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Resultados 437 resultados LastUpdate Última actualización 14/05/2021 [21:32:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days



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ELECTRIC MOTOR AND WIND POWER GENERATION UNIT

NºPublicación: EP3819497A1 12/05/2021

Solicitante:

XINJIANG GOLDWIND SCIENCE & TECH CO LTD [CN]

US_2020373812_A1

Resumen de: EP3819497A1

The disclosure relates to a generator and a wind turbine. The generator includes an active cooling loop and a passive cooling loop that are isolated from each other and both are in communication with external environment. The active cooling loop includes cavities that are in communication with each other and located at two respective ends of the generator in an axial direction, an air gap between a rotor and a stator of the generator, and radial channels arranged at intervals and distributed along the axial direction of the stator. A cooling device in communication with the external environment is disposed in the active cooling loop. The passive cooling loop includes an axial channel extending through the stator in the axial direction and an outer surface of the generator. The disclosure provides compensation for insufficient cooling capacity of the passive cooling loop within a limited space, alleviates the burden of the active cooling loop and reduces the operating power and self-consumed power of the cooling device, thereby reducing the volume and weight of the cooling device and improving the power generation efficiency of the wind turbine.

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Motion compensated transfer system, vessel and use thereof

NºPublicación: EP3817973A1 12/05/2021

Solicitante:

SAFEWAY B V [NL]

WO_2020009570_PA

Resumen de: NL2021225B1

The disclosure relates to a motion compensated transfer system for transferring persons and/or cargo from a vessel to an offshore object or vice versa. The system comprises a tower provided with an external lifting unit carrying a platform that together with the lifting unit is adjustable in height along at least a part of said tower. The tower is provided with a lift and/or staircase housed in a shaft extending in said tower, which lift and/or staircase is for enabling one or more persons and/or cargo to travel towards the platform and/or for enabling to bring one or more persons and/or cargo down from said platform. The system comprises a motion compensated boom arranged to extend, during use of the system, from the tower in a substantially sideward direction to enable transferring persons and/or cargo along said boom. The boom is attached to a boom support unit rotatably carried by the lifting unit such as to be rotatable with respect to said lifting unit about a central axis of the tower.

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MULTI-ROTOR WIND TURBINE OSCILLATION DAMPING

NºPublicación: EP3818262A1 12/05/2021

Solicitante:

VESTAS WIND SYS AS [DK]

CN_112352097_A

Resumen de: WO2020007431A1

A method of damping oscillations in a multi-rotor wind turbine and a wind turbine are provided. The wind turbine comprises a wind turbine support structure and at least a first nacelle with a first rotor and a second nacelle with a second rotor, at least one of the nacelles being located at a position away from a central longitudinal axis of the wind turbine support structure. The method comprises the steps of receiving and processing motion data, selecting a damping algorithm and generating a pitch control signal. The processing comprises determining at least one prominent oscillation mode of the wind turbine support structure and selecting a corresponding damping algorithm.

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METHOD FOR CONTROLLING A WIND FARM

NºPublicación: EP3818609A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112368899_A

Resumen de: WO2020008034A1

The invention relates to a method for controlling a wind energy system (304), namely a wind turbine (100) or a wind farm comprising a plurality of wind turbines, for feeding electrical power from wind into an electrical supply grid (302), and for damping low-frequency oscillations, in particular subsynchronous resonances, in the electrical supply grid (302). The electrical supply grid (302) has a grid voltage having a nominal grid frequency. A damping controller having a closed control circuit (300) is used to damp the low-frequency oscillations. In order to damp the low-frequency oscillations, the damping controller controls the feeding of electrical power into the electrical supply grid (302) using a wind system controller (306). The damping controller is designed for a controlled system. The controlled system comprises the electrical supply grid (302) or a part thereof, the wind energy system (304) or a part thereof, and the wind system controller (306) or a part thereof. The damping controller is designed in such a way that the damping controller avoids weakly damped modes in the closed control circuit (300) and/or damps weakly damped modes of the controlled system in the closed control circuit (300).

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WIND ENERGY SYSTEM AND METHOD FOR IDENTIFYING LOW-FREQUENCY OSCILLATIONS IN AN ELECTRICAL SUPPLY NETWORK

NºPublicación: EP3818384A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112384813_A

Resumen de: WO2020008036A1

The invention relates to a method for identifying low-frequency oscillations, in particular subsynchronous resonances, in an electrical supply network (510), wherein the electrical supply network (510) has a network voltage with a nominal network frequency, comprising the following steps: detecting at least one electrical signal of the electrical supply network (510) as at least one test signal and filtering and/or transforming the at least one detected test signal into at least one analysis signal, deriving the at least one analysis signal with respect to time or calculating the difference between temporally spaced values of the analysis signal, in order to obtain a gradient signal in each case, identifying the presence of a low-frequency oscillation if the gradient signal or at least one of the gradient signals satisfies a predefined analysis criterion, in particular that at least one predefined analysis limit is exceeded.

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METHOD FOR FEEDING ELECTRICAL POWER INTO AN ELECTRICAL SUPPLY NETWORK

NºPublicación: EP3818614A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112368903_A

Resumen de: WO2020008033A1

The invention relates to a method for feeding electrical power (PWEA) into an electrical supply network by means of at least one wind turbine (100) having a power controller (150) and a generator, the method comprising the steps: creating an electrical power gradient (dPA_elek/dt) for an electrical power (PA_elek) to be generated by the wind turbine (100), wherein the power gradient (dPA_elek/dt) at least: is limited by means of a stabilisation operator (V) or is created by means of a prediction operator (P) such that the electrical power gradient (dPA_elek/dt) is unequal to a predicted wind power gradient (dPW/dt); setting the created electrical power gradient (dPA_elek/dt) in the power controller (180) of the wind turbine (100); generating an electrical power (PA_elek) by means of the wind turbine (100) on the basis of the created electrical power gradient (dPA_elek/dt) for a feed-in period ([tE1; tE2]) with a feed-in time (ΔtE).

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DEVICE FOR ADJUSTING THE ANGLE OF ATTACK OF A ROTOR BLADE OF A WIND TURBINE

NºPublicación: EP3818263A1 12/05/2021

Solicitante:

VENSYS ENERGY AG [DE]

CN_112352098_A

Resumen de: WO2020007391A1

The invention relates to a device for adjusting the angle of attack of a rotor blade of a wind turbine having a horizontal rotor axis of rotation, comprising a flexible clad drive train (2, 2') that can be moved by a driving wheel (4, 4'), wherein the rotor blade can be rotated in opposite directions about the longitudinal axis (3) thereof by said drive train, wherein the clad drive train (2,2') bears on a rotary bearing region (1) forming an end piece of the rotor blade and is at least tangentially fixed to the periphery of the rotary bearing ring (1) at at least one connecting point. According to the invention, the clad drive train bears on the drive wheel (4, 4') with a side facing away from the rotary bearing ring (1).

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METHOD FOR DETECTING LOW-FREQUENCY OSCILLATIONS AND DETECTION DEVICE FOR SAME

NºPublicación: EP3818613A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112385109_A

Resumen de: WO2020007970A1

The invention relates to a method for detecting low-frequency oscillations, more particularly subsynchronous resonances, in an electrical supply network (306), wherein the electrical supply network (306) has a mains voltage with a rated network frequency, which method comprises the steps of: detecting at least one electrical signal of the electrical supply network (306) and evaluating the electrical signal by means of a wavelet analysis in which a time-dependent frequency pattern (420) is created by way of a correlation analysis of the detected signal with a predetermined wavelet mother function (502), wherein the presence of a low-frequency oscillation is assumed if at least one further low frequency component is present in the time-dependent frequency pattern (420) in addition to a basic component.

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SYSTEM AND METHOD FOR FARM-LEVEL CONTROL OF TRANSIENT POWER BOOST DURING FREQUENCY EVENTS

NºPublicación: EP3819496A1 12/05/2021

Solicitante:

GEN ELECTRIC [US]

US_10975847_B1

Resumen de: EP3819496A1

A method for controlling a wind farm connected to an electrical grid includes receiving, via a farm-level controller, a frequency signal from the electrical grid. If the frequency signal is indicative of a frequency event occurring in the electrical grid, the method includes implementing, via the farm-level controller, a control scheme for providing frequency regulation and power-swing stabilization for the electrical grid. For example, the control scheme includes receiving, via the farm-level controller, individual output boost capabilities from each of the plurality of wind turbine generators, calculating, via the farm-level controller, a power command based on the individual output boost capabilities and based on one or more grid code requirements of the electrical grid, distributing, via the farm-level controller, the power command to each of the wind turbine generators.

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MEMBRANE DEVICE

NºPublicación: EP3819531A1 12/05/2021

Solicitante:

DANHYDRA AS [DK]

Resumen de: EP3819531A1

The present invention relates to a centralized lubrication system comprising a reservoir for holding a fluid. The reservoir comprises a housing where an elastic membrane able to increase in area constitutes a wall part. The reservoir may be applied in a centralized lubrication system where grease or oil is held and over a period is forced into a system of moving parts such as a wind turbine.More particularly, the invention relates to a centralized lubrication system comprising a reservoir for fluid comprising a housing (1) at least partly constituting a reservoir chamber for fluid which housing (1) is made of metal or similar rigid material and which housing comprises an inlet (2) for fluid and an outlet (3) for fluid, and comprising a pump (5) which is connected to the housing (1) which pump is configured to force fluid out of the reservoir chamber through the outlet (3) during operation, wherein the reservoir chamber of the housing comprises a wall part constituted of an elastic membrane (4) which elastic membrane (4) is configured so that the area of the elastic membrane (4) can and will increase when pressure inside the reservoir chamber is increased as fluid is added to the reservoir chamber.

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METHOD FOR CONTROLLING A WIND FARM IN ORDER TO DAMP SUBSYNCHRONOUS OSCILLATIONS

NºPublicación: EP3818608A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112385107_A

Resumen de: WO2020007995A1

The invention relates to a method for controlling a wind farm (112) in order to damp low-frequency electrical oscillations, in particular subsynchronous resonances, in an electrical supply grid (306), the supply grid (306) having a grid voltage with a nominal grid frequency, the wind farm (112) comprising at least one wind turbine (100, 300) connected to the electrical supply grid (306), comprising the steps: sensing at least one low-frequency electrical oscillation of the electrical supply grid; determining an oscillation characteristic of each of the at least one sensed oscillation, the oscillation characteristic describing at least one property of the sensed oscillation; specifying an active-power damping signal (ΔP) and/or a reactive-power damping signal (ΔQ) for damping the at least one low-frequency oscillation characterized by the oscillation characteristic; feeding in an active power component in accordance with the active-power damping signal or a reactive power component in accordance with the reactive-power damping signal, the active-power damping signal (ΔP) and the reactive-power damping signal (ΔQ) being specified in dependence on the determined oscillation characteristic.

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METHOD AND WIND TURBINE FOR DAMPING LOW FREQUENCY VIBRATIONS IN AN ELECTRICAL SUPPLY GRID

NºPublicación: EP3818607A1 12/05/2021

Solicitante:

WOBBEN PROPERTIES GMBH [DE]

CN_112368898_A

Resumen de: WO2020007909A1

The invention relates to a method for damping low frequency vibrations, particularly sub-synchronous resonances, in an electrical supply grid (120) by means of at least one decentralized generating unit (100, 112) connected to the electrical supply grid (120), particularly a wind turbine (100) or a wind farm (112), comprising the steps: supplying electrical power (P) by means of the at least one generating unit (100, 112) and supplementing the feed-in by a supplementation portion (PE) for damping the low frequency vibrations, wherein the supplementation portion (PE) is determined as a function of a simplified model (300, 400) of a synchronous machine.

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METHOD AND CONTROL SYSTEM FOR OPERATING A PLURALITY OF WIND TURBINES

NºPublicación: EP3818264A1 12/05/2021

Solicitante:

SENVION GMBH [DE]

DE_102018005329_A1

Resumen de: WO2020007629A1

The invention relates to a method for operating a plurality of wind turbines (14, 15, 16, 17), in which a first wind turbine (14) is arranged adjacent to a second wind turbine (15) and a third wind turbine (16). The noise output from the first wind turbine (14) has a first tonality. The rotational speed of the second wind turbine (15) and the rotational speed of the third wind turbine (16) are adapted in order to conceal the tonality of the first wind turbine (14). The invention further relates to a corresponding control system.

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ACTIVATION ARRANGEMENT FOR FOLDING DEVICES

NºPublicación: EP3819495A1 12/05/2021

Solicitante:

REHAU AG & CO [DE]

DE_202019106227_PA

Resumen de: EP3819495A1

Die Erfindung betrifft eine Aktivierungsanordnung für bewegbare Klappvorrichtungen, insbesondere für eine Tragfläche, Rotorblatt und dergleichen, welche sich dadurch auszeichnet, dass die Luftleitanordnung wenigstens ein Basiselement, wenigstens ein Aktuatorelement, sowie wenigstens ein Luftleitelement aufweist, dass das Basiselement in wenigstens einer Ausnehmung angeordnet ist, dass wenigstens ein freies Ende des Luftleitelementes am Basiselement angeordnet ist, dass das Luftleitelement mit dem Basiselement wenigstens einen Aufnahmeraum umschließt, in dem das Aktuatorelement angeordnet ist.

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一种风力发电检修用定位装置及定位方法

NºPublicación: CN112780508A 11/05/2021

Solicitante:

卢维山

Resumen de: CN112780508A

本发明公开了一种风力发电检修用定位装置及定位方法,包括基板,基板的顶端设置有转动杆,转动杆的顶端固定连接有转动板,转动板顶端的两侧对称开设有滑槽,两个滑槽的内壁均滑动连接有两个滑块,位置相对的两个滑块的顶端固定连接有滑板,滑板的截面为凸字型形状,滑板顶端的两侧对称开设有第一卡槽,第一卡槽的内腔活动卡接有限位卡块,限位卡块为倒置U型形状,转动板的顶端且位于两个滑槽的边侧对称开设有第二卡槽,限位卡块的一端与第二卡槽的内腔活动卡接。本发明通过滑槽和滑板的设置,实现了对设备的两侧进行夹持定位的目的,且通过第一卡槽、第二卡槽和限位卡块的配合使用,对两个滑板进行快速定位,从而提高了设备定位的便捷性。

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一种高强度的风力发电设备用制动装置

NºPublicación: CN112780487A 11/05/2021

Solicitante:

苏州立科工业设计有限公司

Resumen de: CN112780487A

本发明涉及制动设备的技术领域,特别是涉及一种高强度的风力发电设备用制动装置,其通过机械的制动方式,避免了液压或者气压制动方式中密封性无法控制的麻烦,提高了装置的使用稳定性;包括壳体、第一转动轴、机头、多组扇叶、第一主动斜齿轮、第一从动斜齿轮、第二转动轴、支撑壳体、空心轴、第一连接块、第二连接块、多组第一连接螺栓、第三转动轴、螺纹套管、第一滑块、多组第一衔接块、两组第一摆杆、两组第一制动片、两组第二摆杆、多组第二衔接块、第二从动斜齿轮、第二主动斜齿轮、减速器、第一伺服电机和升降装置,壳体的内部设置有腔室,前端设置有箱门,第一转动轴的左端深入至壳体的腔室内,并与壳体转动连接。

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一种海洋升降式浮标

NºPublicación: CN112776945A 11/05/2021

Solicitante:

王庆新

Resumen de: CN112776945A

本发明涉及海洋工程技术领域,且公开了一种海洋升降式浮标,该海洋升降式浮标,包括输气管,所述输气管的外侧卡接有连接柱,所述连接柱的外侧活动套接有转动杆,所述转动杆中部的外侧固定套接有风叶,所述转动杆通过主动轮与转轴传动连接,所述转动杆的外侧活动套接有蜗壳,所述连接柱通过螺栓与波形管传动连接。该海洋升降式浮标,通过洋流带动风叶转动,从而使得发电装置发电,通过导线使得铁芯产生与磁铁顶部相同的磁性,根据同性相斥的原理,波形管通过斥力膨胀,使得海洋升降式浮标内腔空间增大,继而使得浮标受到海水浮力增大,从而实现浮标漂浮与增加上浮力的目的,并代替了原有的液压系统,避免了液压油泄露的问题。

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一种抗台型打桩式海上养殖网箱平台

NºPublicación: CN112772499A 11/05/2021

Solicitante:

明阳智慧能源集团股份公司

Resumen de: CN112772499A

本发明公开了一种抗台型打桩式海上养殖网箱平台,包括网箱主体、功能模块以及配套的套筒、连接板和桩腿;所述功能模块安装在网箱主体的顶部,所述桩腿有多根穿入套筒后通过连接板安装在网箱主体的底部,并沿着网箱主体底部周边间隔分布,为海上养殖网箱平台提供支撑,同时网箱主体所受载荷能够经过套筒和桩腿传递到海床上,保障海上养殖网箱平台的稳定性。本发明满足平台的安全性能要求同时简化安装工序,能适应各种恶劣的海况环境,从而提升了海上网箱养殖产量,保障了整个海洋牧场的整体收益。

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一种发电动力装置

NºPublicación: CN112780511A 11/05/2021

Solicitante:

田应官

Resumen de: CN112780511A

本发明公开了一种发电动力装置,包括大轮动力轮组、电机、皮带轮,大轮动力轮组包括大轮、小轮;小轮包括悬重轮、悬轻轮;大轮的轮辐设置为多个风叶与中心的大轮轮毂、传动轴一体连接同步转动,大轮轮缘内圈与风叶外端之间的环形区域内,设置多个蜗壳形壳体构成多个独立的蜗壳形风道,蜗壳形壳体连接在大轮轮缘内圈和风叶外端上;壳体侧壁上固定转轴转动连接小轮,悬重轮依次安装9个,悬轻轮依次安装5个,使大轮构成多半圈重少半圈轻的偏重轮结构;蜗壳形壳体在迎风方向设置进风口,背风方向设置为蜗壳敞口,从进风口进入的风流推动小轮围绕所述转轴自转;电机通过皮带轮驱动大轮转动;传动轴输出动力。本发明结构简单、占地面积小。

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风电设备的叶片锁止结构

NºPublicación: CN213175938U 11/05/2021

Solicitante:

徐定斌

Resumen de: CN213175938U

本实用新型公开了风电设备的叶片锁止结构,安装板前侧壁的四角均设有固定板,安装板的下表面设有电机安装板,电机置于电机安装板上,双向螺杆和滑杆分别置于左侧两块固定板之间和右侧两块固定板之间,双向螺杆的一端与固定板之间转动连接,双向螺杆另一端穿过另一固定板与电机的输出端之间固定连接,双向螺杆和滑杆的两端之间分别设有活动板,活动板与双向螺杆之间螺纹连接,活动板与滑杆之间滑动连接,活动板的内侧壁等距离设有三个锁止块,齿轮置于风叶连接轴上,可以通过齿轮来代替液压缸对风叶进行锁止,锁止的效果比较好。

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一种风力机的调速装置

NºPublicación: CN213175934U 11/05/2021

Solicitante:

北京风润光泽新能源科技有限公司

Resumen de: CN213175934U

本实用新型公开了一种风力机的调速装置,包括底板,底板的顶部固定连接有箱体,底板顶部的右侧固定连接有油箱。本实用新型通过设置底板、电动伸缩杆、固定环、连接板、第一限位环、第一从动齿轮、从动轴、箱体、电机、第二齿轮、转轴、转筒、风力机主体、壳体、第一齿轮、连通管、液泵、环形管、第一主动齿轮、抽液管、油箱、主动轴、第二主动齿轮、第二从动齿轮、发电机、第二限位环、箱门、控制器和微孔的配合使用,解决了现有的风力机调速装置在使用过程中通常不便于对其内部齿轮进行润滑,使得其使用寿命容易受到一定的影响,且通常不便于对其朝向进行改变,可能会给使用者的使用造成一定不便的问题。

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一种风力机叶片维修装置

NºPublicación: CN213175937U 11/05/2021

Solicitante:

北京风润光泽新能源科技有限公司

Resumen de: CN213175937U

本实用新型公开了一种风力机叶片维修装置,包括安装板,所述安装板顶部的中部开设有安装槽,所述安装槽的内腔活动连接有丝杆,所述丝杆的前侧贯穿至安装板的前侧,所述套管的顶部延伸至安装槽的顶部并固定连接有活动板,所述活动板顶部的两侧均固定连接有竖板,两个竖板相反的一侧均贯穿螺纹连接有夹紧螺杆。本实用新型通过设置安装板、竖板、激光定位灯、固定壳、电动伸缩杆、箱体、开口、活动块、连接块、螺纹杆、安装壳、套筒、夹板、支撑板、夹紧螺杆、活动板、安装槽、套管、丝杆、电机、紧固螺栓和定位槽的配合使用,具备能够快速的对叶片进行固定,减轻人员工作强度,维修效率高的优点。

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一种反向平衡法兰

NºPublicación: CN213175930U 11/05/2021

Solicitante:

江苏金海新能源科技有限公司内蒙古金海新能源科技股份有限公司

Resumen de: CN213175930U

本实用新型涉及塔筒设备技术领域,特别涉及一种反向平衡法兰,包括第一筒段,第一筒段一侧设置有第二筒段,第二筒段一端固定焊接有反向平衡法兰单体,反向平衡法兰单体最外周设置有法兰筒节,反向平衡法兰单体内壁固定焊接有有法兰板。该反向平衡法兰和钢塔筒,通过设置防扭转工装,防扭转工装有效保证反向平衡法兰单体始终处于受压状态,防止反向平衡法兰单体脱开,提升反向平衡法兰单体刚度,减少加劲板和法兰筒节内壁连接焊缝的弯曲作用,防扭转工装也能大大减少加劲板发生错位及降低由于反向平衡法兰单体失效而导致风机倒塌的风险。

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船载风能光伏混合动力自动投放浮标

NºPublicación: CN213168468U 11/05/2021

Solicitante:

上海海洋大学

Resumen de: CN213168468U

本实用新型公开了一种船载风能光伏混合动力自动投放浮标,包括无人船、浮标装置,该浮标装置设置在无人船上,所述浮标装置包括浮标底座、浮标舱体、浮标搭载电机、麦克纳姆轮、第一太阳能电池板、竖直风力发电旋翼,所述麦克纳姆轮设置在浮标底座的下部,所述浮标搭载电机与麦克纳姆轮之间采用一防水横杠连接,所述麦克纳姆轮能保证浮标装置在无人船上稳定,所述船尾为一斜坡结构,所述挡板与船壁之间采用一电磁铁相连,所述挡板与船壁之间采用一铰接支架。本申请通过给浮标加装麦克纳姆轮,使得浮标主动自动地进入水中进行工作,节省了人力物力,大大提高效率。同时浮标在使用过程中需要消耗大量的电能,混合动力的模式保障了浮标的能源供给。

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一种适用于风力发电建设的安装支架

Nº publicación: CN213175929U 11/05/2021

Solicitante:

国电天唯康保风能有限公司

Resumen de: CN213175929U

本实用新型提供一种适用于风力发电建设的安装支架,属于风力发电技术领域,以解决现有的风力发电机设备在建设安装时受环境变化影响比较大,工作效率比较低的问题。包括定位支架;所述定位支架后部滑动连接在定位杆上;每组所述定位支架内部固定连接有两组紧固驱动装置;每组所述定位支架前部滑动链接有环形的紧固环;所述紧固环内部铰链连接有五组铰链轴。本实用新型装置通过采用蜗轮蜗杆机构进行紧固,夹紧效果更好;采用两组定位支架利用定位杆进行对齐,受环境的影响小,对准速度更快,有效提高工作效率;将铰链螺帽完全锁死,避免紧固环分离造成不必要的危险。

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