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公开(公告)号：NO833992L
公开(公告)日：1984-05-09
申请号：NO833992
申请日：1983-11-02
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: Yaw (fishtail) oscillations in large wind turbines (10) are minimized by damping provided by a drive motor (65) connecting the turbine to the supporting tower (50) therefor at, for example, a yaw bearing (45). The drive motor drives the wind turbine in yaw and maintains desired yaw setting of the turbine. The motor is also capable of being driven by yaw oscillations of the wind turbine and in being so driven, dissipates the energy of such oscillations.
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公开(公告)号：FR2480862A1
公开(公告)日：1981-10-23
申请号：FR8107973
申请日：1981-04-22
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: A wind turbine adapted to rotationally drive a load such as an electric power generator 50 includes in the turbine drive train, resiliently mounted gearing 55 which isolates and damps the load from drive train disturbances caused by wind gusts and wind stream dyssemmetry and inherent torsional vibration without assistance from modulation of turbine blade pitch.
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公开(公告)号：FI811217L
公开(公告)日：1981-10-23
申请号：FI811217
申请日：1981-04-16
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: A wind turbine adapted to rotationally drive a load such as an electric power generator 50 includes in the turbine drive train, resiliently mounted gearing 55 which isolates and damps the load from drive train disturbances caused by wind gusts and wind stream dyssemmetry and inherent torsional vibration without assistance from modulation of turbine blade pitch.
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公开(公告)号：IT8121790D0
公开(公告)日：1981-05-19
申请号：IT2179081
申请日：1981-05-19
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: Yaw trimming in large wind turbines is achieved by laterally offsetting the turbine yaw axis from the axis of rotation of the hub.
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公开(公告)号：FI89533B
公开(公告)日：1993-06-30
申请号：FI864699
申请日：1986-11-18
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET , KOS JOSEPH MICHAEL , HARNER KERMIT IVAN , DIVALENTIN EUGENE D , HEALY HENRY STEPHEN
Abstract: A variable speed wind turbine includes a frequency converter which converts variable frequency AC from a turbine driven AC generator to fixed frequency AC for delivery to a power grid. The frequency converter is typically an electronic cycloconverter or rectifier-inverter and is also used to control the power flow from the AC generator to the grid which thereby controls the air gap torque between the generator stator and rotor. The turbine speed is maneuvered to increase efficiency by precisely controlling the air gap torque according to a schedule defining sensed generator speed versus sensed generated power.
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Patent Agency Ranking
公开(公告)号：DE3381051D1
公开(公告)日：1990-02-08
申请号：DE3381051
申请日：1983-11-04
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: Yaw (fishtail) oscillations in large wind turbines (10) are minimized by damping provided by a drive motor (65) connecting the turbine to the supporting tower (50) therefor at, for example, a yaw bearing (45). The drive motor drives the wind turbine in yaw and maintains desired yaw setting of the turbine. The motor is also capable of being driven by yaw oscillations of the wind turbine and in being so driven, dissipates the energy of such oscillations.
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公开(公告)号：ES2011020B3
公开(公告)日：1989-12-16
申请号：ES86630171
申请日：1986-11-13
Applicant: UNITED TECHNOLOGIES CORP
Inventor： KOS JOSEPH MICHAEL , HEALY HENRY STEPHEN , DOMAN GLIDDEN SWEET , HARNER KERMIT IVAN , DIVALENTIN EUGENE D
Abstract: Sistema de turbina eólica de velocidad variable con un coeficiente de potencia óptimo frente al ratio de velocidad de la curva de rendimiento, comprendiendo este sistema: - Un eje del rotor de la turbina (12) con un cubo (14) en un extremo con, por lo menos una pala (16), unida al cubo (14); - Una caja de cambios (18) con un lado de baja velocidad (20) unido al otro extremo del eje del rotor de la turbina (12); - Un sistema generador-convertidor (22, 30) con un generador de c.a. (22), un convertidor de frecuencia (30) y un eje de rotor de generador (24) unido al lado de alta velocidad (26) de la caja de cambios (18) proporcionando dicho convertidor (30) una potencia de salida de c.a. de frecuencia constante; - Dispositivos sensores (50; 54) para detectar la velocidad del generador y la salida de potencia eléctrica del generador y para proporcionar señales detectadas (NG; PE) indicativas de las mismas; y - Un controlador de turbina eólica de velocidad variable (36), sensible a señales detectadas (NG, PE) indicativas de la velocidad del generador y de la salida de potencia eléctrica del generador, para generar una señal de mando de generador (QE(REF)); caracterizado porque: - la señal de mando (QE(REF)) generada por el controlador (36) es una señal de mando del par de torsión para maniobras de gobierno de la velocidad del generador (NG) de acuerdo con una función que define la velocidad del generador (NG) frente a la salida de potencia eléctrica del generador (PE) la cual maniobra tiende a causar que la turbina eólica trabaje substancialmente en el coeficiente de rendimiento de la turbina eóllica (Cp) frente al ratio de velocidad (VR) de la curva de rendimiento óptimo substancialmente en el máximo de la misma; y - el generador de c.a. (22) proporciona una c.a. de frecuencia variable en una línea de salida de potencia (28) de la misma; y - un convertidor de frecuencia (30) está conectado electricamente a la línea de salida de potencia del generador (28) y es sensible a la salidac.a. del generador para convertir la c.a. de frecuencia variable en una c.a. de frecuencia constante, el convertidor de frecuencia (30) es sensible a la señal de mando del par de torsión del generador (QE(REF)) para controlar la magnitud de la potencia eléctrica convertida por el convertidor (30), mediante lo cual efectúa el control del par de torsión del generador de c.a.
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公开(公告)号：DE3665904D1
公开(公告)日：1989-11-02
申请号：DE3665904
申请日：1986-11-13
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET , KOS JOSEPH MICHAEL , HARNER KERMIT IVAN , DIVALENTIN EUGENE D , HEALY HENRY STEPHEN
Abstract: A variable speed wind turbine includes a frequency converter which converts variable frequency AC from a turbine driven AC generator to fixed frequency AC for delivery to a power grid. The frequency converter is typically an electronic cycloconverter or rectifier-inverter and is also used to control the power flow from the AC generator to the grid which thereby controls the air gap torque between the generator stator and rotor. The turbine speed is maneuvered to increase efficiency by precisely controlling the air gap torque according to a schedule defining sensed generator speed versus sensed generated power.
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公开(公告)号：FI79387B
公开(公告)日：1989-08-31
申请号：FI811217
申请日：1981-04-16
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: A wind turbine adapted to rotationally drive a load such as an electric power generator 50 includes in the turbine drive train, resiliently mounted gearing 55 which isolates and damps the load from drive train disturbances caused by wind gusts and wind stream dyssemmetry and inherent torsional vibration without assistance from modulation of turbine blade pitch.
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公开(公告)号：NO158639B
公开(公告)日：1988-07-04
申请号：NO833992
申请日：1983-11-02
Applicant: UNITED TECHNOLOGIES CORP
Inventor： DOMAN GLIDDEN SWEET
Abstract: Yaw (fishtail) oscillations in large wind turbines (10) are minimized by damping provided by a drive motor (65) connecting the turbine to the supporting tower (50) therefor at, for example, a yaw bearing (45). The drive motor drives the wind turbine in yaw and maintains desired yaw setting of the turbine. The motor is also capable of being driven by yaw oscillations of the wind turbine and in being so driven, dissipates the energy of such oscillations.
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