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534
resultados
Última actualización
21/11/2024 [07:15:00]
Resumen de: DE102023204709A1
Die Anmeldung betrifft ein Verfahren zum Vorbereiten einer Reparatur einer Schadstelle (32) an einer lasttragenden Struktur eines Rotorblatts (2') einer Windenergieanlage (1), wobei das Verfahren umfasst: Bestimmen einer ersten Rotorblattstellung, die eine einzelne Stellposition oder ein Stellbereich sein kann, derart, dass eine erste mechanische Belastung der lasttragenden Struktur in der ersten Rotorblattstellung geringer ist als eine zweite mechanische Belastung der lasttragenden Struktur in einer zweiten Rotorblattstellung und/oder dass ein erster mechanischer Widerstand der lasttragenden Struktur und/oder der nicht-lasttragenden Struktur in der ersten Rotorblattstellung höher ist als ein zweiter mechanischer Widerstand der lasttragenden Struktur und/oder einer nicht-lasttragenden Struktur in der zweiten Rotorblattstellung (S3), Bestimmen, ob die erste mechanische Belastung und/oder der erste mechanische Widerstand einer ersten Bedingung genügt, gemäß der das Rotorblatt (2') während der Reparatur betriebsbereit mit der Windenergieanlage (1) verbunden bleiben kann (E1). Die Anmeldung betrifft ferner eine Stützstruktur, ein Rotorblattsystem und ein Reparaturverfahren.
Resumen de: DE102023002022A1
Windkraftanlage zur Energiegewinnung und zur Luftreinigung✓ gemäß Ausführungsbeispiel 1, groß- mittel- und kleinformatig konzipiert, mit Luftpumpsystem mit mehrfachem Luftkompressionssystem und versetzter Luftkompression, mehrfachem Propellersystem mit Zusatzmodus Außenbetrieb, Luftstromregulationssystem und Vorrichtung zur Luftreinigung.
Resumen de: EP4464889A2
Die vorliegende Offenbarung betrifft ein Rotorblatt (200) einer Windenergieanlage (100), wenigstens umfassend eine erste Rotorblattkomponente (210) mit: einem ersten Ende (212) zum Anordnen an der Windenergieanlage (100), und einem zweiten Ende (214) zum Verbinden mit einer zweiten Rotorblattkomponente (220); eine zweite Rotorblattkomponente (220) mit: einem ersten Ende (222) zum Anordnen an der ersten Rotorblattkomponente (210), und einem zweiten Ende (224) wobei die erste Rotorblattkomponente (210) mit der zweiten Rotorblattkomponente (220) an einer Trennstelle (230) zu dem Rotorblatt (210, 220) verbindbar ist, wobei das Rotorblatt (210, 220) an der Trennstelle (230) ein aerodynamisch offenes Profil (P) aufweist.
Resumen de: GB2630209A
Provided is a floating structure, wherein the floating structure comprises a plurality of floating bodies, an upper connecting member for connecting upperparts of the plurality floating bodies, and a lower connecting member for connecting lower parts of the plurality of floating bodies, the floating bodies each have: a support plate, a support column, one axial end part of which is fixed to the support plate; and a hollow member, one axial end part of which is fixed to the support plate on the periphery of the support column, an end part of the upper connecting member is connected to the other axial end part of the support column, and an end part of the lower connecting member is connected to the support plate.
Resumen de: EP4464890A1
Der erstellte Algorithmus des Mikroprozessors steuert die Rotorblätter einer vertikalen Windkraftanlage, wodurch die Rotorblätter die effizienteste Position in Bezug auf die entgegenkommende Windströmung in der Erzeugungszone einnehmen, oder die Position des minimalen Strömungswiderstands in der Zone einnehmen der Rückwärtsbewegung der Rotorblätter.Bei Starkwind und Leerlauf des Hauptgenerators, werden die Rotorblätter entlang der Windströmung ausgerichtet, um einen minimalen Strömungswiderstand zu erzeugen, und dementsprechend wird eine minimale Windlast auf die Anlage erzeugt.Im Prozess der Erzeugung macht das Rotorblatt einen vollen Kreis um die eigene Achse. Der Positionswinkel in Bezug auf die Strömung wird bestimmt durch den Mikroprozessor basierend auf: Daten der Geschwindigkeit und der Richtung der Strömung, Daten über den Betrieb des Hauptgenerators, Notfallsituationen, Drehmoment an der Generatorwelle, Vibrationsdaten der Anlage und anderen Telemetrieparameter der gesamten Anlage.
Resumen de: EP4464696A1
The present disclosure relates to a recyclable epoxy compound containing an α,β-unsaturated ketone group and/or a hydroxy ketone group bonded through an aldol reaction between a ketone group and an aldehyde group containing a hydroxyl group among non-toxic natural materials, without using a bisphenol A type epoxy, a toxic material. In addition, the present disclosure relates to a method of preparing the same compound, an epoxy composite material containing the same compound, and a method of degrading the same composite material.
Resumen de: EP4464892A1
Disclosed in the present invention is a lightning protection apparatus for a wind generator blade, including a lightning arrester and a lightning arrester base. The lightning arrester includes a connecting portion, a lightning arresting portion, and a positioning portion, where the lightning arresting portion is configured to arrest a lightning, an external thread is formed on a surface of the connecting portion and configured to be connected to the lightning arrester base, and the positioning portion is disposed between the connecting portion and the lightning arresting portion, such that after the connecting portion is screwed into a threaded hole, the positioning portion can fit with a recess in the threaded hole in shape. The lightning arrester base is configured to be connected to the lightning arrester and lead out a lightning current received by the lightning arrester during lightning arresting, and includes an insulation layer and at least one threaded hole, where the insulation layer is disposed on a surface of the lightning arrester base, the at least one threaded hole is formed on a base surface of the lightning arrester base facing a wind generator blade, a length direction of the threaded hole is perpendicular to the base surface, the threaded hole fits with the external thread, and the recess that can fit with the positioning portion in shape is provided at an end part of the threaded hole close to the base surface.
Resumen de: GB2630147A
A supporting pillar 1 for a wind power plant comprises an elongated body 5, a centre structure 10 with a protective layer 20 for environmental protection. The centre structure comprises a biological derived fibrous composition, and the protective layer comprises at least one rigid sheet 22 that is prestressed and attached to an outer surface(s) of the structure. The rigid sheet may comprise aluminium alloy, glass-fibre reinforced plastic, thermoplastic or stainless steel and may be attached to the centre structure by means of a glue or bolted joint. The biological derived fibrous composition may be wooden material (preferably glued laminated spruce), bamboo, straw, cotton, reed, hemp, or flax. The protective layer may comprise two or more rigid sheets joined by friction stir welding. Preferably the rigid sheet is wrapped in a spiral onto the centre structure. The support structure may comprise elongated truss assemblies (50, Fig 3b), each comprising a hollow inner (60, Fig 3b) between the outer surface and the inner surface, and support beam(s) (62, Fig 3b) extend between the outer surface and the inner surface. The body segments may be attached by tongue and groove joints (52, Fig 2b). A method of manufacture is also claimed.
Resumen de: GB2630058A
A wind turbine 10 having a number of blades 14 carried by a hub 16, the hub being rotatably mounted to a tower 20, the hub being connected to a drive shaft 30; a first reservoir 32 and a second reservoir 34 for a working liquid, the working liquid in the second reservoir being above the working liquid in the first reservoir; the drive shaft being connected to at least one positive displacement pump 38, the pump having an inlet 44 and an outlet 46, the inlet being in communication with the first reservoir, the outlet having a two-way valve, the two-way valve being changeable between a first condition in which the outlet is in communication with the first reservoir and a second condition in which the outlet is in communication with the second reservoir; a turbine 70 with an inlet 68 in communication with the second reservoir and an outlet 72 in communication with the first reservoir, the turbine having an output shaft; and an electrical generator having a rotor connected to the output shaft.
Resumen de: EP4464891A1
A method of monitoring an operation of a wind turbine is provided. The wind turbine (100) is an upgraded wind turbine that comprises at least one performance enhancing upgrade (90) that increases the energy production of the wind turbine (100) compared to the wind turbine without the performance enhancing upgrade (90). The method monitors an additional active power output (dP) of the upgraded wind turbine (100) that is caused by the performance enhancing upgrade (90), wherein the monitoring compares an active power output (P<sub>meas</sub>) of the upgraded wind turbine (100) to an estimated active power output (P<sub>est</sub>) of a reference wind turbine that corresponds to the upgraded wind turbine without the at least one performance enhancing upgrade (90).
Resumen de: WO2023169830A1
The invention describes a rotor plane monitoring system (1) of a wind turbine (2), comprising a single receiver unit (10) configured to decode positioning signals (10in) originating from a satellite navigation system; an antenna assembly configured to detect radio-frequency signals at a plurality of distinct detection nodes (N1, …, Nn) on the wind turbine (2) and to relay detected signals (10in) to the receiver unit (10); a signal processing module (13) configured to compute a direction vector (V12,..., V45; V54,..., V21) from the signals (10in) relayed to the receiver unit (10); and an evaluation module (14) configured to determine the rotor plane orientation from the direction vector (V12,..., V45; V54,..., V21). The invention further describes a wind turbine (2) comprising such a rotor plane monitoring system (1); and a method of monitoring the orientation of a wind turbine rotor plane.
Resumen de: TW202348397A
The invention describes a method of manufacturing a wind turbine rotor blade (4), which method comprises at least the steps of providing a rotor blade mould (1) comprising a lower mould (11) and a segmented upper mould (12), the segmented upper mould (12) comprising a root end mould section (120) and a number of airfoil mould sections (121, 122); and arranging a composite material layup (2) in the lower mould (11). The inventive method comprises further steps of arranging the upper mould (12) over the composite layup (11) by: placing the root end mould section (120) at the position of an airfoil mould section (121); moving the root end mould section (120) in a longitudinal direction (Dz) to its intended position at the root end (20) of the composite layup (2); and placing the airfoil mould sections (121, 122) in their positions on the composite layup (2).
Resumen de: WO2023135167A1
Crane (10), in particular an offshore leg encircling crane for use on a jack up-vessel (1). The crane comprises a revolving superstructure (11) with a crane housing (13) to which a boom (20) is connected. The crane further comprises a hoisting system and a luffing device for pivoting a boom up to an upright position and down. The luffing device comprises first left-hand and right-hand luffing cable sheave sets (45; 46) provided at opposite sides at a top of a luffing frame structure (18c), and second left-hand and right-hand luffing cable sheave sets provided at opposite sides of a head structure of the boom. A variable length luffing system (41) extends from the luffing winch (40) via the first left-hand and right-hand luffing cable sheave sets to extend in a luffing direction to the second left-hand and right-hand luffing cable sheave sets.
Resumen de: AU2022433835A1
The invention concerns a hull structure (10, 20, 30, 40, 50, 51) for a semi-submersible wind power turbine platform (100), wherein the hull structure (10) comprises: first, second and third buoyant stabilizing columns (1, 2, 3) extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures (11, 12, 13) extending in a substantially horizontal direction; wherein the hull structure (10) has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures (11, 12, 13) forming sides of the triangle; wherein the pontoon structures (11-13) extend between and connects to the columns (1- 3) at lower parts thereof (1c, 2c, 3c); and wherein the third pontoon structure (13) is arranged so that an upper side (13a) of the third pontoon structure is located at a lower level in the horizontal direction than an upper side (11a, 12a) of each of the first and second pontoon structures (11, 12). The invention also concerns a method for loading a set of hull structures of the above type onto a semi-submersible cargo carrying marine vessel, and to a marine vessel carrying a set of hull structures of the above type.
Resumen de: AU2022433835A1
The invention concerns a hull structure (10, 20, 30, 40, 50, 51) for a semi-submersible wind power turbine platform (100), wherein the hull structure (10) comprises: first, second and third buoyant stabilizing columns (1, 2, 3) extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures (11, 12, 13) extending in a substantially horizontal direction; wherein the hull structure (10) has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures (11, 12, 13) forming sides of the triangle; wherein the pontoon structures (11-13) extend between and connects to the columns (1- 3) at lower parts thereof (1c, 2c, 3c); and wherein the third pontoon structure (13) is arranged so that an upper side (13a) of the third pontoon structure is located at a lower level in the horizontal direction than an upper side (11a, 12a) of each of the first and second pontoon structures (11, 12). The invention also concerns a method for loading a set of hull structures of the above type onto a semi-submersible cargo carrying marine vessel, and to a marine vessel carrying a set of hull structures of the above type.
Resumen de: AU2022433835A1
The invention concerns a hull structure (10, 20, 30, 40, 50, 51) for a semi-submersible wind power turbine platform (100), wherein the hull structure (10) comprises: first, second and third buoyant stabilizing columns (1, 2, 3) extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures (11, 12, 13) extending in a substantially horizontal direction; wherein the hull structure (10) has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures (11, 12, 13) forming sides of the triangle; wherein the pontoon structures (11-13) extend between and connects to the columns (1- 3) at lower parts thereof (1c, 2c, 3c); and wherein the third pontoon structure (13) is arranged so that an upper side (13a) of the third pontoon structure is located at a lower level in the horizontal direction than an upper side (11a, 12a) of each of the first and second pontoon structures (11, 12). The invention also concerns a method for loading a set of hull structures of the above type onto a semi-submersible cargo carrying marine vessel, and to a marine vessel carrying a set of hull structures of the above type.
Resumen de: CN118541542A
A method and an apparatus for pitch control of a blade of a wind turbine (1) are described. The wind turbine (1) is configured to jointly pitch all the blades (6) at a common pitch angle and to individually pitch each blade (6) at an individual pitch angle. If it is determined that at least one blade (6) cannot reach its individual pitch reference, the individual pitch reference of this blade (6) is prioritized over the common pitch reference.
Resumen de: AU2022433835A1
The invention concerns a hull structure (10, 20, 30, 40, 50, 51) for a semi-submersible wind power turbine platform (100), wherein the hull structure (10) comprises: first, second and third buoyant stabilizing columns (1, 2, 3) extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures (11, 12, 13) extending in a substantially horizontal direction; wherein the hull structure (10) has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures (11, 12, 13) forming sides of the triangle; wherein the pontoon structures (11-13) extend between and connects to the columns (1- 3) at lower parts thereof (1c, 2c, 3c); and wherein the third pontoon structure (13) is arranged so that an upper side (13a) of the third pontoon structure is located at a lower level in the horizontal direction than an upper side (11a, 12a) of each of the first and second pontoon structures (11, 12). The invention also concerns a method for loading a set of hull structures of the above type onto a semi-submersible cargo carrying marine vessel, and to a marine vessel carrying a set of hull structures of the above type.
Resumen de: AU2022433835A1
The invention concerns a hull structure (10, 20, 30, 40, 50, 51) for a semi-submersible wind power turbine platform (100), wherein the hull structure (10) comprises: first, second and third buoyant stabilizing columns (1, 2, 3) extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures (11, 12, 13) extending in a substantially horizontal direction; wherein the hull structure (10) has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures (11, 12, 13) forming sides of the triangle; wherein the pontoon structures (11-13) extend between and connects to the columns (1- 3) at lower parts thereof (1c, 2c, 3c); and wherein the third pontoon structure (13) is arranged so that an upper side (13a) of the third pontoon structure is located at a lower level in the horizontal direction than an upper side (11a, 12a) of each of the first and second pontoon structures (11, 12). The invention also concerns a method for loading a set of hull structures of the above type onto a semi-submersible cargo carrying marine vessel, and to a marine vessel carrying a set of hull structures of the above type.
Resumen de: EP4464888A1
Die Erfindung betrifft ein segmentiertes Rotorblatt für Windkraftanlagen mit mindestens zwei Blattsegmenten, die sich in entgegengesetzter Richtung von einer Fügestelle aus in eine Längsrichtung erstrecken, wobei jedes Blattsegment mindestens ein innenliegendes Holmelement aufweist, das ein Strukturelement des Rotorblattes bildet, dadurch gekennzeichnet, dassa) das erste Holmelement des ersten Blattsegmentes und das zweite Holmelement des zweiten Blattsegmentes an der Fügestelle mit ihren Stirnseiten mittels einer Verbindungsanordnung aneinandergefügt sind,b) wobei die Verbindungsanordnung eine Mehrzahl von Verbindungsgarnituren aufweist, die jeweils die Holmelemente miteinander verbinden,c) wobei jede Verbindungsgarnitur einen ersten Querbolzen, einen zweiten Querbolzen und wenigstens eine Verbindungslasche umfasst, die an ihren Enden eine erste Laschenöffnung und eine zweite Laschenöffnung aufweist,d) wobei bei jeder Verbindungsgarnitur der erste Querbolzen quer zur Längsrichtung des Rotorblattes durch eine Holmöffnung im ersten Holmelement sowie die erste Laschenöffnung der Verbindungslasche und der zweite Querbolzen quer zur Längsrichtung des Rotorblattes durch eine Holmöffnung im zweiten Holmelement sowie die zweite Laschenöffnung der Verbindungslasche geführt ist, sodass die Verbindungslasche die Holmelemente miteinander verbindet, unde) wobei wenigstens der erste Querbolzen einer ersten Verbindungsgarnitur und der zweiten Querbolzen einer der ersten Verbi
Resumen de: CN118979849A
本发明提出了一种矿粉生产尾气重复利用系统，包括主排风机排放风管、发电风管、发电排放风管和主排烟囱，所述发电风管上至少安装有一台风力发电机组。本发明将主排风机排放风管排出的具有一定风量、风速、风压的尾气通入发电风管，利用发电风管上安装的多台风力发电机组将尾气携带的风能转化为电能，电能重新返回至低压供电系统，用于矿粉生产低压设备供电，不仅降低生产所需电能和加工成本，同时也降低了生产碳排放，不仅实现了尾气的能量回收再利用，也解决了排放所造成空气污染难题。
Resumen de: CN222023903U
本实用新型公开了一种海上超大型风机塔筒溜尾翻身工装,其包括包括设置于塔筒两端的吊盘，吊盘设置有若干连接孔，且若干连接孔与塔筒端部法兰的若干螺栓孔适配，吊盘和塔筒通过螺栓和螺母固定；吊盘设置有吊具，吊具用于连接吊机的吊绳，塔筒两端通过吊机的吊绳连接于吊机上。本申请具有减少塔筒吊装过程中发生磕碰的情况的效果。
Resumen de: CN118979535A
本发明公开了一种基于风光耦合发电的多模态仿生凝结水收集装置，包括发电装置和冷凝取水系统，冷凝取水系统包括预冷构件和冷凝集水构件，其中预冷构件用于对外界热空气进行初步冷却并且将其导向冷凝集水构件，冷凝集水构件包括集水构件和填充在集水构件内部的冷凝介质，集水构件的外部设置有集水结构，集水结构在冷凝介质的作用下将经过初步冷却的空气凝结为凝结水以被收集利用；在发电装置上，本发明使用菲涅尔透镜与圆周抛面结构相结合的聚光技术提高光能发电效率，使用新型叶片结构提高风能发电效率。本发明装置相较于现有的取水装置集水效率高、成本低，能够满足干旱地区的居民用水需求，同时也能有助于缓解全球水资源缺乏的状况。
Resumen de: CN118980119A
本发明涉及热泵技术领域，公开了一种耦合供热的风电热泵系统，包括：垂直轴发电机，垂直轴发电机通过风能转换成电能输出端连接有储能柜进行电能存储和管理，储能柜输出端连接有热泵主机，热泵主机的输出端连接有室内供暖设备，热泵主机的进风口中设置有进风网板，热泵主机的上方中心位置设置有出风口，出风口的外部设置有风口防护罩，风口防护罩上设置有罩骨，罩骨的中心位置固定设置有动力组件；本发明出风口排出的空气减少，涡轮扇叶转速减少，在抖动和大量进气的吸力下，把进风网板上堵塞的灰尘或杨絮抖落，有利于在不停机的状态下自动对进风网板进行维护，有利于减少空气进入量少造成的高负荷运行和不良的换热效果。
Nº publicación: CN118980523A 19/11/2024
Solicitante:
长江三峡集团实业发展（北京）有限公司中国长江三峡集团有限公司
Resumen de: CN118980523A
本发明涉及风力发电设备检测技术领域，公开了一种风电机组轴承故障源定位方法、装置、设备及介质，该方法包括：从风电机组的状态监控系统的监测数据中提取出风电机组轴承的振动信号；对振动信号进行时域分析，得到振动信号对应的有量纲特征参数；若有量纲特征参数超出预设阈值范围，则对振动信号进行频域分析，提取出轴承故障特征频率；根据轴承故障特征频率以及根据轴承结构参数预先计算出的轴承各部件故障频率，对故障源进行定位，本发明通过从风电机组的状态监控系统的监测数据中提取出风电机组轴承的振动信号，对轴承的振动信号进行时域分析和频域分析，提取出轴承故障特征频率，以实现故障源定位，提高定位效率，便于工作人员及时维修。
BOPI
Sede Electrónica
