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    • 1. 发明申请
    • SYSTEM FOR CONTROLLING A COMBUSTION PROCESS FOR A GAS TURBINE
    • 用于控制燃气涡轮机燃烧过程的系统
    • WO2008052867A1
    • 2008-05-08
    • PCT/EP2007/060807
    • 2007-10-11
    • ALSTOM TECHNOLOGY LTDZHANG, Xiao-YiSPITZMÜLLER, TobiasBERNERO, Stefano
    • ZHANG, Xiao-YiSPITZMÜLLER, TobiasBERNERO, Stefano
    • F02C9/28F02C9/34F23R3/26F23R3/34
    • F23N5/003F02C9/24F02K7/02F05D2270/082F05D2270/083F05D2270/301F23N5/16F23N2041/20F23R2900/00013
    • A system (S) for controlling nitrogen oxide (NOx) emissions and combustion pulsation levels of a gas turbine having a gas turbine combustion system comprising a single combustion chamber and multiple burners. The system (S) comprises a cascade structure having a first and second control level (1, 2), the first (1) comprising means to control NOx emissions and generate combustion pulsation target levels based on the difference between measured and target NOx emission levels, and the second (2) comprising means to control pulsation levels and generate a ratio (γ) of fuel flow to different types of burners or to different stages of each burner. The fuel flow ratio (γ) is based on the difference between the measured and generated target pulsation levels. The control system (S) enables the operation of a gas turbine to meet NOx emission requirements, while maintaining combustion pulsation levels within limits that ensure improved lifetime of the combustion system.
    • 一种用于控制具有包括单个燃烧室和多个燃烧器的燃气轮机燃烧系统的燃气轮机的氮氧化物(NOx)排放和燃烧脉动水平的系统(S)。 系统(S)包括具有第一和第二控制水平(1,2)的级联结构,第一(1)包括控制NOx排放并基于测量和目标NOx排放水平之间的差异产生燃烧脉动目标水平的装置 ,并且第二(2)包括控制脉动水平并产生燃料流到不同类型燃烧器或每个燃烧器的不同级的比率(α)的装置。 燃料流量比(α)基于测量和产生的目标脉动水平之间的差异。 控制系统(S)使得燃气轮机的操作能够满足NOx排放要求,同时将燃烧脉动水平保持在限制范围内,以确保燃烧系统的寿命提高。