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    • 7. 发明公开
    • CONTROL DEVICE AND CONTROL METHOD
    • 控制装置和控制方法
    • EP3078837A1
    • 2016-10-12
    • EP14898782.9
    • 2014-07-31
    • Mitsubishi Heavy Industries, Ltd.Mitsubishi Heavy Industries Compressor Corporation
    • NAKAGAWA, YosukeYONEMURA, NaotoJAHAMI, Kazuhiro
    • F02C9/46F02C9/26F04B49/06F04B49/08F04D27/00
    • F02C9/46F02C3/22F02C7/22F04D27/0207F04D27/0223F04D27/0246F05D2220/32F05D2270/091F05D2270/101F05D2270/3013
    • A control device (101) that controls a fuel gas supply system (100) that comprises: a compressor (1) that supplies compressed fuel gas to a load apparatus (15); an inflow amount regulating means (5) that regulates the amount of fuel gas that flows into the compressor (1); and an anti-surge valve (7) that is for returning to an inlet side of the compressor (1) fuel gas that is discharged from the compressor (1). The control device (101) comprises: a main pressure-control unit (101a) that controls the inflow amount regulating means (5) and the anti-surge valve (7) on the basis of a feedforward control value that is generated on the basis of the load of the load apparatus (15) and of a prescribed conversion process, and on the basis of a feedback control value that is generated on the basis of the deviation between a set value and a measured value for the discharge pressure of the compressor (1); and an emergency pressure-control unit (101b) that calculates a bias-added control value that is found by adding a predetermined bias value to an anti-surge valve control value that is for controlling the anti-surge valve (7) and that is calculated on the basis of at least one of the feedforward control value and the feedback control value, and that, on the basis of the occurrence of load variations that are at or above a prescribed value, switches between the anti-surge control value and the bias-added control value and controls the anti-surge valve (7).
    • 1。一种燃料气体供给系统(100)的控制装置(101),其特征在于,具备:压缩机(1),其向负载装置(15)供给压缩后的燃料气体; 流入量调节装置(5),其调节流入压缩机(1)的燃气量; 和用于使从压缩机(1)排出的燃料气体返回压缩机(1)的入口侧的防喘振阀(7)。 控制装置(101)包括:主压力控制单元(101a),其基于在该基础上产生的前馈控制值来控制流入量调节装置(5)和防喘振阀(7) (15)的负载和规定的转换过程,并且基于根据压缩机的排出压力的设定值和测量值之间的偏差产生的反馈控制值 (1); 以及应急压力控制部(101b),该应急压力控制部(101b)计算将规定的偏置值与用于控制防喘振阀(7)的防喘振阀控制值相加而得到的偏置相加控制值, 根据所述前馈控制值和所述反馈控制值中的至少一个来计算,并且基于处于或高于规定值的负载变化的发生,在所述防喘振控制值与所述反馈控制值之间进行切换, 偏置增加控制值并控制防喘振阀(7)。