shaft portions for affixing two vertical axis turbine assemblies where the generators are in axial alignment with the rotor shaft portions.
  • FIG. 7 is a perspective view of the present invention showing deployment of a wind turbine array, as configured in FIG. 6.
  • FIG. 8 is a perspective view of an embodiment of the present invention where the ground based power pole is a utility tower having two rotor shaft portions.
  • a "wind turbine array” means a plurality of wind energy generating devices either on a network of power poles, or on a single power pole.
  • An “electricity system” means a ground based network of electrical connections for the transportation and transmission of electrical energy, and may, but need not, include, energy storage systems, controls for inverting energy, power source changing units, electricity meters, and backup power systems.
  • the "utility grid” or “grid” means, the existing infrastructure of electrical lines and power boxes, as further described below.
  • An “energy storage system” as used herein is any device that can store electrical energy including, without limitation, systems which transform electrical energy into some other form of energy such as chemical or thermal.
  • power pole means any upright member used in supporting a power pole electricity system including power poles, telephone poles, digital signal transmission towers, large scale electrical transmission towers, and signs.
  • the invention provides a vertical axis wind system 10 for the generation, conversion and distribution of renewable wind energy into electrical energy to a utility grid.
  • the system 10 is particularly useful in that it is suitable in retrofit deployment on an existing power pole 12 electricity infrastructure connected to the utility grid.
  • the grid is a power transmission network.
  • the power grid is the bulk transfer of electric power to consumers. Multiple redundant lines between points on the network are connected so that power can be routed from any power plant to any load center. Transmission companies determine the maximum reliable capacity of each line, which, due to system stability considerations, may be less than the physical or thermal limit of the line. Thus, the d-c potential produced by the generator 24, in accordance with the present invention, is easily matched with the transmission companies' requirements.
  • a system which typically connects power plants to multiple substations near a populated area is called an electricity transmission system.
  • the wiring from substations to customers is referred to as an electricity distribution utility grid or system.
  • This system follows the well known business model separating the wholesale electricity transmission business from distributors which deliver the electricity to the homes.
  • the utility grid allows distant energy sources (such as power plants) to be connected to consumers in population centers.
  • the transmission lines use alternating current or, as in the case of high voltage systems, direct current which is used for long distance transmission or undersea applications and in connecting different alternating current networks.
  • the power is usually transmitted as alternating current through overhead power lines 15 supported on power poles or towers.
  • Power pole electricity systems including electrical power lines 15 and communication lines 11 have long been supported above ground by utility poles.
  • utility poles are made from wood, steel, reinforced or prestressed concrete, or fiber reinforced composite materials, and may be formed as a solid or hollow member.
  • the power poles are typically positioned within easements created for communications, railways, or roadways on a variety of terrains.
  • Power poles typically include one or more substantially vertical upright structural support members 12 which, in accordance with the present invention, provide an existing portion for use as a rotor shaft 14 supporting the wind turbine 20 rotor assembly.
  • the overall height of a typical tall power pole is an advantage, in use with the present invention, because both wind power and stack effect (for helical devices) will be increased with an increase in height.
  • the upright support members 12 may be cylindrical, or square, shaped members and may be either solid, semi-solid, or hollow in construction.
  • one or more upright support members 12 maybe attached in a substantially vertical orientation to an existing power pole or tower, having an inclined ground based supporting structure.
  • the upright support members 12 typically support "T" or "H” shaped members 17 for carrying the electrical power lines 15.
  • the system 10 includes a power pole electricity system having a plurality of ground based upright support members 12 electrically connected to the utility grid. At least one of the support members 12 is configured to include at least one elongated substantially vertical rotor shaft portion 14.
  • the rotor shaft portion 14 has an outer surface and a vertical axis of rotation.
  • Vertical axis turbines 20 rotate around the vertical axis, which is oriented, as in the present invention, more or less, perpendicular to the ground.
  • the present invention contemplates the use of any type of vertical axis turbine 20 assembly, well known in the art, including such devices known as a Darrieus wind turbine, a Giromill-type Darrieus wind turbine, a Savonius wind turbine, a helix-style turbine, and the like.
  • the wind turbine 20 is desirably deployed at any height which is desirable taking into consideration the existing demensions of the upright support members together with other variables relating to the desired use, output potential, environmental impact, or terrain.
  • the wind turbines 20 can be spatially oriented in arrays, as illustrated in FIG.s 3 and 7, for any distribution that conforms with the requirements of transmissions companies, electrical storage, output, safety and other municipal and governmental regulations.
  • the wind turbines 20 are rotatably connected to the rotor shaft portion 14 of the upright support member 12 by any conventional mechanical, or other suitable, methods such as clamping, bolting or welding.
  • the vertical axis wind turbine 20 desirably includes two rotor assemblies, preferably including bearing assemblies 16 to rotatably mount to the rotor shaft portion 14 of the power pole 12.
  • the rotor assemblies are affixed to the upright support member rotor shaft portions 14 either directly or indirectly, such as, when the wind turbine 20 includes upper and lower plates connecting the bearing assemblies 16 to the rotor shaft portion 14 of the power pole support member 12.
  • the rotor assembly may, but need not, include a circular bottom plate, a circular top plate, with the vanes 19 disposed circumferentially between the bottom and top plates.
  • the rotor assembly rotates about the rotor shaft portion 14 when exposed to an atmospheric wind condition.
  • a power takeoff assembly 21, 22 is provided. It desirably includes a gear driven configuration 21, 22, but may also be configured in a pulley or magnetic drive construction, of any type well known in the art. In the illustrated
  • the drive gear 21 is rotatably engaged to the rotor assembly of the wind turbine 20 so that the rotor assembly and the drive gear 21 rotate as a single unit.
  • the rotor assembly is supported on the rotor shaft portion 14 by an upper and lower bearing assemblies (located generally at 16). Bearing assemblies located at 16 facilitate the a rotor assembly to be rotatably mounted around the rotor shaft portion 14 and are of any design well known to one skilled in the art to include a plurality of bearing balls contained in bearing races (not shown).
  • a plurality of wind vanes 19 are disposed in circumferential alignment about the rotor shaft 14 of the power pole support member 12. As shown in drawing figures, FIG.s 6, 7, and 8, a plurality of wind turbine 20 rotor assemblies may be mounted on a single power pole support 12 to provide additional electrical power to the utility grid, per pole.
  • the generator 24 is of any type well known in the art which produces d-c potential, including generators and rotating electrical machines. More than one generator 24 may be deployed in engagement with the power take off 21, 22 from a single wind turbine 20, as illustrated in FIG.s 4 and 5, on a digital transmission tower 30.
  • the generator 24 is desirably connected with output leads (not shown) either to the power pole electricity system, the utility grid, or an energy storage system connected to the utility grid.
  • the overall construction of the generator 24, power takeoff 21, 22, and wind turbine 20 is dependant upon a variety of variables associated with the construction of electrical rotating machines according to standards within the industry.
  • a power pole support 12 which includes electricity lines 15 connected to the grid.
  • the power pole ground-based upright support members 12 provide the desired location for at least one substantially vertical rotor shaft portion 14 having an outer surface and a vertical axis of rotation for attachment of the wind turbine 20, power takeoff 21, 22, and generator 24 assemblies.
  • the wind turbine 20, power takeoff 21, 22, and generator 24 devices are designed, constructed, and shipped as a single functional unit for attachment and electrical connection, on-site, to the power pole support 12 at any desired predetermined position for the pole support 12 to function as the rotor shaft 14.
  • Mounting the vertical axis wind turbine 20 rotor assembly to the rotor shaft 14 portion of the power pole support 12 may be made by attaching the bearing assemblies directly to the rotor shaft portion 14, or with the use of upper and lower mounting brackets or plates which either house or connect to the bearing assemblies, in any such manner which is well known, so long as the wind turbine 20 rotor assembly rotates freely around the outer surface of the rotor shaft portion 14 when the vanes 19 are exposed to an atmospheric wind condition.
  • the power takeoff assembly 21, 22, the bearing assembly, positioned at 16, and the generator 24 are preferably contained within a common housing configured to receive the assemblies in workable engagement with one another, and to protect the assembled configuration from harsh atmospheric conditions.
  • the generator 24 is finally connected, via output leads, or in any other manner, to the utility grid via the electricity system or electrical storage devices.
  • the present invention is preferably deployed on a network of power poles 12 as an array of wind turbines 20. Morerover, as shown in FIG. 5, the power takeoff 21, 22 may be used to drive more than one generator 24 per wind turbine 20. Finally, and as specifically contemplated herein, the rotor shaft portion 14 may be an attachment to an existing power pole or tower structure so as to support more than one wind turbine 20 in lateral alignment, or in axial alignment as one on top of the other (not shown).

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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 un système éolien à axe vertical permettant la production et la distribution d’énergie électrique pour un réseau public. Le système (10) comprend un système électrique à pylônes soutenu par une pluralité d’éléments de support verticaux au sol (12). Le système électrique est relié électriquement au réseau public. Les éléments de support (12) comprennent au moins une partie arbre de rotor verticale (14). La partie arbre de rotor (14) présente une surface extérieure et un axe de rotation vertical. Une éolienne à axe vertical (20) est fixée rotative à la partie arbre de rotor (14), de manière à tourner librement autour de la surface extérieure de la partie arbre de rotor (20). Un dispositif de prise de force (21, 22) est accouplé à l’éolienne afin d’entraîner un générateur (24) relié électriquement au réseau public, en cas d’exposition au vent.
PCT/US2009/004413 2009-07-31 2009-07-31 Système éolien à axe vertical pour réseau public WO2011014147A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2009/004413 WO2011014147A1 (fr) 2009-07-31 2009-07-31 Système éolien à axe vertical pour réseau public
US12/658,744 US20110025070A1 (en) 2009-07-31 2010-02-16 Utility grid vertical axis wind turbine system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/004413 WO2011014147A1 (fr) 2009-07-31 2009-07-31 Système éolien à axe vertical pour réseau public

Publications (1)

Publication Number Publication Date
WO2011014147A1 true WO2011014147A1 (fr) 2011-02-03

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ID=43529573

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/004413 WO2011014147A1 (fr) 2009-07-31 2009-07-31 Système éolien à axe vertical pour réseau public

Country Status (1)

Country Link
WO (1) WO2011014147A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720100U (ja) * 1993-09-08 1995-04-07 株式会社昭電 風力発電システム
JP2003097415A (ja) * 2001-09-25 2003-04-03 Fujin Corporation:Kk 風力発電装置集合体
JP2003139042A (ja) * 2001-11-02 2003-05-14 Seiko Epson Corp 風力発電装置
WO2008058382A1 (fr) * 2006-11-14 2008-05-22 Darryl Jessie Éolienne à axe vertical et générateur
KR20090039022A (ko) * 2007-10-17 2009-04-22 윤태소 소형 발전기가 복수개 구성된 풍력 발전기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720100U (ja) * 1993-09-08 1995-04-07 株式会社昭電 風力発電システム
JP2003097415A (ja) * 2001-09-25 2003-04-03 Fujin Corporation:Kk 風力発電装置集合体
JP2003139042A (ja) * 2001-11-02 2003-05-14 Seiko Epson Corp 風力発電装置
WO2008058382A1 (fr) * 2006-11-14 2008-05-22 Darryl Jessie Éolienne à axe vertical et générateur
KR20090039022A (ko) * 2007-10-17 2009-04-22 윤태소 소형 발전기가 복수개 구성된 풍력 발전기

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