-
公开(公告)号：US20160322924A1
公开(公告)日：2016-11-03
申请号：US15103882
申请日：2014-12-12
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Gomis Bellmunt ORIOL , De Prada Gil MIKEL , Diaz Gonzalez FRANCISCO , Prieto Araujo EDARDO
Abstract: Multiphase generator-conversion systems are disclosed. The system includes a multiphase generator having one rotor and m+1 number of electromagnetically coupled stators, each stator having a plurality of phase legs. The system includes a converter having m+1 conversion lines, each conversion line connected to the plurality of phase legs of one of the m+1 stators. Each conversion line has a rectification module. At most m of the m+1 rectification modules has an active filtering converter. At least one of the m+1 rectification modules has a passive rectifier. At least one of the active filtering converters is configured to directly control its current to vary the magnetic flux of the stator to which it is connected and indirectly affect the magnetic flux of the rest of the stators through the electromagnetic coupling. Also disclosed are wind turbines that include generation conversion systems and methods of mitigating harmonics in multi-phase generator-conversion systems.
Abstract translation: 公开了多相发电机转换系统。 该系统包括具有一个转子和m + 1个电磁耦合定子的多相发电机，每个定子具有多个相位腿。 该系统包括具有m + 1个转换线的转换器，每个转换线连接到m + 1个定子之一的多个相位支路。 每个转换线都有一个整流模块。 最多m个m + 1整流模块具有有源滤波转换器。 至少一个m + 1整流模块具有无源整流器。 有源滤波转换器中的至少一个被配置为直接控制其电流以改变与其连接的定子的磁通量，并通过电磁耦合间接地影响其余定子的磁通量。 还公开了包括发电转换系统和减轻多相发电机转换系统中的谐波的方法的风力涡轮机。
-
公开(公告)号：US20160258415A9
公开(公告)日：2016-09-08
申请号：US14559865
申请日：2014-12-03
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Ricardo LÁZARO , Laia ESTEBAN
CPC classification number: F03D1/0691 , F03D80/70 , F05B2240/50 , Y02E10/721
Abstract: In a first aspect, the invention provides a hub to be mounted on a wind turbine having a frame to be surrounded by the hub. The hub comprises a front bearing seat and a rear bearing seat for rotatably mounting the hub on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub. The hub further comprises a plurality of beams connecting the front bearing seat and the rear bearing seat. In a second aspect, the invention provides a wind turbine comprising a hub according to the first aspect of the invention and a frame surrounded by the hub. The hub is rotatably mounted on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub.
-
公开(公告)号：US09331540B2
公开(公告)日：2016-05-03
申请号：US14315627
申请日：2014-06-26
Applicant: ALSTOM Renewable Technologies
Inventor： Andreas Koepfler , Jeremy Poux , Thomas Lugand
IPC: H02K3/40
CPC classification number: H02K3/40 , H02K2213/03
Abstract: An end winding corona protection including a winding of a rotating electric machine, having a conductor and a groundwall insulation surrounding the conductor, an end winding corona protection arranged on the outer surface of the groundwall insulation, the end winding corona protection comprising a first layer characterized in that the surface resistance of the first layer is in the range of 10 Ohm to 80 Ohm, and in that the end winding corona protection further comprises a second layer arranged on the outer surface of the first layer, wherein the second layer is made of semiconductive material, and wherein third layer is arranged on the outer surface of the second layer and made of medium resistive material.
Abstract translation: 一种端绕绕电晕保护，包括旋转电机的绕组，具有围绕导体的导体和接地壁绝缘体，布置在接地壁绝缘体的外表面上的端部缠绕电晕保护，端部绕组电晕保护包括第一层， 因为第一层的表面电阻在10欧姆至80欧姆的范围内，并且因为端部绕组电晕保护还包括布置在第一层的外表面上的第二层，其中第二层由 半导体材料，并且其中第三层布置在第二层的外表面上并由中等电阻材料制成。
-
公开(公告)号：US20160094094A1
公开(公告)日：2016-03-31
申请号：US14860621
申请日：2015-09-21
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
CPC classification number: H02K1/148 , F03D9/25 , H02K1/06 , H02K1/18 , H02K1/276 , H02K1/28 , H02K7/1838 , Y02E10/725
Abstract: An electrical machine comprising a first item having a male portion and a second item having a female portion. The male and female portions have a shape adapted to each other such that the male portion can be fitted into the female portion. The male and/or female portion is formed as a stack of sheets comprising standard sheets and protruding sheets. The “male” standard sheets substantially fit into the female portion and the “male” protruding sheets are larger than the female portion such that, in use, said protruding sheets are deformed during insertion of the male portion into the female portion. The “female” standard sheets have an opening into which the male portion substantially fits, and the “female” protruding sheets have an opening smaller than the male portion such that, in use, said protruding sheets are deformed during insertion of the male portion into the opening of the female portion.
Abstract translation: 一种电机，包括具有阳部分的第一物品和具有阴部分的第二物品。 阳部分和阴部分具有彼此适配的形状，使得阳部分可以装配到阴部分中。 阳和/或阴部分形成为包括标准片材和突出片材的一叠片材。 “阳”标准片基本上配合到阴部分中，并且“阳”突出片大于阴部分，使得在使用中，所述突出片在将阳部插入阴部分期间变形。 “母”标准片具有基本上配合的阳部的开口，并且“阴”突出片具有比阳部小的开口，使得在使用中，所述突出片在插入阳部时变形 女性部分的开放。
-
公开(公告)号：US20160032608A1
公开(公告)日：2016-02-04
申请号：US14776667
申请日：2014-03-20
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Jaume BETRAN PALOMAS
CPC classification number: E04H12/16 , E04C5/08 , E04H12/34 , F03D13/20 , F05B2240/40 , F05B2240/912 , Y02E10/728
Abstract: Methods and arrangements for controlling the tension of tensioning cables in precompressed towers are disclosed. The towers may comprise a tower section (5), a pair of flanges (15, 15′), a plurality of tensioning cables (10A-10D)and at least one tensioner (30AB, 30CD). The pair of flanges may be arranged around an upper and a lower part of the tower section. The at least one tensioner may be arranged between two of the plurality of tensioning cables (10A-10D). The tensioner may pull the tensioning cables in response to a load signal to increase the tension.
Abstract translation: 公开了用于控制预压缩塔中张紧电缆张力的方法和装置。 塔可以包括塔架部分（5），一对凸缘（15,15'），多个张紧绳索（10A-10D）和至少一个张紧器（30AB，30CD）。 一对凸缘可以围绕塔架的上部和下部布置。 所述至少一个张紧器可以布置在所述多个张紧绳索（10A-10D）中的两个之间。 张紧器可以响应于负载信号拉动张紧电缆以增加张力。
-
Patent Agency Ranking
公开(公告)号：US20160003222A1
公开(公告)日：2016-01-07
申请号：US14758791
申请日：2014-01-14
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Pedro PALOMARES RENTERO
CPC classification number: F03D7/044 , F03D1/06 , F03D7/0204 , F03D7/0224 , F03D7/047 , F05B2240/40 , F05B2270/111 , Y02E10/721 , Y02E10/723
Abstract: Wind turbine rotational system having several drives and a central control system (CCS), each drive comprising a motor, an electronic converter and an actuator. The CCS sends speed and torque setpoints to the electronic converters which drive the motors according to said setpoints. Operation of the system comprises: designating a drive as master and the other drives as slaves; designating, for each slave, one of the drives as reference drive; the CCS determining master speed and torque setpoints, and sending them to the master; the CCS obtaining real torque of the master; CCS obtaining real speed of each reference drive; and the CCS sending to each slave a slave speed setpoint equal to the master speed setpoint, and a slave torque setpoint equal to the real torque of the master plus a variable offset based on a difference between the master speed setpoint and the real speed of its reference drive.
Abstract translation: 具有多个驱动器和中央控制系统（CCS）的风力涡轮机旋转系统，每个驱动器包括马达，电子转换器和致动器。 CCS将速度和转矩设定值发送到根据所述设定值驱动电机的电子转换器。 系统的操作包括：将驱动器指定为主机，将其他驱动器指定为从机; 为每个从站指定其中一个驱动器作为参考驱动器; CCS确定主速度和转矩设定值，并将其发送给主站; CCS获得主人的实际扭矩; CCS获取每个参考驱动器的实际速度; 并且CCS向每个从站发送从属速度设定值等于主速度设定值，并且从机转矩设定值等于主机的实际转矩加上可变偏移量，基于主转速设定值与其速度的实际速度之差 参考驱动。
-
公开(公告)号：US20150354535A1
公开(公告)日：2015-12-10
申请号：US14760687
申请日：2014-01-17
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Isaac PINEDA AMO
CPC classification number: F03D7/0224 , F03D7/042 , F05B2270/1011 , F05B2270/32 , F05B2270/322 , Y02E10/723
Abstract: Methods of operating a variable speed wind turbine as a function of a wind speed, the wind turbine having a rotor with a plurality of blades, and one or more pitch mechanisms for rotating the blades. The method comprising a sub-nominal zone of operation for wind speeds below the nominal wind speed and a supra-nominal zone of operation for wind speeds above the nominal wind speed. In the supra-nominal zone, the blades are pitched so as to maintain the rotor speed substantially constant, and a tip speed ratio of the wind turbine is substantially continuously being determined and wherein an instantaneous minimum pitch angle is substantially continuously being determined based on the instantaneous tip speed ratio, and the blades are never pitched below the instantaneous minimum pitch angle. The disclosure further relates to a wind turbine suitable for carrying out such methods.
Abstract translation: 作为风速的函数操作变速风力涡轮机的方法，所述风力涡轮机具有带有多个叶片的转子和用于旋转叶片的一个或多个俯仰机构。 该方法包括用于低于标称风速的风速的次命名区域，以及高于标称风速的风速的超标称操作区域。 在超标称区域中，叶片被倾斜以便保持转子速度基本恒定，并且确定风力涡轮机的叶尖速度比基本上连续地被确定，并且其中瞬时最小桨距角基本上连续地被确定 瞬时尖端速度比，并且叶片从不倾斜到瞬时最小桨距角以下。 本公开还涉及适于执行这种方法的风力涡轮机。
-
公开(公告)号：US20150322924A1
公开(公告)日：2015-11-12
申请号：US14650556
申请日：2013-12-18
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Jorge MENASANCH DE TOBARUELA
CPC classification number: G05B23/0221 , F03D1/06 , F03D3/06 , F03D17/00 , G05B2219/2619 , Y02E10/721
Abstract: A method of monitoring the condition of a wind turbine. The method includes the steps of selecting a plurality of measurable parameters indicative of the operational state of the wind turbine; recording measures of a variable indicative of the condition of the wind turbine during a period of normal operation thereof, and deriving corresponding values of a characteristic quantity from said measures; recording measures of the parameters during the same period; identifying a correlation between the characteristic quantity and at least one correlated parameter; and from said correlation, defining the expected value of the characteristic quantity as a target function that is a function of said at least one correlated parameter.
Abstract translation: 一种监测风力发电机状况的方法。 该方法包括以下步骤：选择指示风力涡轮机的运行状态的多个可测量参数; 记录在正常运行期间表示风力涡轮机的状态的变量的测量值，并从所述措施导出特征量的相应值; 记录同期参数的措施; 识别所述特征量与至少一个相关参数之间的相关性; 并且根据所述相关性，将特征量的期望值定义为作为所述至少一个相关参数的函数的目标函数。
-
公开(公告)号：US20150275863A1
公开(公告)日：2015-10-01
申请号：US14433606
申请日：2013-10-09
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Jaume Betran Palomas , Jorge Menasanch De Tobaruela
IPC: F03D11/00
Abstract: A blade for a wind turbine comprises a substantially hollow shell which comprises an opening which extends along at least part of the length of the blade, and a servicing unit displaceable along the blade shell, at least partly arranged inside the shell and comprising an arm adapted to project out of the shell through the opening.
Abstract translation: 用于风力涡轮机的叶片包括基本上中空的壳体，其包括沿叶片长度的至少一部分延伸的开口，以及沿着叶片壳体可移位的维修单元，至少部分地布置在壳体内部，并且包括适于 通过开口突出外壳。
-
公开(公告)号：US20150275860A1
公开(公告)日：2015-10-01
申请号：US14668633
申请日：2015-03-25
Applicant: ALSTOM RENEWABLE TECHNOLOGIES
Inventor： Carlo Enrico CARCANGIU , Isaac PINEDA AMO
CPC classification number: F03D7/0292 , F03D7/0224 , F03D7/024 , F03D7/044 , F03D7/046 , F03D9/25 , F03D17/00 , F05B2270/332 , Y02E10/723 , Y02E10/725
Abstract: Methods of operating a wind turbine having one or more sensors for determining loads in selected wind turbine components, the methods comprising determining loads in the selected wind turbine components during a measuring period under a first wind condition, calculating a real power spectral density of one or more selected loads for each of the selected wind turbine components during the measuring period, obtaining a reference power spectral density for the selected loads for each of the selected wind turbine components under a wind condition that is comparable to the first wind condition, determining accumulated fatigue damage in time equivalent loads for each of the selected wind turbine components, verifying for each of the selected wind turbine components whether the accumulated fatigue damage in time equivalent loads is within acceptable limits, and performing one or more operational changes in case of negative result. Wind turbines suitable for these methods are also disclosed.
Abstract translation: 操作具有一个或多个传感器以确定所选择的风力涡轮机部件中的负载的风力涡轮机的方法，所述方法包括在第一风力条件下的测量周期期间确定所选择的风力涡轮机部件中的负载，计算一个或 在测量期间为每个所选择的风力涡轮机组件选择更多选择的载荷，在与第一风力条件相当的风力条件下获得每个所选择的风力涡轮机部件的选定负载的参考功率谱密度，确定累积疲劳 对于每个所选择的风力涡轮机部件的时间等效负载的损坏，验证每个所选择的风力涡轮机部件，无论时间等效负载中的累积疲劳损伤是否在可接受的限度内，以及在否定结果的情况下执行一个或多个操作改变。 也公开了适用于这些方法的风力涡轮机。
-
-
-
-
-
-
-
-
-
Search Results
192
records
(took 0.02 seconds)
