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    • 65. 发明授权
    • Methods and systems for enhancing control of power plant generating units
    • 增强发电机组控制的方法和系统
    • US09404426B2
    • 2016-08-02
    • US14555130
    • 2014-11-26
    • General Electric Company
    • Lisa Anne WichmannAchalesh Kumar PandeyChristopher Michael Raczynski
    • F01K13/02F02C9/50F01D21/00
    • F02C9/50F01D21/003F05D2260/81F05D2260/82F05D2260/821
    • A control method for optimizing an operation of a power plant having generating units during a selected operating period subdivided so to include regular intervals within which each of the generating units comprises one of an on-condition and an off-condition. The control method may include: determining a preferred case for each of the competing operating modes for the intervals; based upon the preferred cases, selecting proposed turndown operating sequences for the selected operating period; determining a shutdown operation for each of the generating units comprising the off-condition for one or more intervals during the selected operating period and, therefrom, calculating a shutdown economic outcome; determining a turndown operation for each of the generating units comprising the on-condition for one or more intervals during the selected operating period and, therefrom, calculating a turndown economic outcome; calculating a sequence economic outcome for each of the proposed turndown operating sequences; and comparing the sequence economic outcomes.
    • 一种用于优化在所选择的操作周期内具有生成单元的发电厂的操作的控制方法,所述操作周期被细分为包括规则间隔,其中每个发电单元包括接通状态和关闭状态之一。 控制方法可以包括:为间隔的每个竞争操作模式确定优选情况; 基于优选的情况,选择所选择的操作期间的提议的下降操作序列; 确定每个所述发电单元的关闭操作,所述发电单元包括在所选择的运行期间内的一个或多个间隔的关闭状态,并且由此计算关闭经济结果; 确定在所选择的运行期间内包括所述接通状态的每个所述发电单元的一个或多个间隔的下降操作,并且由此计算调低经济结果; 计算每个拟议的下调操作序列的序列经济结果; 并比较序列经济结果。
    • 68. 发明申请
    • APPLICATION OF PROBABILISTIC CONTROL IN LIQUID-FUELED GAS TURBINE TUNING, RELATED CONTROL SYSTEMS, COMPUTER PROGRAM PRODUCTS AND METHODS
    • 液体燃料涡轮调谐中的概率控制的应用,相关控制系统,计算机程序产品和方法
    • US20160138470A1
    • 2016-05-19
    • US14546504
    • 2014-11-18
    • General Electric Company
    • Lewis Berkley Davis, JR.Harold Lamar Jordan, JR.Rex Allen MorganRaub Warfield Smith
    • F02C3/30F02C7/22F02C9/26
    • F02C3/305F02C9/26F02C9/48F05D2260/821F05D2270/44
    • Various embodiments include a system having: at least one computing device configured to tune a set of gas turbines (GTs) by performing actions including: commanding each GT in the set of GTs to a base load level, based upon a measured ambient condition for each GT; commanding each GT in the set of GTs to adjust a respective output to match a nominal mega-watt power output value, and subsequently measuring an actual fuel flow value and an actual emissions value for each GT; adjusting at least one of a fuel flow or a water flow for each GT to an adjusted water/fuel ratio in response to the actual emissions value deviating from an emissions level associated with the base load level, while maintaining the respective adjusted output; and adjusting an operating condition of each GT in the set of GTs based upon a difference between the respective measured actual fuel flow value and a nominal fuel flow value at the ambient condition, while maintaining the adjusted water/fuel ratio.
    • 各种实施例包括一种系统,其具有:至少一个计算装置,其配置成通过执行动作来调节一组燃气轮机(GT),所述动作包括:基于每个所测量的环境条件,将所述GT组中的每个GT命令为基本负载水平 GT 命令GT中的每个GT调整相应的输出以匹配标称兆瓦功率输出值,随后测量每个GT的实际燃料流量值和实际排放值; 响应于偏离与基本负载水平相关联的排放水平的实际排放值,将每个GT的燃料流量或水流中的至少一个调节到调整的水/燃料比,同时保持相应的调节输出; 并且在维持调整后的水/燃料比的同时,基于各个测量的实际燃料流量值与环境条件下的标称燃料流量值之差来调整GT组中的每个GT的运行状况。
    • 69. 发明申请
    • MODEL-BASED FEED FORWARD APPROACH TO COORDINATED AIR-FUEL CONTROL ON A GAS TURBINE
    • 基于模型的进料方法对气体涡轮机协调的空气燃料控制
    • US20150240726A1
    • 2015-08-27
    • US14190181
    • 2014-02-26
    • General Electric Company
    • Jonathan York SmithJohn Rogers HueyPrabhanjana Kalya
    • F02C9/22
    • F02C9/22F02C9/00F05D2260/821F05D2270/05F05D2270/71G05B13/042
    • Presented herein are turbine machines, turbine control systems, methods, and computer-readable storage devices for controlling turbines including a compressor, a combustion system, and a turbine section comprising a turbine operating at an initial turbine output while using initial parameter values for the respective control parameters of the turbine. The techniques involve, for respective selected control parameters, selecting an adjustment of the initial parameter value of the selected control parameter, and predicting a predicted turbine output of the turbine operated using the adjustment of the selected control parameter and the initial parameter values for other control parameters; comparing the predicted turbine outputs for the adjustments of the respective control parameters to select, from the control parameters, a target control parameter having a target adjustment that results in the target turbine output; and operating the turbine with the target adjustment of the target control parameter.
    • 这里提出的是用于控制涡轮机的涡轮机,涡轮机控制系统,方法和计算机可读存储装置,包括压缩机,燃烧系统和涡轮机部分,其包括在初始涡轮机输出处操作的涡轮机,同时使用相应的初始参数值 涡轮机的控制参数。 这些技术涉及对于各个所选择的控制参数,选择所选择的控制参数的初始参数值的调整,并且使用所选择的控制参数的调整和用于其他控制的初始参数值来预测所操作的涡轮机的预测涡轮机输出 参数; 比较预测的涡轮机输出用于各个控制参数的调整,从控制参数中选择具有导致目标涡轮机输出的目标调节的目标控制参数; 并且利用目标控制参数的目标调整来操作涡轮机。