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    • 1. 发明授权
    • Turbine driven electric power production system and a method for control thereof
    • 涡轮驱动电力生产系统及其控制方法
    • US07863767B2
    • 2011-01-04
    • US11921659
    • 2006-10-31
    • Peter ChappleOle Gunnar DahlhaugPer Olav Haarberg
    • Peter ChappleOle Gunnar DahlhaugPer Olav Haarberg
    • F03B13/00H02P9/04F03D9/00F03B13/10
    • F03D7/02F03D7/0224F03D7/0284F03D7/043F03D9/255F03D15/00F03D80/70F05B2210/16F05B2260/406F05B2260/74F05B2270/101F05B2270/104F05B2270/327F05B2270/337F16H61/465F16H61/47Y02E10/723
    • A turbine (2) driven electric power production system (1),—said turbine (2) arranged for being driven by a fluid (3) having a fluid speed (v) varying in time,—said turbine (2) connected to a hydrostatic displacement pump (6) further connected to a hydrostatic displacement motor (8) as part of a closed loop hydrostatic transmission system (7),—said motor (8) arranged for driving an electrical generator (9) supplying AC power (10) at a frequency (fg) near a given desired frequency (fdes), characterized by a closed loop system arranged for controlling a volumetric displacement (13) of the hydrostatic motor (8), comprising—a fluid speed meter (11m) arranged for producing a speed signal (11s) representing a speed (v) of said fluid (3), and—a rotational speed meter (12m) arranged for providing a rotational speed signal (12s) representing a rotational speed measurement (ω) of said turbine (2), —a motor displacement control system (15) for continuously receiving said speed signal (11s) and said rotational speed signal (12s) and arranged for calculating a control signal (16), —a volumetric displacement control actuator (17) on said hydrostatic motor, arranged for receiving said control signal (16) for continuously adjusting a volumetric displacement (d) of said hydrostatic motor (8) for maintaining a set turbine tip speed ratio (tsrset) and thereby providing an improved power efficiency of the power production system (1) during fluctuations in said fluid speed (v).
    • 一种涡轮机(2)驱动的电力生产系统(1), - 所述涡轮机(2)被布置成由具有随时间变化的流体速度(v)的流体(3)驱动,所述涡轮机(2)连接到 静压容积泵(6)进一步连接到作为闭环静液压传动系统(7)的一部分的静液驱动马达(8),所述马达(8)布置成驱动提供交流电力(10)的发电机(9) 在特定的期望频率(fdes)附近的频率(fg)处,其特征在于设置有用于控制静液压马达(8)的体积位移(13)的闭环系统,包括:流体速度计(11m) 表示所述流体(3)的速度(v)的速度信号(11s)和布置成提供表示所述涡轮机的转速测量(ω)的转速信号(12s)的转速计(12m) 2), - 用于连续接收所述速度信号的电动机位移控制系统(15) (11s)和所述转速信号(12s),并且被布置成用于计算控制信号(16), - 所述静液压马达上的体积位移控制致动器(17),被布置成用于接收所述控制信号(16),用于连续地调节体积 所述静液压马达(8)的位移(d)用于维持设定的涡轮机叶尖速度比(tsrset),从而在所述流体速度(v)的波动期间提供功率生产系统(1)的改进的功率效率。
    • 2. 发明申请
    • Turbine driven electric power production system and a method for control thereof
    • 涡轮驱动电力生产系统及其控制方法
    • US20090140522A1
    • 2009-06-04
    • US11921659
    • 2006-10-31
    • Peter ChappleOle Gunnar DahlhaugPer Olav Haarberg
    • Peter ChappleOle Gunnar DahlhaugPer Olav Haarberg
    • F03D7/00
    • F03D7/02F03D7/0224F03D7/0284F03D7/043F03D9/255F03D15/00F03D80/70F05B2210/16F05B2260/406F05B2260/74F05B2270/101F05B2270/104F05B2270/327F05B2270/337F16H61/465F16H61/47Y02E10/723
    • A turbine (2) driven electric power production system (1), —said turbine (2) arranged for being driven by a fluid (3) having a fluid speed (v) varying in time, —said turbine (2) connected to a hydrostatic displacement pump (6) further connected to a hydrostatic displacement motor (8) as part of a closed loop hydrostatic transmission system (7), —said motor (8) arranged for driving an electrical generator (9) supplying AC power (10) at a frequency (fg) near a given desired frequency (fdes), characterized by a closed loop system arranged for controlling a volumetric displacement (13) of the hydrostatic motor (8), comprising —a fluid speed meter (11m) arranged for producing a speed signal (11s) representing a speed (v) of said fluid (3), and —a rotational speed meter (12m) arranged for providing a rotational speed signal (12s) representing a rotational speed measurement (ω) of said turbine (2), —a motor displacement control system (15) for continuously receiving said speed signal (11s) and said rotational speed signal (12s) and arranged for calculating a control signal (16), —a volumetric displacement control actuator (17) on said hydrostatic motor, arranged for receiving said control signal (16) for continuously adjusting a volumetric displacement (d) of said hydrostatic motor (8) for maintaining a set turbine tip speed ratio (tsrset) and thereby providing an improved power efficiency of the power production system (1) during fluctuations in said fluid speed (v).
    • 涡轮机(2)驱动的电力生产系统(1), - 涡轮机(2),被布置成由具有随时间变化的流体速度(v)的流体(3)驱动, - 涡轮机(2)连接到 流体静力容积泵(6)进一步连接到作为闭环静液压传动系统(7)的一部分的静液驱动马达(8),安装用于驱动提供交流电力(10)的发电机(9)的马达(8) 其特征在于设置成用于控制所述静液压马达(8)的体积位移(13)的闭环系统,所述闭环系统包括:流体速度计(11m),其被设置用于产生 表示所述流体(3)的速度(v)的速度信号(11s)和设置成提供表示所述涡轮机的转速测量(ω)的转速信号(12)的转速计(12m) 2),一个用于连续接收所述速度信号(11s)的马达位移控制系统(15) )和所述转速信号(12s),并被布置成用于计算控制信号(16), - 所述静液压马达上的体积位移控制致动器(17),被布置成用于接收用于连续调节体积位移的所述控制信号(16) d)所述静液压马达(8)用于维持设定的涡轮机叶尖速度比(tsrset),从而在所述流体速度(v)的波动期间提供功率生产系统(1)的改进的功率效率。
    • 7. 发明授权
    • Method and device for resisting wear from particle containing water on an impeller
    • 用于抵抗叶轮上含水颗粒的磨损的方法和装置
    • US08398360B2
    • 2013-03-19
    • US13384151
    • 2010-07-12
    • Ole Gunnar Dahlhaug
    • Ole Gunnar Dahlhaug
    • F04D27/00
    • F03B3/125F03B11/002F03B11/08Y02E10/223Y02E10/226
    • A method and a device for counteracting wear from particle bearing drive water in a runner (4) in a water turbine (1), the runner (4) comprising a runner hub (16) and a vane (18), or a runner hub (16), a vane (18) and a runner band (20), the vane (18) being attached to the runner hub (16) in a first attachment area (22) and to the runner band (20) in a second attachment area (24), and where the method comprises: —routing a supply channel (40) for water cleaner than the drive water to at least the first attachment area (22) or the second attachment area (24) and—leading water cleaner than the drive water to flow over at least a portion of the vane (18) surface.
    • 一种用于抵消水轮机(1)中的流道(4)中的颗粒承载驱动水的磨损的方法和装置,所述流道(4)包括流道轮毂(16)和叶片(18),或者转轮毂 (16),叶片(18)和转轮带(20),所述叶片(18)在第一附接区域(22)中连接到所述转轮毂(16)并且在第二连接区域 附接区域(24),并且其中所述方法包括:将至少所述第一附接区域(22)或所述第二附接区域(24)上的用于水驱动器的水清洁器的供应通道(40) 比驱动水在叶片(18)表面的至少一部分上流动。