Patent EA-003784-B1 (EA)
Title: Wind energetic unit (weu) and wind power station (wps)
IPC: F03D3/04
Filed: 2002-06-05
Abstract: 1. Wind energetic unit (WEU), including one or several cylindrical blocks installed in succession and concentrically on a vertical line, each of which comprises a stator with concave-convex plates and rotor with concave-convex blades, connected with the common for all blocks vertical shaft, the bottom end of which is connected to a rotor of the generator wherein in all blocks the rotors have a constant outside diameter, the ratio of outside diameters of stator and rotor is within the limits of 1.2 - 4.0, the number of blocks in the unit is 1-50 depending on the height of one block and wind conditions, and between the blocks in WEU there are gaps supplied with ring conic shields. 2. WEU as set forth in claim 1 wherein the rotors of all blocks comprise identical number of blades "Kr, determined by the formula: , where Dr - outside diameter of a rotor, D2 - diameter of a rotor along the internal ends of the blades, radial length of the rotor blade "l" is equal to distance between the blades, measured along the circle of middles of the rotor blades with a diameter and is determined by the formula with an accuracy of +-50 %, and the ratio of the outside diameter of the rotor and diameter of the internal ends of plates is = 1.05 + 3.5. 3. WEU as set forth in claim 2 wherein number of the stator plates "Ks" and the number of the rotor "KR" are connected by a ratio , and the cross sizes of the stator are determined by a ratio = 1.2 - 4, where Dbs - diameter of the stator along the outside ends of plates, Dint - diameter of the stator along the internal ends of plates. 4. WEU as set forth in claim 3 wherein the blocks are supplied with blowers, made in the form of additional concave-convex plates fixed on the outside ends of the stator plates. 5. WEU as set forth in claim 4 wherein each stator plate is attached by one plate of the blower, having a bend corresponding to the bend of the stator plate. 6. WEU as set forth in claim 5 wherein the stator comprises, at least, two complex units of connection with the blower, in which two plates of the blower are connected to one plate of the stator, having different radiuses of curvature and/or different directions of convexities, and the planes conducted through the plates of the blower in complex conjunctive units divide the block WEU to sectors taking in the wind load, with the formation between the mentioned planes of the sector aperture angles, where the sector aperture angles depend on a real wind rose and constitute for an one-vector wind rose the come to 180+210 degree , for two-vector - 150 - 170 degree , for three-vector - 60 - 140 degree individually for each sector of the block. 7. WEU as set forth in claims 1-6 wherein on it there is a multi-pole multi-operation gated direct current generator with voltage of 12-1000 V with the system of automatic control of excitation, for ensuring a constant voltage at change of wind power and possibility of using energy of short gusts, storms and hurricanes, and with system of analysis of state of electrical circuits protection, supplied with a protective output relay. 8. WEU as set forth in claim 7 wherein the generator is supplied with a mechanical brake of a rotor containing a brake disk, installed above the top cover of the generator fixed on the rotor and at the same time executing functions of a canopy for the generator, where the brake is supplied with a trigger actuated from the electric drive or manually. 9. WEU as set forth in claims 7 and 8 wherein it has control unit of the mode of operation of the generator including regulator of output capacity of the generator for ensuring nominal frequency of rotation of a rotor within the range of nnom = (0.3-0.7) nxx, where nxx - frequency of rotation of a rotor in idling running at the velocity of the wind in real conditions. 10. WEU as set forth in claim 9 wherein in the top part of blocks of WEU there have been installed vanes with the electromagnetic gauge of a vector of velocity of the wind and electrical anemometers for ensuring, together with the control unit of the generator operation conditions, long-term registration of wind activity and of the electric power generated. 11. WEU as set forth in claims 7-10 wherein it is supplied with an analyzer of loading the generator for regulating the number of porting consumers, or switching on a ballast load when it is impossible to connect consumers. 12. WEU as set forth in claims 7-11 wherein it has tachometer generator, connected with the rotor of the generator and relay of switching on - switching off the excitation of the generator, powered from the tachometer generator or from the residual voltage of the generator, for switching on the excitation of the generator at power bearing velocities of the wind. 13. WEU as set forth in claims 1-12 wherein it is installed on piles or on a platform. 14. WEU as set forth in claims 1-12 wherein it is installed on a raft in a reservoir. 15. Wind-power station (WPS), including several WEU wherein WEU as set forth in claims 1 -14 are used. 16. WPS as set forth in claim 15 wherein wind units (WEU) being included in WPS are connected with the neighboring WEU by rigid bundles for raising their stability, WEU are installed on supporting trestles, above which there have been placed their wind-mechanical parts from blocks with stators and rotors, and under the supporting trestles a machine hall is placed. 17. WPS as set forth in claim 16 wherein they are located in one or two lines with a distance between the units in a line at a distance (0.6-10) Dso, where Dso - outside diameter of the stator along the plates of the blower, depending on fluctuation of the direction and velocity of the wind, and the distance between the lines (0.8-10) Ds.n, where the, units of the second line are located in points corresponding to the middles of distances between the units of the first line. 18. WPS as set forth in claim 17 wherein WEU are located in groups along the closed contour in the amount of 3 or 5 or 7 groups being set at distances causing recovering the velocity of the wind flow passing through the groups ahead at the number of units 3, 5 or 7 in a group arranged in a staggered rows in accordance with a real rose of winds.