METHOD AND SYSTEM FOR POWER PLANT BLOCK LOADING
    11.
    发明申请
    METHOD AND SYSTEM FOR POWER PLANT BLOCK LOADING 有权
    发电厂块装载方法与系统

    公开(公告)号:US20090112374A1

    公开(公告)日:2009-04-30

    申请号:US11927883

    申请日:2007-10-30

    IPC分类号: H02J13/00

    摘要: Block loading may occur during the process of restoring an electrical grid after a blackout. A method and system for coordinating the loading of a combined cycle power plant to support block loading is provided. The power plant may include a gas turbine and a steam turbine. The method and system may provide load control loops, for the gas and steam turbine, which support block loading.

    摘要翻译: 在停电后恢复电网的过程中可能发生块装载。 提供了一种用于协调联合循环发电厂的负载以支持块装载的方法和系统。 发电厂可以包括燃气轮机和汽轮机。 该方法和系统可以为气体和汽轮机提供负载控制回路,其支持块装载。

    Power plant and control method
    12.
    发明授权
    Power plant and control method 有权
    发电厂和控制方法

    公开(公告)号:US08245493B2

    公开(公告)日:2012-08-21

    申请号:US13217727

    申请日:2011-08-25

    申请人: Karl Dean Minto

    发明人: Karl Dean Minto

    IPC分类号: F02C7/08

    摘要: Ambient air is compressed into a compressed ambient gas flow with a main air compressor. The compressed ambient gas flow having a compressed ambient gas flow rate is delivered to a turbine combustor and mixed with a fuel stream having a fuel stream flow rate and a portion of a recirculated gas flow to form a combustible mixture. The combustible mixture is burned and forms the recirculated gas flow that drives a turbine. The recirculated gas flow is recirculated from the turbine to the turbine compressor using a recirculation loop. At least one emission level is measured by at least a first emission sensor in the recirculated gas flow and at least a first control signal is generated. The fuel stream flow rate is adjusted based on the at least a first control signal to achieve substantially stoichiometric combustion.

    摘要翻译: 环境空气用主空气压缩机压缩成压缩的环境气流。 具有压缩的环境气体流速的压缩环境气流被输送到涡轮机燃烧器并与具有燃料流量流和一部分再循环气流的燃料流混合以形成可燃混合物。 可燃混合物被燃烧并形成驱动涡轮机的再循环气流。 使用循环回路将再循环的气体流从涡轮再循环到涡轮压缩机。 至少一个排放水平由再循环气流中的至少第一发射传感器测量,并且至少产生第一控制信号。 基于至少第一控制信号来调整燃料流量流,以实现基本上化学计量的燃烧。

    Mechanical drive train for testing full scale compressor rigs and gas turbines
    13.
    发明授权
    Mechanical drive train for testing full scale compressor rigs and gas turbines 有权
    用于测试全尺寸压缩机钻机和燃气轮机的机械传动系

    公开(公告)号:US08191410B2

    公开(公告)日:2012-06-05

    申请号:US12549670

    申请日:2009-08-28

    IPC分类号: G01M15/14

    CPC分类号: G01M15/14

    摘要: A mechanical drive train for testing a full scale compressor rig is disclosed. The drive train can include an electric motor, a gear box, and a gas turbine. The compressor rig is coupled to the drive train between the gear box and gas turbine. The drive train can further include a torque converter for transferring torque from the electric motor to the compressor rig. The drive train is configured to test a full scale compressor rig over the entire speed and load operating range, allowing for full compressor mapping from choke to stall at full load, part load (power turn down) and partial speed conditions. The drive train can also be used to test a compressor rig or gas turbine over the full range of operability for the compressor rig or gas turbine without having to connect the gas turbine to the power grid at the power generation site.

    摘要翻译: 公开了一种用于测试全尺寸压缩机钻机的机械传动系。 传动系可以包括电动马达,齿轮箱和燃气轮机。 压缩机装置联接到齿轮箱和燃气轮机之间的传动系。 传动系可以进一步包括用于将扭矩从电动机传递到压缩机机架的变矩器。 传动系统配置为在整个速度和负载运行范围内测试全尺寸压缩机,可以在满载,部分负载(电源关闭)和部分转速条件下完全压缩机从扼流圈映射到失速。 传动系统还可用于在压缩机钻机或燃气轮机的全部可操作性范围内测试压缩机钻机或燃气轮机,而无需将燃气轮机连接到发电站点的电网。

    Methods and Systems for Neural Network Modeling of Turbine Components
    14.
    发明申请
    Methods and Systems for Neural Network Modeling of Turbine Components 失效
    涡轮组件神经网络建模方法与系统

    公开(公告)号:US20100100248A1

    公开(公告)日:2010-04-22

    申请号:US11971022

    申请日:2008-01-08

    IPC分类号: G05B13/04 G06F1/26 G06N3/02

    摘要: Embodiments of the invention can include methods and systems for controlling clearances in a turbine. In one embodiment, a method can include applying at least one operating parameter as an input to at least one neural network model, modeling via the neural network model a thermal expansion of at least one turbine component, and taking a control action based at least in part on the modeled thermal expansion of the one or more turbine components. An example system can include a controller operable to determine and apply the operating parameters as inputs to the neural network model, model thermal expansion via the neural network model, and generate a control action based at least in part on the modeled thermal expansion.

    摘要翻译: 本发明的实施例可以包括用于控制涡轮机中的间隙的方法和系统。 在一个实施例中,一种方法可以包括将至少一个操作参数应用于至少一个神经网络模型的输入,经由神经网络模型建模至少一个涡轮机部件的热膨胀,以及至少基于 部分是一个或多个涡轮机部件的模型化热膨胀。 示例系统可以包括控制器,其可操作以确定和应用操作参数作为神经网络模型的输入,经由神经网络模型的模型热膨胀,以及至少部分地基于所建模的热膨胀产生控制动作。

    Single loop attemperation control
    16.
    发明授权
    Single loop attemperation control 有权
    单环调温控制

    公开(公告)号:US08733104B2

    公开(公告)日:2014-05-27

    申请号:US12408741

    申请日:2009-03-23

    IPC分类号: F01K7/34 F02C6/00

    CPC分类号: F22G5/12

    摘要: A heat recovery steam generation system is provided. The heat recovery steam generation system includes at least one superheater in a steam path for receiving a steam flow and configured to produce a superheated steam flow. The system also includes an inter-stage attemperator for injecting an attemperation fluid into the steam path. The system further includes a control valve coupled to the inter-stage attemperator. The control valve is configured to control flow of attemperation fluid to the inter stage attemperator. The system also includes a controller coupled to the control valve and the inter-stage attemperator. The controller further includes a feedforward controller and a trimming feedback controller. The feedforward controller is configured to determine a desired amount of flow of the attemperation fluid and the trimming feedback controller is configured to compensate for inaccuracies in the determined amount of flow of the attemperation fluid to determine a net desired amount of flow of attemperation fluid through the control valve into an inlet of the inter-stage attemperator based upon an outlet temperature of steam from the superheater. The controller also determines a control valve demand based upon the flow to valve characteristics. The controller further manipulates the control valve of the inter-stage attemperator, and injects the desired amount of attemperation flow via the inter-stage attemperator to perform attemperation upstream of an inlet into the superheater.

    摘要翻译: 提供了一种热回收蒸汽发生系统。 热回收蒸汽发生系统包括在蒸汽通道中的至少一个过热器,用于接收蒸汽流并被配置成产生过热蒸汽流。 该系统还包括一个阶段调温器,用于将调温液注入到蒸汽通道中。 该系统还包括耦合到级间调温器的控制阀。 控制阀配置成控制温度调节器流向阶段调温器的流量。 该系统还包括耦合到控制阀和级间调温器的控制器。 控制器还包括前馈控制器和修整反馈控制器。 前馈控制器被配置为确定调节流体的期望流量,并且修剪反馈控制器被配置为补偿所确定的温度流体的流量的不准确度,以确定通过所述调节流体的调节流体的净期望量 控制阀基于来自过热器的蒸汽的出口温度进入阶段温度调节器的入口。 控制器还基于阀门特性的流量来确定控制阀的需求。 控制器进一步操纵阶段温度调节器的控制阀,并通过级间调温器注入所需量的温度调节器,以便在进入过热器的入口的上游进行调温。

    POWER PLANT AND CONTROL METHOD
    17.
    发明申请
    POWER PLANT AND CONTROL METHOD 有权
    电厂和控制方法

    公开(公告)号:US20120023960A1

    公开(公告)日:2012-02-02

    申请号:US13217727

    申请日:2011-08-25

    申请人: Karl Dean Minto

    发明人: Karl Dean Minto

    IPC分类号: F02C9/26

    摘要: Ambient air is compressed into a compressed ambient gas flow with a main air compressor. The compressed ambient gas flow having a compressed ambient gas flow rate is delivered to a turbine combustor and mixed with a fuel stream having a fuel stream flow rate and a portion of a recirculated gas flow to form a combustible mixture. The combustible mixture is burned and forms the recirculated gas flow that drives a turbine. The recirculated gas flow is recirculated from the turbine to the turbine compressor using a recirculation loop. At least one emission level is measured by at least a first emission sensor in the recirculated gas flow and at least a first control signal is generated. The fuel stream flow rate is adjusted based on the at least a first control signal to achieve substantially stoichiometric combustion.

    摘要翻译: 环境空气用主空气压缩机压缩成压缩的环境气流。 具有压缩的环境气体流速的压缩环境气流被输送到涡轮机燃烧器并与具有燃料流量流和一部分再循环气流的燃料流混合以形成可燃混合物。 可燃混合物被燃烧并形成驱动涡轮机的再循环气流。 使用循环回路将再循环的气体流从涡轮再循环到涡轮压缩机。 至少一个排放水平由再循环气流中的至少第一发射传感器测量,并且至少产生第一控制信号。 基于至少第一控制信号来调整燃料流量流,以实现基本上化学计量的燃烧。

    CONTROL OF COMPRESSION SYSTEM WITH INDEPENDENTLY ACTUATED INLET GUIDE AND/OR STATOR VANES
    19.
    发明申请
    CONTROL OF COMPRESSION SYSTEM WITH INDEPENDENTLY ACTUATED INLET GUIDE AND/OR STATOR VANES 有权
    具有独立执行的入口指南和/或定期视窗的压缩系统的控制

    公开(公告)号:US20120259528A1

    公开(公告)日:2012-10-11

    申请号:US13083056

    申请日:2011-04-08

    申请人: Karl Dean Minto

    发明人: Karl Dean Minto

    IPC分类号: F02C9/00

    摘要: A compression system includes a compressor with adjustable inlet guide vanes (IGVs) and variable stator vanes (VSVs) that are adjustable independently of each other. IGV and VSV control units produce respective IGV and VSV reference commands responsive to respective first and second inputs that may be responsive to measured properties of the compression system. The second input may be provided by a model of the compressor or of the compression system responsive to measured properties. The second input may particularly be an estimate of a property not directly observable, such as stall margin or efficiency.

    摘要翻译: 压缩系统包括具有可调节入口导向叶片(IGV)的压缩机和可独立调节的可变定子叶片(VSV)。 IGV和VSV控制单元产生响应于相应的第一和第二输入的IGV和VSV参考命令,其可以响应于压缩系统的测量属性。 第二输入可以由压缩机或压缩系统的模型提供,以响应于测量的属性。 第二输入可以特别地是不能直接观察到的属性的估计,例如失速余量或效率。

    System and method for controlling liquid level in a vessel
    20.
    发明授权
    System and method for controlling liquid level in a vessel 有权
    用于控制容器中液位的系统和方法

    公开(公告)号:US08757105B2

    公开(公告)日:2014-06-24

    申请号:US12329753

    申请日:2008-12-08

    IPC分类号: F22D5/26

    摘要: A level control system for controlling a liquid level in a vessel containing a two-phase fluid includes a plurality of sensors configured to measure parameters related to the vessel. The parameters include liquid level in the vessel, vapor flow rate leaving the vessel, pressure in the vessel, temperature of the vessel, and feed-liquid flow rate entering the vessel indicative of a state of the vessel. A predictive controller is configured to receive output signals from the plurality of sensors and predict a volume of liquid over a predetermined time period in the vessel based on output signals from the plurality of sensors and a variation in pressure, thermal load, or combinations thereof in the vessel. The controller is configured to generate a liquid level set point of the vessel based on the predicted volume of liquid in the vessel; and further control a liquid level in the vessel based on the generated liquid level set point by manipulating one or more control elements coupled to the vessel.

    摘要翻译: 用于控制包含两相流体的容器中的液位的液位控制系统包括多个传感器,其构造成测量与该容器有关的参数。 这些参数包括容器中的液位,离开容器的蒸汽流速,容器中的压力,容器的温度以及进入容器的进料液体流量,指示容器的状态。 预测控制器被配置为接收来自多个传感器的输出信号,并且基于来自多个传感器的输出信号和压力,热负载或其组合的变化来预测容器中预定时间段内的液体体积 船只。 控制器被配置为基于容器中的液体的预测体积来产生容器的液位设定点; 并且通过操纵连接到容器的一个或多个控制元件,基于产生的液位设定点进一步控制容器中的液位。