POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE AND METHOD OF OPERATING THE SAME
    1.
    发明申请
    POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE AND METHOD OF OPERATING THE SAME 审中-公开
    可再生能源类型的发电装置及其运行方法

    公开(公告)号:WO2011148654A2

    公开(公告)日:2011-12-01

    申请号:PCT/JP2011003005

    申请日:2011-05-30

    Abstract: In view of the problems above, it is an object of the present invention is to provide a power generating apparatus of renewable energy type which can achieve a desired output of the hydraulic motor and a stable power generation regardless of changes of the renewable energy as well as a method of operation such an apparatus. The power generating apparatus which generates power from a renewable energy source, includes a rotating shaft 8 driven by the renewable energy, a hydraulic pump 12 of variable displacement type driven by the rotating shaft 8, a hydraulic motor 14 driven by pressurized oil supplied from the hydraulic pump 12, a generator 20 coupled to the hydraulic motor 14, a high pressure oil line 16 through which a discharge side of the hydraulic pump 12 is in communication with an intake side of the hydraulic motor 14, a low pressure oil line 18 through which an intake side of the hydraulic pump 12 is in communication with a discharge side of the hydraulic motor, a motor target output determination unit 45 which determines the target output of the hydraulic motor 14, POWERmotor based on the target output of the hydraulic pump, POWERpump, a motor demand output determination unit 46 which determines a displacement demand Dm of the hydraulic motor 14 based on the target output of the hydraulic motor 14, POWERmotor so that the rotation speed of the generator 20 is constant, and a motor controller 48 which adjust the displacement of the hydraulic motor to the displacement demand Dm.

    Abstract translation: 鉴于上述问题,本发明的目的是提供一种可再生能源类型的发电装置,其可以实现液压马达的期望输出和稳定的发电,而不管可再生能源的变化如何 作为这种装置的操作方法。 从可再生能源产生电力的发电装置包括由可再生能源驱动的旋转轴8,由旋转轴8驱动的可变排量型液压泵12,由从所述可再生能源供给的压力油驱动的液压马达14 液压泵12,与液压马达14连接的发电机20,液压泵12的排出侧与液压马达14的进气侧连通的高压油路16,低压油路18 液压泵12的进气侧与液压马达的排出侧连通的马达目标输出判定单元45,基于液压泵的目标输出决定液压马达14的目标输出,动力马达, POWER泵,电动机需求输出判定部46,根据液压马达1的目标输出决定液压马达14的排量要求Dm 4,POWERmotor使得发电机20的转速恒定;以及电动机控制器48,其将液压马达的位移调节到排量要求Dm。

    WIND TURBINE GENERATOR SYSTEM AND OPERATION CONTROL METHOD THEREOF
    2.
    发明申请
    WIND TURBINE GENERATOR SYSTEM AND OPERATION CONTROL METHOD THEREOF 审中-公开
    风力发电机系统及其运行控制方法

    公开(公告)号:WO2012073279A1

    公开(公告)日:2012-06-07

    申请号:PCT/JP2010/006979

    申请日:2010-11-30

    Abstract: An object of the present invention is to provide a wind turbine generator system and an operation control method thereof, which has a superior operation efficiency and stability at a low wind speed and during the occurrence of a gust and is equipped with Ride Through function at Grid low voltage condition. The wind turbine generator 1 comprises a hydraulic pump 12 of a variable displacement type which is rotated by the main shaft 8, a hydraulic motor 14 of a variable displacement type which is connected to the generator 20, and a high pressure oil line 16 and a low pressure oil line 18 which are arranged between the hydraulic pump 12 and the hydraulic motor 14. An accumulator 60 is connected to the high pressure oil line 16 via an accumulator valve 62. ACC valve control unit 38 controls opening and closing of the accumulator valve 62 based on at least one of wind speed and the state of the grid 50.

    Abstract translation: 本发明的目的是提供一种风力发电机系统及其运行控制方法,其具有优良的运行效率和低风速下的稳定性,并且在阵风发生期间并且在电网中配备乘坐通功能 低电压条件。 风力发电机1包括由主轴8旋转的可变排量型的液压泵12,连接到发电机20的可变排量型的液压马达14和高压油路16和 液压泵12和液压马达14之间设置有低压油管18.蓄能器60经由蓄能阀62与高压油路16连接。ACC阀控制单元38控制蓄能阀的开闭 62基于风速和电网50的状态中的至少一个。

    POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE AND METHOD OF OPERATING THE SAME

    公开(公告)号:WO2011148654A3

    公开(公告)日:2011-12-01

    申请号:PCT/JP2011/003005

    申请日:2011-05-30

    Abstract: In view of the problems above, it is an object of the present invention is to provide a power generating apparatus of renewable energy type which can achieve a desired output of the hydraulic motor and a stable power generation regardless of changes of the renewable energy as well as a method of operation such an apparatus. The power generating apparatus which generates power from a renewable energy source, includes a rotating shaft 8 driven by the renewable energy, a hydraulic pump 12 of variable displacement type driven by the rotating shaft 8, a hydraulic motor 14 driven by pressurized oil supplied from the hydraulic pump 12, a generator 20 coupled to the hydraulic motor 14, a high pressure oil line 16 through which a discharge side of the hydraulic pump 12 is in communication with an intake side of the hydraulic motor 14, a low pressure oil line 18 through which an intake side of the hydraulic pump 12 is in communication with a discharge side of the hydraulic motor, a motor target output determination unit 45 which determines the target output of the hydraulic motor 14, POWER motor based on the target output of the hydraulic pump, POWER pump , a motor demand output determination unit 46 which determines a displacement demand D m of the hydraulic motor 14 based on the target output of the hydraulic motor 14, POWER motor so that the rotation speed of the generator 20 is constant, and a motor controller 48 which adjust the displacement of the hydraulic motor to the displacement demand D m .

    POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE
    6.
    发明申请
    POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE 审中-公开
    可再生能源发电设备

    公开(公告)号:WO2011148653A3

    公开(公告)日:2012-04-12

    申请号:PCT/JP2011003002

    申请日:2011-05-30

    Abstract: It is intended to provide a power generating apparatus of renewable energy type which can control the hydraulic transmission with high accuracy according to control signals. 1. The power generating apparatus of renewable energy type includes a rotating shaft 18 driven by the renewable energy source, a hydraulic pump 20 driven by the rotating shaft 18, a hydraulic motor driven by pressurized oil supplied from the hydraulic pump, a generator coupled to the hydraulic motor, a high pressure oil line 22 through which a discharge side of the hydraulic pump is in fluid communication with an intake side of the hydraulic motor, and a low pressure oil line 23 through which an intake side of the hydraulic pump is in fluid communication with a discharge side of the hydraulic motor. Each of the hydraulic pump 20 and the hydraulic motor includes a plurality of working chambers 53 each surrounded by a cylinder 51 and a piston 52, a high pressure manifold 60 including first branch channels 60A each connected to the working chambers and a first merging channel 60B connected to the high pressure oil line, the first branch channels joining together and merging into the first merging channel, a low pressure manifold 62 including second branch channels 62A each connected to the working chambers and a second merging channel 62B, the second branch channels joining together and merging into the second merging channel, high pressure valves 65 provided in the first branch channels of the high pressure manifold, low pressure valves respectively provided in the second branch channels of the low pressure manifold and a casing 50 accommodating them.

    Abstract translation: 旨在提供一种可再生能源的发电装置,其可以根据控制信号以高精度控制液压传动。 1.可再生能源发电装置包括由可再生能源驱动的旋转轴18,由旋转轴18驱动的液压泵20,由液压泵供给的加压油驱动的液压马达,发电机, 液压马达,液压泵的排出侧与液压马达的进气侧流体连通的高压油路22以及液压泵的进气侧所在的低压油路23 与液压马达的排出侧流体连通。 每个液压泵20和液压马达都包括多个工作室53,每个工作室53由气缸51和活塞52围绕,高压歧管60包括各自连接到工作室的第一分支通道60A和第一合流通道60B 连接到高压油管线,第一分支通道连接并合并入第一合流通道,低压歧管62包括各自连接到工作室的第二分支通道62A和第二合流通道62B,第二分支通道连接 一起并入第二合并通道,设置在高压歧管的第一分支通道中的高压阀65,分别设置在低压歧管的第二分支通道中的低压阀和容纳它们的壳体50。

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