Helical flow compressor/turbine permanent magnet motor/generator
    1.
    发明授权
    Helical flow compressor/turbine permanent magnet motor/generator 失效
    螺旋流量压缩机/涡轮永磁电动机/发电机

    公开(公告)号:US5899673A

    公开(公告)日:1999-05-04

    申请号:US730946

    申请日:1996-10-16

    摘要: A helical flow compressor/turbine or pump/turbine with integral permanent magnet motor/generator is disclosed which can be configured as a single stage, two stage or three stage rotary machine. The impeller blades for this machine can be either radial for ease of manufacture or curved, with the curve at the leading edge being greater than at the blade root, for maximum fluid dynamic head pressure and maximum efficiency. Tapered flow channels are utilized to maximize fluid-dynamic efficiency. The helical flow machine disclosed produces precisely controlled pressure changes and energy changes in the process fluid passing through the machine and provides information on fluid flow rates.

    摘要翻译: 公开了一种具有整体永磁电动机/发电机的螺旋流压缩机/涡轮机或泵/涡轮机,其可以被配置为单级,两级或三级旋转机。 用于该机器的叶轮叶片可以是径向的,以便于制造或弯曲,其前缘处的曲线大于叶片根部处的曲线,以获得最大的流体动压头压力和最大效率。 锥形流动通道用于最大化流体动力效率。 所公开的螺旋流动机器在通过机器的过程流体中产生精确控制的压力变化和能量变化,并提供关于流体流速的信息。

    Turbogenerator/motor pulse width modulated controller
    4.
    发明授权
    Turbogenerator/motor pulse width modulated controller 失效
    涡轮发电机/电机脉宽调制控制器

    公开(公告)号:US6020713A

    公开(公告)日:2000-02-01

    申请号:US2890

    申请日:1998-01-05

    摘要: A controller for a permanent magnet turbogenerator/motor having a pulse width modulated inverter and a rectifier bridge. The pulse width modulated inverter includes a positive section magnetic winding and a separate equal negative section magnetic winding, and the inverter has a positive section connected to the positive section magnetic winding of the pulse width modulated inverter and a negative section connected to the separate negative section magnetic winding of the pulse width modulated inverter.

    摘要翻译: 一种用于具有脉宽调制逆变器和整流桥的永磁式涡轮发电机/电动机的控制器。 脉宽调制逆变器包括一个正段磁绕组和一个单独的相等的负截面磁绕组,并且该逆变器具有连接到脉宽调制逆变器的正段磁绕组的正极段和连接到单独负极段的负极段 脉宽调制逆变器的磁绕组。

    Automatic turbogenerator restarting system
    5.
    发明授权
    Automatic turbogenerator restarting system 有权
    自动涡轮发电机重启系统

    公开(公告)号:US06512306B2

    公开(公告)日:2003-01-28

    申请号:US09900635

    申请日:2001-07-06

    IPC分类号: F02N1100

    摘要: A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the number of iterations, and is useful regardless of whether the permanent magnet turbogenerator/motor is in a grid connect mode or a standalone mode, and regardless of how the fatal fault originates or is detected. Additional control logic is utilized to handle grid transients and over load conditions to prevent a fatal fault from occurring by using time constraints and an iterative process, together with a brake resistor to control DC bus voltage.

    摘要翻译: 一种在检测到致命故障时自动重启永磁涡轮发电机/电机的方法和系统。 自动重启逻辑包括时间限制和迭代次数的限制,无论永磁式涡轮发电机/电机是处于电网连接模式还是独立模式,无论发生故障还是检测到故障,都是有用的。 利用额外的控制逻辑来处理电网瞬变和过载状况,以通过使用时间限制和迭代过程以及制动电阻来控制直流母线电压来防止发生致命故障。

    Combustion control method and system
    6.
    发明授权
    Combustion control method and system 有权
    燃烧控制方法和系统

    公开(公告)号:US06274945B1

    公开(公告)日:2001-08-14

    申请号:US09459719

    申请日:1999-12-13

    IPC分类号: F01D1510

    摘要: A multi-injector combustion system in which a brake resistor is utilized to provide a minimum load for the combustor system during idle or low power operation of the permanent magnet turbogenerator/motor and also to absorb power during transients to prevent flame out of the combustor. In addition, during single injector operation, a relighting method and system are provided to relight the combustor and prevent the necessity of a complete shutdown of the system. The method and system includes switching between the multiple injectors to find the most stable injector in single injector operation.

    摘要翻译: 一种多喷射器燃烧系统,其中制动电阻器用于在永久磁铁涡轮发电机/电动机的空转或低功率运行期间为燃烧器系统提供最小负载,并且还用于在瞬变期间吸收动力以防止燃烧器熄火。 另外,在单个喷射器操作期间,提供了一种重新点燃的方法和系统以重新燃烧燃烧器,并且防止系统完全关闭的必要性。 该方法和系统包括在多个喷射器之间切换以在单个喷射器操作中找到最稳定的喷射器。

    Dc/ac inverter apparatus for three-phase and single-phase motors
    7.
    发明授权
    Dc/ac inverter apparatus for three-phase and single-phase motors 失效
    用于三相和单相电机的Dc / ac逆变器装置

    公开(公告)号:US06232742B1

    公开(公告)日:2001-05-15

    申请号:US08284160

    申请日:1994-08-02

    IPC分类号: H02P528

    CPC分类号: H02M3/1563 Y02E10/56

    摘要: Electrical power apparatus is disclosed for selectively powering either a three-phase ac motor or a single-phase ac motor. A dc/ac inverter is configured to provide appropriately phased input signals to the three input terminals of whichever motor is being driven, with no substantial hardware reconfiguration being required. In addition, a special clamp circuit prevents an excessively high voltage from being applied to the inverter by a variable-voltage power source such as a photovoltaic array, whereby the inverter need not be sized to accommodate voltage levels substantially greater than its design voltage.

    摘要翻译: 公开了用于选择性地为三相交流电动机或单相交流电动机供电的电力装置。 一个直流/交流逆变器被配置为向无论哪个电动机被驱动的三个输入端子提供适当的定相输入信号,而不需要大量的硬件重新配置。 此外,特殊的钳位电路通过诸如光伏阵列的可变电压电源防止过高的电压施加到逆变器,由此逆变器不需要调整大小以适应比其设计电压显着更大的电压水平。

    Electrical power regulator
    8.
    发明授权
    Electrical power regulator 失效
    电力调节器

    公开(公告)号:US5914590A

    公开(公告)日:1999-06-22

    申请号:US963577

    申请日:1997-11-06

    IPC分类号: H02M3/156 G05F1/56

    CPC分类号: H02M3/1563 Y02E10/56

    摘要: Electrical power apparatus is disclosed for selectively powering either a three-phase ac motor or a single-phase ac motor. A dc/ac inverter is configured to provide appropriately phased input signals to the three input terminals of whichever motor is being driven, with no substantial hardware reconfiguration being required. In addition, a special clamp circuit prevents an excessively high voltage from being applied to the inverter by a variable-voltage power source such as a photovoltaic array, whereby the inverter need not be sized to accommodate voltage levels substantially greater than its design voltage.

    摘要翻译: 公开了用于选择性地为三相交流电动机或单相交流电动机供电的电力装置。 一个直流/交流逆变器被配置为向无论哪个电动机被驱动的三个输入端子提供适当的定相输入信号,而不需要大量的硬件重新配置。 此外,特殊的钳位电路通过诸如光伏阵列的可变电压电源防止过高的电压施加到逆变器,由此逆变器不需要调整大小以适应比其设计电压显着更大的电压水平。

    System and method for dual mode control of a turbogenerator/motor

    公开(公告)号:US06664654B2

    公开(公告)日:2003-12-16

    申请号:US10158095

    申请日:2002-05-29

    IPC分类号: H02P900

    摘要: A method of controlling a permanent magnet turbogenerator/motor includes providing a protected load connected in parallel with the turbogenerator/motor through a pulse width modulated inverter configured in a first operating mode to supply controlled current from the turbogenerator/motor to a utility electrical power source, and selectively connected to the utility electrical power source through an isolation device, monitoring the utility electrical power source, and automatically disconnecting the protected load from the utility electrical power source while reconfiguring the pulse width modulated inverter in a second operating mode to supply controlled voltage to the protected load when a fault is detected in the utility electrical power source. The present invention provides an external or integrated dual mode controller which can be used to provide automatic transitions of a turbogenerator/motor between grid-connected modes where a PWM inverter provides a controlled AC current source to stand-alone modes where the PWM inverter provides a controlled AC voltage source to a protected load. Three phase rotation sequence can be set to positive or negative rotation, or be set to the last measured rotation for the utility grid to enable automatic transitions from stand-alone to grid-connect modes. In addition, the present invention provides for detecting a reference phase angle of the three-phase power provided by a utility grid such that gradual synchronization/resynchronization of a protected parallel connected load can be performed by appropriately controlling the PWM inverter prior to re-connection to the utility grid.

    Automatic turbogenerator restarting method and system
    10.
    发明授权
    Automatic turbogenerator restarting method and system 有权
    自动涡轮发电机重启方法及系统

    公开(公告)号:US06552440B2

    公开(公告)日:2003-04-22

    申请号:US09900246

    申请日:2001-07-06

    IPC分类号: H02P900

    摘要: A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the number of iterations, and is useful regardless of whether the permanent magnet turbogenerator/motor is in a grid connect mode or a standalone mode, and regardless of how the fault originates or is detected. Additional control logic is utilized to handle grid transients and over load conditions to prevent a fatal fault from occurring by using time constraints and an iterative process, together with a brake resistor to control DC bus voltage.

    摘要翻译: 一种在检测到致命故障时自动重启永磁涡轮发电机/电机的方法和系统。 自动重启逻辑包括时间约束和迭代次数的限制,无论永磁式涡轮发电机/电动机是处于电网连接模式还是独立模式,无论故障的发生或发生如何,都是有用的。 利用额外的控制逻辑来处理电网瞬变和过载状况,以通过使用时间限制和迭代过程以及制动电阻来控制直流母线电压来防止发生致命故障。