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    • 1. 发明申请
    • METHOD OF IDENTIFYING A FAULT IN A SYSTEM OF GEARS IN A WIND TURBINE
    • 风力机齿轮系统故障识别方法
    • WO2017190745A1
    • 2017-11-09
    • PCT/DK2017/050135
    • 2017-05-04
    • VESTAS WIND SYSTEMS A/S
    • RAMAKRISHNAN, Pattabiraman TrichyNARAYANPUR, Mallikarjun
    • G01H1/00G01M13/02G01M1/08G01H1/16
    • F03D17/00F03D7/02F03D15/00F03D15/10F03D80/50F05B2260/80F05B2270/334F16H2057/02078G01H1/003G01H1/16G01M13/021Y02E10/72
    • A method of identifying a fault in a system of gears in a wind turbine is provided. The method determines (204) a first centre harmonic frequency amplitude according to vibrations of the system of gears and determines (205) a plurality of sideband amplitudes of the first centre harmonic frequency amplitude. Further, the method calculates (206) an average sideband amplitude from the plurality of sideband amplitudes and determines (207) a value indicative of damage incurred by the system of gears based upon the first centre harmonic frequency amplitude and the average sideband amplitude. The method may be implemented by a controller which may be used to control a wind turbine or wind park based on the value indicative of damage. The method may obtain additional centre harmonic frequency amplitudes for use in identifying a fault in a system of gears. The centre harmonic frequencies may be harmonic tooth mesh frequencies and the value indicative of damage may be a ratio of the centre harmonic frequency amplitude and a difference between the centre harmonic frequency amplitude and the associated average sideband amplitude or vice versa. The method may analyse the value of any ratio obtained and use the ratio values to identify, and monitor the progress of, a fault.
    • 提供了一种识别风力涡轮机中的齿轮系统中的故障的方法。 该方法根据齿轮系统的振动确定(204)第一中心谐波频率幅度并且确定(205)第一中心谐波频率幅度的多个边带幅度。 此外,该方法从多个边带振幅中计算(206)平均边带振幅,并且基于第一中心谐波频率振幅和平均边带振幅确定(207)指示由齿轮系统引起的损害的值。 该方法可以通过控制器来实现,该控制器可以用于基于指示损坏的值来控制风力涡轮机或风力发电场。 该方法可以获得用于识别齿轮系统中的故障的附加中心谐波频率幅度。 中心谐波频率可以是谐波齿形网格频率,并且指示损伤的值可以是中心谐波频率振幅与中心谐波频率振幅与相关联的平均边带振幅之间的差的比率,反之亦然。 该方法可分析获得的任何比率的值,并使用比率值来识别并监视故障的进展。
    • 5. 发明申请
    • 부유식 해상풍력발전장치
    • 浮动风力发电装置
    • WO2016043416A1
    • 2016-03-24
    • PCT/KR2015/007266
    • 2015-07-13
    • 울산대학교 산학협력단
    • 신현경김동주
    • F03D9/00B63B39/10B63B22/18B63B21/00
    • B63B35/44B63B21/00B63B39/005B63B39/10B63B2001/044B63B2035/446B63B2035/4466B63B2241/12F03B13/16F03B13/1815F03D9/12F03D9/25F03D13/25F03D15/10F05B2240/93F05B2240/95Y02E10/38Y02E10/727
    • 본 발명은, 해상에 부유하도록 부력을 가지며, 중앙에 공간부가 마련된 메인부유체, 메인부유체의 공간부에 삽입 배치된 상태로 메인부유체에 결합 설치되며, 부력을 가지는 보조부유체, 보조부유체의 상부에 수직하게 설치되어, 전력을 생산하는 복수의 풍력발전기, 메인부유체에 연결 설치되어, 메인부유체의 위치를 제어하는 위치제어수단, 메인부유체에 연결 설치되어, 해상의 파랑을 흡수하여 메인부유체를 평형상태로 유지시키는 동요억제수단, 메인부유체에 연결 설치되어, 해상에서 선박을 정박할 수 있게 하는 접안연결부를 포함하는 부유식 해상풍력발전장치를 제공한다. 이와 같이, 부유식 해상풍력발전장치는, 풍력발전기를 메인부유체의 공간부 상에 배치되는 보조부유체 상부에 복수개를 설치한 상태에서 해상에서 발생되는 파도는 위치제어수단과 더불어 동요억제수단에 의해 발생되는 상하방향으로의 왕복 운동에너지에 의해 흡수되는 바, 메인부유체가 파도의 영향을 받아 요동되는 것을 방지하면서 평형상태를 유지할 수 있게 되어 안정적인 풍력발전을 가능하게 한다.
    • 本发明提供一种浮式风力发电装置,其特征在于,具备:主浮体,其具有浮力,浮在海上,并具有设置在中心的空间部; 辅助浮体,其具有浮力并且通过插入到主浮力体的空间部分中而连接到主浮力体; 多个风力发电机,其垂直设置在辅助浮力体的顶部并产生动力; 位置控制装置,连接到主浮体并控制主浮体的位置; 振动抑制装置,其连接到主浮力体,并且通过吸收海浪使得主浮力体能够保持平衡状态; 以及船坞连接单元,其连接到主浮力体并使船舶能够躺在海上的锚定处。 一种浮动风力发电装置,其具有设置在主浮力体的空间部分中的辅助浮力体的顶部上的多个风力发电装置,能够通过垂直往复运动的能量吸收海浪,生成 通过振动抑制装置以及位置控制装置,以防止主浮体受波浪和振动的影响,从而可以保持主浮力体的平衡状态,从而实现稳定的风 发电。
    • 6. 发明申请
    • MODIFIED DRAG BASED WIND TURBINE DESIGN WITH SAILS
    • 基于改进的DRAG基于风力涡轮机的设计
    • WO2016030709A1
    • 2016-03-03
    • PCT/IB2014/064036
    • 2014-08-23
    • ALFAISAL UNIVERSITY
    • AHMED, Hassan Zohair Hassan
    • F03D3/06F03D5/00B63H9/06
    • F03D11/04F03D1/04F03D3/068F03D13/20F03D15/10F05B2240/312Y02E10/74Y02P70/523
    • The present disclosure relates to a modified drag based wind turbine apparatus, a method of making the wind turbine and a method of using the wind turbine apparatus. The apparatus is based on a modified drag based concept whereby during a complete turn of the rotor, there will be an augmentation of a positive torque and a decrease of a negative torque resulting in double effect enhancement. The disclosed wind turbine can capture more wind kinetic energy than that energy captured by the traditional drag based wind turbines. The wind turbine apparatus comprises of a turbine supporting frame, a turbine rotor, a sail supporting arm, a sail rotational axis along with sail swinging rods, and extendable and/or shrinkable turbine sails. A simple design and construction is made for cost-effectiveness, and has small as well as large scale scalability.
    • 本公开涉及一种改进的基于拖动的风力涡轮机装置,制造风力涡轮机的方法和使用风力涡轮机装置的方法。 该装置基于改进的基于拖曳的概念,由此在转子的完整转动期间,会增加正扭矩和减少负转矩,从而产生双重效果增强。 所公开的风力涡轮机可以捕获比由传统的基于拖动的风力涡轮机捕获的能量更多的风动能。 风力涡轮机装置包括涡轮机支撑框架,涡轮机转子,帆支撑臂,帆旋转轴线以及帆摆杆,以及可延伸和/或收缩的涡轮机帆。 简单的设计和施工是为了具有成本效益,具有小型化和大规模可扩展性。
    • 8. 发明申请
    • HORIZONTALLY CHANNELED VERTICAL AXIS WIND TURBINE
    • 水平通道垂直轴风力涡轮机
    • WO2015192102A1
    • 2015-12-17
    • PCT/US2015/035695
    • 2015-06-12
    • IMPERIAL WIND CORPORATION
    • FREESE, Ronald, EugeneJORY, Cassandra
    • F03D3/04F03D3/06F03D7/00F03D11/00
    • F03D3/04F03D1/04F03D3/005F03D9/25F03D15/00F03D15/10F03D80/70F05B2240/13Y02E10/72Y02E10/74
    • A horizontally channeled vertical axis wind turbine for electrical power generation is provided. The wind turbine may collect ambient wind speed from between 0 - +/-50 ft. above ground level. The collected wind is accelerated and concentrated within horizontal laminar flow channels which direct the accelerated and concentrated wind up and through to a smaller exhaust and a series of turbine blades, located on a vertical axis turbine and shaft, which provides power to an electrical generator or alternator located below the wind turbine. The horizontally channeled vertical axis wind turbine may comprise an ambient wind scoop structure, a horizontal laminar flow channel support structure and a self-supporting turbine disk structure. The ambient wind scoop structure may gather ambient wind and then concentrate and accelerate the wind into two (2) horizontal laminar air flow channels in the horizontal laminar flow channel support structure which is supported by the self-supporting turbine disk structure.
    • 提供了用于发电的水平通道垂直轴风力涡轮机。 风力涡轮机可以收集来自地面以上0 +/- +/- 50英尺之间的环境风速。 所收集的风被加速并集中在水平层流通道内,其将加速和集中的风向上引导到较小的排气口和一系列涡轮机叶片,其位于垂直轴线的涡轮机和轴上,该涡轮机叶片为发电机提供动力, 位于风力涡轮机下方的交流发电机。 水平通道的垂直轴风力涡轮机可以包括环境风铲结构,水平层流通道支撑结构和自支撑涡轮盘结构。 环境风斗结构可以聚集环境风,然后将风集中并加速到由自支撑涡轮盘结构支撑的水平层流通道支撑结构中的两(2)个水平层流气流通道中。
    • 9. 发明申请
    • WIND TURBINE AND COMPRESSED GAS STORAGE SYSTEM FOR GENERATING ELECTRICAL POWER
    • 风力发电机和压缩气体储存系统
    • WO2015175253A1
    • 2015-11-19
    • PCT/US2015/029100
    • 2015-05-04
    • MADSON CHARLES MARTIN CHAVEZ
    • MADSON CHARLES MARTIN CHAVEZ
    • F02C6/16
    • F03D9/28F03D7/0204F03D7/0224F03D7/041F03D9/17F03D15/10F03D80/60F05B2250/50F05B2260/42F05B2260/79F05B2260/902Y02B10/30Y02E10/723Y02E60/15Y02E60/17
    • A wind turbine and compressed gas storage system for producing electrical energy. A plurality of wind turbines is serially interconnected for staged compression to output high pressure compressed gas. Each wind turbine includes an upper head portion with two or more propellers, a gear box, a rudder and fin assembly, and a propeller feathering and braking system, all pivotally mounted on a lower storage tank portion. The storage tank portion houses a turbine compressor, and one or more internal tanks. Compressed gas, outputted from one or more of such lines, is directed into a reserve tank, comprising a plurality of concentric, scalloped, ring¬ like tanks, interconnected by pressure-actuated valves. Each tank is adapted for storing compressed gas at stepped pressures, varying from the highest pressure central tank to the lowest pressure outermost ring tank. Compressed gas from the outer ring tank drives one or more air turbines and respective electrical generators.
    • 用于生产电能的风力涡轮机和压缩气体储存系统。 多个风力涡轮机串联连接用于分级压缩以输出高压压缩气体。 每个风力涡轮机包括具有两个或更多个螺旋桨的上部头部,齿轮箱,舵和翅片组件以及全部枢转地安装在下部储罐部分上的螺旋桨羽化和制动系统。 储罐部分容纳涡轮压缩机和一个或多个内部罐。 从一个或多个这样的管线输出的压缩气体被引导到备用罐中,该储存罐包括通过压力致动阀相互连接的多个同心的,扇形的环状罐。 每个罐适用于在压力最高的中央罐到最低压的最外环槽之间以阶梯式压力存储压缩气体。 来自外圈罐的压缩气体驱动一个或多个空气涡轮机和相应的发电机。