20160115940 AIRFLOW GENERATION DEVICE AND WIND POWER GENERATION SYSTEM||US||28.04.2016|
||14881373||KABUSHIKI KAISHA TOSHIBA||Masahiro ASAYAMA|
An airflow generation device disposed on a moving body such as a windmill blade in which a conduction state of an electrode can be sufficiently secured, and the like are provided. An airflow generation device of an embodiment includes a base, a first electrode, and a second electrode, and generates an airflow when a voltage is applied between the first electrode and the second electrode. The base is formed of a dielectric having a flexibility. The first electrode is provided on a front surface side of the base. The second electrode is provided inside the base. Here, the first electrode includes a metal electrode part and an elastomeric electrode part. The metal electrode part is formed of a metal material. The elastomeric electrode part is formed by using an elastomeric material, and has a conductivity. Further, the elastomeric electrode part includes a portion covering the metal electrode part.
20160115939 SYSTEM AND METHOD FOR CONTROLLING BONDING MATERIAL IN A WIND TURBINE BLADE||US||28.04.2016|
||14615450||General Electric Company||Sultan Shair|
A wind turbine blade includes a first shell member including a first mating surface along a first edge of the wind turbine blade. Also, the wind turbine blade includes a second shell member including a second mating surface along the first edge of the wind turbine blade, wherein the second mating surface is opposite to the first mating surface. Further, the wind turbine blade includes a bonding material disposed between the first mating surface and the second mating surface and configured to bond the first mating surface to the second mating surface. Moreover, the wind turbine blade includes a constrainer positioned at a desired bond line and coupled to one of the first mating surface and the second mating surface, wherein the constrainer is configured to restrict the bonding material from migrating into an interior cavity of the wind turbine blade.
20160115937 SUBMERSIBLE POWER PLANT HAVING MULTIPLE TURBINES||US||28.04.2016|
||14894292||MINESTO AB||Patrik PETTERSSON|
A submersible power plant comprises a structure and a vehicle with a wing. The vehicle is arranged to be secured to the structure by ae tether. The vehicle is arranged to move in a predetermined trajectory by a fluid stream passing the wing. The submersible power plant comprises at least a first turbine, a second turbine and a third turbine being arranged to be attached to the wing of the vehicle. The first turbine is connected to a first generator, the second turbine is connected to a second generator, and the third turbine is connected to a third generator. At least one turbine is attached to the vehicle on a top surface of the wing, and at least one turbine is attached to a bottom surface of the wing. The generators are arranged to be able to produce different fluid dynamics pressures exerted on the respective turbines by torque control.
20160115943 OIL DISCHARGING SYSTEM FOR MAIN SHAFT BEARING OF WIND TURBINE GENERATOR||US||28.04.2016|
||14565079||CNR WIND TURBINE CO., LTD.||GUANGWEI LI|
The present invention provides an oil discharging system for a main shaft bearing of a wind turbine generator, including: a main shaft bearing, a bearing seal, a bearing end cover, a waste oil through hole, at least one thumb wheel; the bearing seal is sleeved to an end of the main shaft bearing, the bearing end cover is engaged with the bearing seal to encircle the outside of the bearing seal; the waste oil through hole is provided on the bearing end cover; the at least one thumb wheel is provided on the bearing seal, enables the waste oil been discharged from the waste oil through hole after the thumb wheel acts upon. Since the thumb wheel rotates with the main shaft bearing, so that the waste oil discharge from the waste oil through hole effectively, thus pollutions to the wind turbine generator and surroundings thereof are reduced.
20160115942 SYSTEM AND METHOD FOR MONITORING AND CONTROLLING WIND TURBINES WITHIN A WIND FARM||US||28.04.2016|
||14521661||General Electric Company||William Borea Noto|
In one aspect, a system for monitoring and controlling the operation of wind turbines located within a wind farm may generally include first and second wind turbines. The first wind turbine may include a first turbine controller configured to monitor an operating parameter(s) associated with the first wind turbine and provide a first control interface for controlling the operation of the first wind turbine. The second wind turbine may include a second turbine controller configured to monitor an operating parameter(s) associated with the second wind turbine and provide a second control interface for controlling the operation of the second wind turbine. The system may also include a secondary computing device coupled to the second turbine controller. The second turbine controller may be configured to provide the secondary computing device access to the first control interface in order to allow the operation of the first wind turbine to be controlled.
20160115941 SYSTEM AND METHOD FOR ADAPTIVE ROTOR IMBALANCE CONTROL||US||28.04.2016|
||14524229||General Electric Company||Monika Marwaha|
A control system for a wind turbine includes a detecting system configured to determine at least one of a rotor load, a wind shear, a wind speed, and a load imbalance due to wind shear. An adjusting system is configured to adjust a shaft moment set point correction value based on at least one of the rotor load, the wind shear, the wind speed, and the load imbalance. A compensating system is configured to compute a shaft moment correction command based on the shaft moment set point correction value output from the adjusting system. A pitch system is configured to adjust a pitch of at least one blade of the wind turbine based on the shaft moment set point correction command, or a yaw system is configured to adjust the yaw position of a rotor based on the shaft moment set point correction command.
20160118786 METHODS FOR OPERATING WIND TURBINE SYSTEM HAVING DYNAMIC BRAKE||US||28.04.2016|
||14892077||General Electric Company||Huibin Zhu|
Methods for operating a wind turbine system are provided. In one embodiment, a method includes adjusting a threshold direct current (DC) bus voltage for a dynamic brake in a wind turbine power converter above a reference DC bus voltage based on at least one system condition. The method further includes gating the dynamic brake on when an experienced DC bus voltage is equal to or greater than the threshold DC bus voltage, and inputting a dynamic brake condition into a controller when the dynamic brake is gated on. The method further includes determining if a grid fault has occurred, reducing power generation of the wind turbine if no grid fault has occurred, and blocking the power converter if a grid fault has occurred. The method further includes gating the dynamic brake off when the experienced DC bus voltage is less than the threshold DC bus voltage.
WO/2016/062139 SINGLE-FRAME TYPE IMPELLER OF WIND TURBINE||WO||28.04.2016|
||PCT/CN2015/084917||ZHANG, Xiaoxin ||ZHANG, Xiaoxin |
A single-frame type impeller of a wind turbine
relating to the technical field of wind
power generation equipment comprises a wind
wheel frame (1), a vane adjusting device, a supporting seat (6) and diagonal supporting rods (4). The vane adjusting device and the supporting seat (6) are connected with each other and assembled to the front end of the turbine
(7) spindle. The wind
wheel frame (1) is connected with the supporting seat (6) via the diagonal supporting rods (4). Vanes (2) around the vane adjusting device are assembled to the wind
wheel frame (1) via shafts. The vane adjusting device is provided with a closed adjusting chamber (5). A gear type or connecting rod type adjusting mechanism is assembled in the adjusting chamber (5). By changing the connecting manner of vanes and increasing the number of the vanes, the utilization efficiency of the wind
energy is improved, the output power of the wind turbine
is increased, the volume, height and weight of the wind turbine
are reduced, and the wind turbine
is reasonable in structure and convenient for daily maintenance and overhauling.
WO/2016/063210 METHOD FOR TRANSPORTING A STRUCTURE WITH BUOYANCY OVER WATER USING A VESSEL, AND VESSEL APPLIED IN THE METHOD||WO||28.04.2016|
||PCT/IB2015/058062||GEOSEA N.V. ||MAGRO YUDEGO, Javier |
Described is a method for transporting a structure with buoyancy, such as for instance a floating foundation (70) of a wind turbine
(7), over water using a vessel (1). In the method a support surface (40,41) of the structure is brought into contact with a higher support surface of the vessel, and the two support surfaces are coupled by shear forces. In a situation in which it is coupled to the vessel (1) the structure is transported by movement of the vessel. Using the invented method a structure with buoyancy can be transported and installed on an underwater bottom in efficient manner.
WO/2016/064287 ROTOR OF A WIND TURBINE WITH A VERTICAL AXLE OF ROTATION||WO||28.04.2016|
||PCT/PL2015/050055||ŁAZUR,, Zbigniew ||ŁAZUR,, Zbigniew |
Rotor of a wind turbine
with a vertical axle of rotation, comprising a power takeoff shaft with evenly distributed along its circumference and perpendicular thereto sets of arms, in which ends there are arranged rotatably wings, characterized in that, it comprises an eccentric (3) which is rotatably mounted in relation to the axle of the power takeoff shaft (1) and slidably in relation to said rotor in a plane perpendicular to said power takeoff shaft and the wing (4) consists of at least two segments (4a) and (4b) connected in series and rotatably in the relation to the previous segment where said segments form in the transverse plane an aerodynamic profile with variable geometry and profiles of the segments symmetrical in that plane. The first segment (4a) has a leading edge and the last is terminated with a trailing edge, wherein the first segment (4a) of the wing has mounted therein a permanent connector (5) joining the first segment (4a) with a rotor's arm (2a) by a first pin (6a) passing through the first opening (5a) of the connector (5) and an opening in the rotor's arm (2) and with the eccentric (3) through an adjustable main linkage (7) mounted rotatably on the eccentric (3), and from the other side in the second opening (5b) of the connector (5) with placed into it second pin (6b). The segments, starting from the second (4b) are rotatably mounted at the ends of the preceding segment (4a) by a hinge joint, wherein said segments have secondary linkage (8) connecting them directly and/or indirectly with the eccentric (3) and the sets of arms (2) are arranged in one or more planes.