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    • 8. 发明公开
    • SUPERCHARGING SYSTEM, CONTROL DEVICE FOR SUPERCHARGING SYSTEM, AND METHOD FOR OPERATING SUPERCHARGING SYSTEM
    • 增压系统,增压系统的控制装置以及增压系统的操作方法
    • EP3228841A1
    • 2017-10-11
    • EP15879989.0
    • 2015-01-30
    • Mitsubishi Heavy Industries, Ltd.
    • YAMASHITA, YukioKUBO, HiroyoshiGOTO, MitsufumiSAKAMOTO, Musashi
    • F02B39/10F02B37/24
    • F02B37/24F02B37/004F02B37/013F02B37/10F02B39/10Y02T10/144
    • A supercharging system includes: a first supercharger including a first compressor for compressing air to be supplied to an engine; a second supercharger including a second compressor for further compressing air compressed by the first compressor; and a controller for controlling the first supercharger and the second supercharger. At least one of the first supercharger or the second supercharger further includes an electric motor for driving the first compressor or the second compressor. At least one of the first supercharger or the second supercharger further includes a turbine configured to be rotary driven by exhaust gas from the engine, and a nozzle vane configured to adjust a flow-path area of the exhaust gas flowing into the turbine. The controller includes: an electric motor control part configured to, if an amount of charge of a battery for supplying electric power to the electric motor is less than a first threshold, set an upper limit value of an output command value for the electric motor to be lower than when the amount of charge of the battery is not less than the first threshold, or switch operation of the electric motor to regenerative operation; and a vane control part configured to, if the amount of charge of the battery is less than the first threshold, control an opening degree of the nozzle vane so that the flow-path area decreases with a control of the electric motor by the electric motor control part.
    • 增压系统包括:第一增压器,其包括用于压缩要供应到发动机的空气的第一压缩机; 第二增压器,其包括用于进一步压缩由第一压缩机压缩的空气的第二压缩机; 以及用于控制第一增压器和第二增压器的控制器。 第一增压器或第二增压器中的至少一个还包括用于驱动第一压缩机或第二压缩机的电动机。 第一增压器或第二增压器中的至少一个还包括构造成由来自发动机的排气旋转驱动的涡轮以及构造成调节流入涡轮的排气的流路面积的喷嘴叶片。 控制器包括:电动机控制部分,其被配置为如果用于向电动机供应电力的电池的充电量小于第一阈值,则将用于电动机的输出命令值的上限值设置为 比电池的充电量不小于第一阈值时低,或者将电动机的操作切换至再生操作; 以及叶片控制部,其在所述电池的充电量小于所述第一阈值的情况下,通过所述电动机的电动机的控制,控制所述喷嘴叶片的开度,使得所述流路面积减少 控制部分。
    • 9. 发明公开
    • SUPERCHARGER AND SHIP
    • AUFLADER UND SCHIFF
    • EP2982844A1
    • 2016-02-10
    • EP15755148.2
    • 2015-02-20
    • Mitsubishi Heavy Industries, Ltd.
    • YAMASHITA, YukioSAKAMOTO, MusashiONO, YoshihisaSHIRAISHI, Keiichi
    • F02B37/10F02B37/00H02P21/00H02P27/04
    • F02B39/10F02B37/10F02D41/0007F02D2041/1409H02P21/141H02P21/18H02P27/06Y02T10/144
    • A hybrid turbocharger (10) includes a first power conversion unit (12) that has a function by which direct-current power is converted into alternating-current power and is output to a generator motor (30), a smoothing capacitor (18) that is provided between direct-current buses, and a control unit (40) that controls the first power conversion unit (12) so as to cause actual generator motor speed to comply with an engine speed command of the generator motor (30) input from an upstream controller during a motoring operation of the generator motor (30). The control unit (40) changes the engine speed command to a value which is equal to or greater than the actual generator motor speed when the engine speed command of the generator motor (30) is less than the actual generator motor speed and a direct-current bus voltage is equal to or greater than a predetermined first threshold value during the motoring operation of the generator motor (30). Accordingly, the direct-current bus voltage can be prevented from increasing during the motoring operation of the generator motor.
    • 混合式涡轮增压器(10)包括具有将直流电力转换为交流电力并被输出到发电电动机(30)的功能的第一电力转换单元(12),平滑电容器(18),其中, 设置在直流总线和控制单元(40)之间,控制单元(40)控制第一电力转换单元(12),以使实际的发电机电动机速度符合从发电机电动机(30)输入的发动机转速指令 在发电电动机(30)的电动操作期间的上游控制器。 当发电机电动机(30)的发动机转速指令小于实际发电机电动机速度时,控制单元(40)将发动机转速指令改变为等于或大于实际发电机电动机速度的值, 在发电电动机(30)的电动运转期间,当前总线电压等于或大于预定的第一阈值。 因此,可以防止在发电机电动机的电动操作期间直流总线电压增加。