Segment wind power generator's rotor
FIELD: power engineering.
SUBSTANCE: invention relates to wind power generation, in particular to segment-type wind power generator. In the rotor of the segment-type wind power generator containing a hub, blades, rim and ferromagnetic bodies and non-magnetic elements connected to each other and installed on the rim; according to the invention the ferromagnetic bodies are designed as pieces of pipes inside which the fixing connections are installed which are designed from non-magnetic elements as bar pieces with holes for fastening bolts.
EFFECT: invention is aimed at minimising of weight and dimensions of the rotor of the wind power generator at minimising of its cost due to simplification of fabrication technology.
The invention relates to the field of wind energy, in particular wind power segment type.
Known microelectroporation [RF Patent №2211951 / A. M. Litvinenko - Microelectrochemistry installation, publ. BI No. 25 dated 10.09.2003, application No. 20011359 46/06 from 27.12.2001, IPC F03D 9/00], in which the rotor part microelectroporation installation, includes a permanent magnet mounted in the middle of the C-shaped brackets with the help of a band of non-magnetic wire. Also known segmental rotor patent (RU 2270360 C1, F03D 9/00, 20.02.2006), which contains as the base rim.
The disadvantage of these rotors is that they cannot be used with induction generator and the complexity of attachment associated with the use of a non-magnetic binder, increased weight.
Known analogues closest to the claimed combination of essential features for a rotor of a wind power [RF Patent №2270363 / A. M. Litvinenko - Rotor wind power, publ. BI 5 from 20.02.2006, application No. 20041286 76/06 from 27.09.2004, IPC F03D 9/00].
The technical result from the use of this rotor is to reduce the weight and size of the rotor segment ferroelectromagnetic while minimizing its cost by simplifying the manufacturing technology and is ensured by the fact that magnetor the water rotor ferroelectromagnetic made in the form of ferromagnetic bodies, which are interconnected by means of bolts and non-magnetic U-shaped brackets and installed on the curved elements. Thus, the rotor includes a hub, blades, spokes, rim and the ferromagnetic body.
The disadvantage of this rotor is that its structure is difficult to use widespread tubular elements as circular and square cross-sections.
The invention is directed to reducing the weight and size of the rotor ferroelectromagnetic while minimizing its cost by simplifying the manufacturing technology.
This is achieved in that the rotor segment ferroelectromagnetic containing the hub, the blades, the rim and the ferromagnetic body and non-magnetic elements connected to one another and mounted on the rim according to the invention the ferromagnetic body is made in the form of segments of pipe, inside of which is installed fasteners, made of non-magnetic elements, in the form of segments of bars with holes for fastening bolts.
The invention is illustrated by drawings, where Fig.1 shows a General view of the rotor of Fig.2 - cross on the non-magnetic elements, Fig.3 is a cross section of the ferromagnetic bodies in Fig.4 is a General side view of ferroelectromagnetic.
The rotor of wind power segment includes the wheel hub 1, the blade 2, spokes 3, the rim 4, the ferromagnetic tela, non-magnetic elements 6, screed 7, representing the two retaining element respectively to the right or left-handed, United nut is also provided with right and left threads. The rotor also includes bars 8 couplers 7 and the fastening bolts 9. Thus, fasteners, made of non-magnetic elements are bars with holes for fastening bolts. In addition, the necessary elements are screed 7, also made of nonmagnetic segments of the bars 8 and the non-magnetic rods with nuts.
The rotor operates as follows: when there is wind flow, which exerts pressure on the spokes (the blades), the rotor starts to rotate. Ferromagnetic cores modulate the magnetic flux of the stator. The stator is mounted on the lower end of traverse, which is attached to the moving (rotating) the basis on which also strengthened the bearing and the tail wind power. The stator, like all stators induction generators, constitutes a magnetic circuit, in which, in addition to the magnetic circuit includes the source of the magnetic field of the permanent magnet or the excitation coil and the working coil which senses changes in flow caused by its modulation by the rotor. The induced voltage is then fed to the control unit and then to the load. Nonmagnetic e the cops 6 represent bars, made for example from plastic, provided with holes for the passage of fastening bolts.
Technical and economic advantage of the rotor is that the technology of its implementation implies the existence of such common elements as pieces of pipes.
The rotor segment ferroelectromagnetic containing the hub, the blades, the rim and the ferromagnetic body and non-magnetic elements connected to one another and mounted on the rim, wherein the ferromagnetic body is made in the form of segments of pipe, inside of which is installed fasteners, made of non-magnetic elements, in the form of segments of bars with holes for fastening bolts.
FIELD: power engineering.
SUBSTANCE: wind wheel of the segment type electric generator, containing a hub, blades with the stringers designed as a sailing fin assembly, according to the invention, has fastening of stringers to the rim connected to the hub by means of spokes which are designed as flat-topped brackets on vertical sides of which the pairwise cuts are made which contact to the rim. Flat-topped brackets are connected to the rim fasteners, and stringers are fixed on horizontal shelves of flat-topped brackets.
EFFECT: possibility of use of stringers of the blade both as structural elements and magnetic conductors of the segment generator that provides simplification and reduction in cost of the design due to the use of the sailing fin assembly.
SUBSTANCE: invention relates to an electric generating system and to its operation method. The electric generating system brought into action with a fluid medium includes a frame, at least one module 10 for power generation, which is installed on the frame and configured so that a carrying capacity can be provided due to the flowing fluid medium. At least one module 10 for power generation includes a mounting plate 12 attached to the frame, a drive gear 14 connected to a shaft 16 of a rotor, the rotor having a blade 17 attached to the shaft 16 of the rotor, and multiple generators 20 attached to the mounting plate 12. Each generator 20 has an outlet shaft 24 connected so that it can be rotated with the drive gear 14 so that rotation of the drive gear 14 brings into movement the outlet shaft 24 of each generator 20 for the generation of electrical power. Each generator 20 has a disengagement mechanism configured with a possibility of disengagement of the outlet shaft 24 from the drive gear 14.
EFFECT: invention is aimed at use of kinetic energy of a medium flow as much as possible.
15 cl, 14 dwg
SUBSTANCE: invention relates to alcohol obtaining. A system of renewable energy accumulation represents a block of renewable energy sources, connected to a technological scheme of obtaining an alcohol. The block of renewable energy sources provides thermal and electric energy for supporting the processes in the scheme of the alcohol obtaining.
EFFECT: invention makes it possible to provide ethanol obtaining from a biomass, with the application of renewable energy sources, which makes it possible to obtain alcohol on remote territories, possessing the required raw material.
SUBSTANCE: invention relates to aircraft engineering, particularly, to aircraft emergent power plant release. Aircraft windmill set-up device is arranged in fuselage compartment. The latter has skin and structural elements, hatch with cover articulated with structural elements, crosswise and lengthwise walls. Windmill has casing with bar first end secured thereto. This device comprises windmill retracted position lock, windmill release power drive and hatch cover opening mechanism. Bar second end is secured at compartment crosswise wall, at its bottom. Power drive thrust part is articulated with compartment top part crosswise wall while drive actuator is articulated with windmill bar second end. Hatch cover swivel with compartment structural elements is equipped with brackets with supports rigidly secured to hatch cover while arms are articulated with compartment structural elements. Cover opening mechanism is furnished with link composed of aligned body and rod connected to turn relative to each other about common axis. Besides, it has two journals with first ends articulated with link ends, second end being articulated with said bar nearby its first end. Second end is articulated with hatch cover.
EFFECT: simplified design, higher reliability, decreased weight and higher safety.
7 cl, 8 dwg
SUBSTANCE: system of agricultural field microclimate control comprises wind-protective and snow-retaining elements located on the edge of the field, a water reservoir made along the edge of the field from the side of most probable entry of dry wind. On opposite sides of the water reservoir along the field the vertical blinds are placed with the height of at least half the width of the water reservoir, mounted with the ability of rotation about the vertical axis and inclination in the vertical plane. The bottom of the water reservoir can be coated with impervious material, the water sprayers can be mounted along the water reservoir, and the sources of energy for the water sprayers the system can be provided with one or more wind-driven power-plants and solar batteries.
EFFECT: increase in the degree of protection of the field due to reducing the rate and temperature of dry wind and increase in moisture content of the surface air layer, as well as the reduction of energy consumption through the use of natural energy sources.
4 cl, 3 dwg
FIELD: power engineering.
SUBSTANCE: invention relates to the field of wind power engineering, in particular, to rotors of wind power generators of segment type. In the rotor of the wind power generator comprising a hub, blades, arched elements and magnetic conductors, according to the invention, magnetic conductors are made in the form of sections of pipes, inside of which there are fixing elements protruding beyond the ends of the pipes, which are connected to arched elements, for instance, yokes with tightening bolts. Ferromagnetic magnetic conductors in the form of sections of pipes substantially form the rotor teeth.
EFFECT: advantage of this rotor is manufacturability, low cost of initial blanks, representing sections of pipes, which provides for reduced mass and dimensions of a rotor of a wind power generator at minimisation of its cost.
FIELD: engines and pumps.
SUBSTANCE: invention relates to wind power engineering and can be used for production of electric or mechanical power. Windmill consists of windwheel with rotary cylinders, cylinder drive, power supply, electrical generator articulated with windwheel and device to direct windmill to counterblast. Horizontal windwheel is composed of drum with rotary discs running in bearings on fixed shaft secured at disc ends. Cylinders with drive run on their axles in said discs. Shield secured to windmill fixed shaft is located perpendicular to counterblast. Drive is composed by one motor transmitting rotation via flexible links to pulleys of cylinders located windward. In compliance with another version, cylinders drive is composed of reversible motors secured at the drum and equipped with contact current collector while extra disc with two current collecting rings is fixed at stationary axle. Note here that said rings can be composed of two semi-rings located windward and two semi-rings located leeward. Said semi-rings are connected to power supply opposite poles. Shield secured to windmill fixed shaft is located perpendicular to counterblast.
EFFECT: efficient usage of Magnus forces.
4 cl, 2 dwg
FIELD: engines and pumps.
SUBSTANCE: invention relates to wind-power engineering, primarily to low-speed windmills. Invention aims at decreasing the generator weight and overall dimensions at minimised costs. Stator comprises base, coils, exciter and two strip-type magnetic conductors. First coil with core is arranged at its outer end. Two gaskets are fitted between second magnetic conductor and base. Second coil with core is arranged at its outer end of second magnetic conductor. Inner ends of magnetic conductors are lap-jointed for this joint to support exciter.
EFFECT: higher manufacturability and efficiency.
FIELD: engines and pumps.
SUBSTANCE: invention relates to wind-power engineering, primarily to low-speed windmills. Windmill stator comprises coil, excitation source and magnetic cores. In compliance with this invention, this stator comprises lower ferromagnetic angle piece and upper non-ferromagnetic angle piece. Working coil with core and excitation source are secured at lower ferromagnetic angle piece horizontal flange. Upper non-ferromagnetic angle piece horizontal flange has bores for working coil core and exciter tip.
EFFECT: integrated design, decreased weight and sizes, minimised costs.
FIELD: power industry.
SUBSTANCE: wind water heater comprises vertical housing, cover and bottom, inside which the top, middle and bottom perforated baffle plates are secured. Vertical shaft mounted in the cover through the flange and shutdown device, is connected with the shaft of wind engine. Shaft at the bottom is mounted in the opening of fixed disc attached to the bottom and rigidly connected with the movable disc. Hollow sleeves filled with substance changing its state of aggregation, are fixed on each of three baffle plates on top. The upper part of indicated sleeves is secured to the stationary disk, contacting with movable disc fixed on the shaft. Four blades in the form of semicylinders of pipe segments are fixed radially on the shaft under the cover. Four lower blades are fixed on the bottom above the movable disc with blades in the same form. Four blades in the form of semicylinders are fixed radially inside three sleeves on the shaft opposite the openings.
EFFECT: wind water heater is simple in design, compact, has significant mechanical energy converting factor into thermal energy and is multifunctional.
2 cl, 1 dwg
FIELD: blowers united with wind turbine, possibly used in different branches of industry and in objects of social and living designation.
SUBSTANCE: blower includes drum impeller with vanes mounted in horizontal shaft. Impeller is arranged in cylindrical casing having air intake opening and diffuser. Novelty is wind turbine built-in to structure of blower system. Wind turbine includes wind wheel with vanes on horizontal shaft. Wind wheel is arranged in cylindrical casing with air intake opening and diffuser. Diffuser of blower is connected with air intake of wind turbine. Carrying structure of blower is joined with carrying structure of wind turbine.
EFFECT: improved design, enhanced efficiency.
3 cl, 6 dwg
FIELD: power engineering; small power stations with open turbine hall.
SUBSTANCE: proposed emf source has open turbine hall; foundation; electrical machine provided with rotor, stator, and current-collection unit and connected to drive; self-contained starting motors connected to power supplies; as well as control unit and output module. Novelty is that open turbine hall floor of emf source is provided with circular race, surface part of foundation is equipped with anchor straps, slabs, locking brackets and rollers, aligning brackets and rollers; rotor is installed in journal bearing on annular support of foundation rotor; shaft of the latter has axial hole with service lines; source has supporting and aligning slab incorporated in frame built of hold-down beams, thrust columns, frame and foundation; it also has capital, rotor and stator drive mechanism, pods, aerodynamic compensator, distribution board, jet thrust matching device, thrust electric circuit switch, and auxiliary equipment power supply unit.
EFFECT: simplified design, facilitated maintenance of unit incorporating emf source; enhanced efficiency.
1 cl, 16 dwg
FIELD: wind-power engineering; electrical energy generation.
SUBSTANCE: proposed wind-powered generator has tower with adjustable windwheels, windward positioning device, wound rotors and stators; rotors are made in the form of concavo-concave aerodynamic disks mounted on ends of blades; stator has pole shoes whose ends are coupled with rotors. Windwheels are mounted on shafts of convertible electrical machines incorporating stator excitation system and rotor inductor; inductor coils are connected to rectifiers mounted on windwheel blades; rectifier outputs are connected to field coils installed in rotor disks.
EFFECT: enhanced specific load, reduced starting torque, facilitated acceleration to rated speed.
1 cl, 3 dwg
FIELD: wind-power engineering; wind power generators.
SUBSTANCE: proposed windmill-electric generating unit has electric generators; novelty is that this unit is made in the form of flow-through piping network with sealed valves and pressure transducers, generating unit ends being disposed in areas held at different atmospheric pressures; piping length and diameter meet following expression: D/L = ρλv
EFFECT: provision for continuous operation of windmill-electric generating unit.
1 cl, 1 tbl
FIELD: wind-power engineering; generation of electric power.
SUBSTANCE: proposed wind-power electric generator has tower with swivel cross-member and wind wheel, wind setting unit, rotors and stators with windings; rotors are made in form of aerodynamic washers having shape of concavo-concave disks secured on ends of blades and stator is provided with pole pieces whose ends are magnetically connected with rotors which are magnetically connected with additional stators; blades are provided with additional rotors magnetically connected with additional stators; additional rotors are electrically interconnected.
EFFECT: reduction of starting torque.
FIELD: wind power engineering.
SUBSTANCE: invention relates to plants generating electric energy to produce hot water for industrial use. Proposed combination wind power plant containing energy generating unit in form of windmill, air flow booster connected with windmill and energy generating and transforming unit in form of air turbine and generator connected to turbine, generator being butt-joined with gas-turbine turbine engine is furnished, according to invention, with heat recovery unit and processing unit, for instance, sea water freshening and cleaning unit made in form of thermal distiller and reverse osmosis device connected with heat recovery unit. Blades of windmill are made divided into sections for turning relative to each other with possibility of turning relative to longitudinal axis. Energy generating and transforming unit is provided with additional self-contained internal combustion engine and electric generator connected with said engine which is coupled with generator of gas-turbine unit to form common power unit. Control system includes device which, together with computer, provides electric parameters similar to network parameters. Energy generating unit is provided with device to divide air flow, said device being connected by flexible air line with air flow booster made programmable, for instance, pneumatic and multistage, whose low-pressure stage is connected with air turbine and with each member of processing unit, and high-pressure stage, with device to evaporate water of thermal distiller and reverse osmosis device which are connected with heat recovery unit. Point of connection of air line and power supply line is common, and torsion shafts coupled with vane engine and turbine are connected to said point.
EFFECT: increased efficiency owing to recovery of exhaust (hot) gases of engine and dissipation heat, enlarged sphere of industrial application of plant.
34 cl, 1 dwg
FIELD: power and heat supply.
SUBSTANCE: invention relates to self-contained power, heat and hot-water supply systems of dwelling houses and industrial buildings. Proposed system contains wind power generating plant for generating electric power and connected with power consumers; energy accumulator connected with wind power generating plant and power consumers; plant for converting solar energy into heat energy and heat accumulator, both connected with heat energy consumers. System includes heat pump driven by wind power generating plant and connected with heat energy consumers; inverter through which electric energy accumulator is connected with electric energy consumers; sewage water heat recoverer; Earth heat collector and automatic control system connected through heat and electric load transmitters with actuating mechanisms. Plant for converting solar energy into heat energy contains gang of solar collectors connected by heat carrier lines with at least two heat exchangers, one of which is arranged in heat accumulator and the other in heat exchange device connected by heat carrier line with Earth heat collector. Heat pump contains compressor driven by wind power generating plant, at least two extension evaporators and at least two extension condensers. Extension evaporator is built into heat exchange device connected by heat carrier line with Earth heat collector. Extension evaporator is built into sewage heat recoverer. Extension condenser is built into hot-water tank, and second extension condenser is built into heat exchange device connected by heat carrier lines with heat energy consumers.
EFFECT: improved reliability and economy of self contained power and heat supply systems.
10 cl, 5 dwg
FIELD: wind power engineering.
SUBSTANCE: invention can be used for converting energy of air flows into electric energy. Proposed method includes passing of first on-coming air flow between two conversing and diverging aerodynamic surfaces in direction of flow to form zone of reduced pressure and transmitting of second air flow along pipeline from surrounding space into zone of reduced pressure. Converter is installed on way of second air flow. Space is made in zone of reduced pressure in, at least, one of aerodynamic surfaces to provide swirling of second air flow by wall of said space. Swirling of second air flow is formed tangentially in direction of passing of first on-coming air flow. Device contains two plates. Pipeline is designed to transmit second air flow. One end of pipeline is made open and it is connected with surrounding space, and other end is connected to outer surface of one of plates. Converter is installed in pipeline. AT least one of plates is provided with space to swirl second air flow. Space communicates with pipeline. Space is made orthogonally relative to direction of first on-coming air flow tangentially in direction of first on-coming air flow.
EFFECT: improved efficiency of energy conversion.
23 cl, 14 dwg
FIELD: heat power engineering.
SUBSTANCE: invention can be used for heating and hot water supply of different buildings. Proposed wind-heat generator contains water heat accumulator, windmill, bevel gear train (transmission), mechanical heater in form of agitator with movable blades each pair of which is made to centrifugal governor scheme (Watt governor). Wind heat generator is furnished additionally with second bevel gear train (transmission) rotating in opposite direction relative to first bevel gear train, each train being provided with equal number of agitators with movable blades.
EFFECT: increased efficiency of utilization of wind energy in wider range of wind velocities, improved reliability of heat generator and reduced cost of thermal energy.
FIELD: wind power engineering.
SUBSTANCE: invention relates to wind plants for direct conversion of wind energy into thermal energy. Proposed wind thermal plant contains windwheel with rotary blades and friction heat generator with heat exchanger. Novelty is that heat generator is made in form of conical drum with ribbed surface and rotor is provided with friction lining being installed on shaft of windwheel. Pressure of lining onto drum surface depends on wind head. Heat exchanger is provided with air intake. Windwheel is provided with speed and vibration protective device.
EFFECT: simplified design, improved reliability in operation within wide range of wind loads with provision of ventilation of heat rooms.
2 cl;, 4 dwg