PROPULSION ARRANGEMENT IN A SHIP
    241.
    发明申请
    PROPULSION ARRANGEMENT IN A SHIP 审中-公开
    船舶推进装置

    公开(公告)号:US20140179178A1

    公开(公告)日:2014-06-26

    申请号:US14107469

    申请日:2013-12-16

    Applicant: ABB OY

    Inventor: Kimmo KOKKILA

    CPC classification number: B63H5/16 B63H5/08 B63H21/17

    Abstract: An exemplary propulsion arrangement includes at least one propulsion unit situated at the stern of a ship having a hull with a horizontal water line (WL) and a center line (CL). The propulsion unit can include a hollow support structure attached to the hull, a chamber attached to the support structure, an electric motor within the chamber, a propeller at the front end of the chamber, and a pivotably supported rudder at the rear end of the chamber. The propulsion unit can be mounted so that the shaft line (SL) forms a vertical tilt angle (α) in a range of 1 to 8 degrees in relation to the water line (WL) so that the front end of the chamber is lower than the rear end of the chamber in relation to the water line (WL).

    Abstract translation: 示例性的推进装置包括位于具有水平水线(WL)和中心线(CL)的船体的船舶的船尾处的至少一个推进单元。 推进单元可以包括附接到船体的中空支撑结构,附接到支撑结构的室,室内的电动机,在室的前端处的螺旋桨,以及位于室的后端的可枢转地支撑的舵 房间。 推进单元可以安装成使得轴线(SL)相对于水线(WL)在1至8度的范围内形成垂直倾斜角(α),使得腔室的前端低于 相对于水线(WL)的腔室的后端。

    ACTIVE CLAMP FOR A SEMICONDUCTOR SWITCH
    242.
    发明申请
    ACTIVE CLAMP FOR A SEMICONDUCTOR SWITCH 审中-公开
    半导体开关的主动钳位

    公开(公告)号:US20140063667A1

    公开(公告)日:2014-03-06

    申请号:US14020533

    申请日:2013-09-06

    Applicant: ABB OY

    Inventor: Mikko SAARINEN

    Abstract: Exemplary embodiments are directed to a method and arrangement for detecting an overvoltage of a semiconductor switch. The arrangement including a first semiconductor switch and a driver unit controlling the switch. An overvoltage is detected over the semiconductor switch, and a voltage is adjusted at a supply voltage input of the driver unit on the basis of the overvoltage.

    Abstract translation: 示例性实施例涉及用于检测半导体开关的过电压的方法和装置。 该装置包括第一半导体开关和控制开关的驱动器单元。 在半导体开关上检测出过电压,并且基于过电压将电压调节到驱动器单元的电源电压输入。

    ARRANGEMENT FOR STEERING AND SUPPLYING PROPULSION POWER TO PROPULSION SYSTEM
    243.
    发明申请
    ARRANGEMENT FOR STEERING AND SUPPLYING PROPULSION POWER TO PROPULSION SYSTEM 审中-公开
    用于向推进系统转向和供应推进动力的装置

    公开(公告)号:US20130316602A1

    公开(公告)日:2013-11-28

    申请号:US13954146

    申请日:2013-07-30

    Applicant: ABB Oy

    Inventor: Kimmo KOKKILA

    CPC classification number: B63H5/10 B63H21/17 B63H23/24 Y02T70/5236

    Abstract: An arrangement for steering and supplying propulsion power to a contra rotating propeller(s) (CRP) propulsion system in a marine vessel is disclosed. The arrangement can include a first propeller, a second propeller driven by an AC motor, and an AC generator. The AC motor and AC generator can have the same electrical frequency. Another electrical power source can be electrically connectable to the AC motor in parallel to the AC generator. A shaft of the second propeller is mounted rotatable in a support structure which is attached to a hull of the marine vessel, and a rudder is supported in a manner allowing pivotal movement of the rudder relative to the support structure.

    Abstract translation: 公开了一种用于将推进力转向并提供给船舶中的反转螺旋桨(CRP)推进系统的装置。 该装置可以包括第一螺旋桨,由AC电动机驱动的第二螺旋桨和AC发电机。 交流电机和交流发电机可以具有相同的电气频率。 另一个电源可以与AC发电机并联地电连接到AC电动机。 第二螺旋桨的轴可旋转地安装在支撑结构中,支撑结构附接到船舶的船体,并且方向舵以允许舵相对于支撑结构的枢转运动的方式支撑。

    PROPULSION SYSTEM
    244.
    发明申请
    PROPULSION SYSTEM 审中-公开
    推进系统

    公开(公告)号:US20130293003A1

    公开(公告)日:2013-11-07

    申请号:US13932509

    申请日:2013-07-01

    Applicant: ABB Oy

    Abstract: An arrangement is disclosed for supplying electric power to a propulsion system of a marine vessel having a propeller motor, which is connected to an AC generator. The AC generator supplies electric energy to the propeller motor. The AC generator is rotated by a rotating power unit. A frequency converter is electrically connectable in parallel to the AC generator and the frequency converter supplies electric power from a second power unit.

    Abstract translation: 公开了一种用于向具有连接到AC发电机的螺旋桨电动机的船舶的推进系统提供电力的装置。 交流发电机为螺旋桨电机提供电能。 交流发电机由旋转动力单元旋转。 变频器与AC发电机并联电连接,变频器从第二电源单元提供电力。

    ELECTRIC APPARATUS
    245.
    发明申请
    ELECTRIC APPARATUS 审中-公开
    电器

    公开(公告)号:US20130258598A1

    公开(公告)日:2013-10-03

    申请号:US13851617

    申请日:2013-03-27

    Applicant: ABB OY

    CPC classification number: H05K5/0213

    Abstract: The disclosure relates to an electric apparatus including an electric device which, during use, generates heat, and a housing enclosing the electric device from the surrounding environment. In order to avoid problems caused by water, the electric apparatus including a receptacle for containing a desiccant. The receptacle has an opening allowing gas to flow between an interior of the receptacle and an interior of the housing in order for the desiccant to come into contact with moisture in the housing, and the receptacle is thermally connected to the electric device for transferring heat from the electric device to the desiccant for removing moisture from the desiccant.

    Abstract translation: 本发明涉及一种电气设备,其包括在使用期间产生热量的电气设备和从周围环境包围电气设备的壳体。 为了避免由水引起的问题,电气设备包括用于容纳干燥剂的容器。 容器具有允许气体在容器的内部和壳体的内部之间流动的开口,以使干燥剂与壳体中的湿气接触,并且容器热连接到电气装置以将热量从 用于从干燥剂中除去水分的干燥剂的电子装置。

    METHOD AND APPARATUS FOR MONITORING AIR FILTER CONDITION
    246.
    发明申请
    METHOD AND APPARATUS FOR MONITORING AIR FILTER CONDITION 有权
    用于监测空气过滤器条件的方法和装置

    公开(公告)号:US20130197826A1

    公开(公告)日:2013-08-01

    申请号:US13749403

    申请日:2013-01-24

    Applicant: ABB Oy

    Abstract: A method and apparatus are disclosed for monitoring accumulation of dirt on an air filter of a ventilation system including the filter and a fan controlled by a frequency converter. An initial value for an operating parameter is determined. A present operating point is determined based on a characteristic curves, and the mechanical power and rotational speed of the fan. A present value for the operating parameter is determined based on the present operating point, and accumulation of dirt is determined on the air filter based on the initial and present values of the operating parameter.

    Abstract translation: 公开了一种用于监测包括过滤器和通过变频器控制的风扇的通风系统的空气过滤器上的污垢累积的方法和装置。 确定操作参数的初始值。 基于特性曲线以及风扇的机械功率和转速确定当前工作点。 基于当前工作点确定操作参数的当前值,并且基于操作参数的初始值和当前值在空气过滤器上确定污垢的累积。

    METHOD AND ARRANGEMENT FOR REDUCING THE AMOUNT OF CONDENSED MOISTURE INSIDE AN ENCLOSURE FOR ELECTRICAL EQUIPMENT
    247.
    发明申请
    METHOD AND ARRANGEMENT FOR REDUCING THE AMOUNT OF CONDENSED MOISTURE INSIDE AN ENCLOSURE FOR ELECTRICAL EQUIPMENT 有权
    减少电气设备内部凝结水分量的方法和装置

    公开(公告)号:US20130128454A1

    公开(公告)日:2013-05-23

    申请号:US13679009

    申请日:2012-11-16

    Applicant: ABB OY

    CPC classification number: H05K7/20 H05K5/0213

    Abstract: A method and arrangement are provided for reducing the amount of condensed moisture inside an enclosure which encloses at least one piece of electrical equipment which is configured to receive electric power from outside the enclosure in a first electrical magnitude range (0 . . . maxinput) and to feed electric power to outside the enclosure in a second electrical magnitude range (minoutput . . . maxoutput). Electric power received on at least one portion (a, b, c) of the first electrical magnitude range (0 . . . maxinput) being outside the second electrical magnitude range (minoutput . . . maxoutput) is utilized for heating the condensed moisture for exhaustion thereof.

    Abstract translation: 提供了一种方法和装置,用于减少包围至少一个电气设备的外壳内的冷凝水分的量,该电气设备被配置成在第一电气量程范围(0 ... maxinput)和 在第二个电气量程范围(最小输出... maxoutput)中将电力供电到外壳外部。 在第二电量范围(minoutput ... maxoutput)之外的第一电量范围(0 ... maxinput)的至少一部分(a,b,c)上接收的电功率用于加热冷凝水分 耗尽。

    Harmonic mitigating filter
    248.
    发明申请
    Harmonic mitigating filter 有权
    谐波缓解滤波器

    公开(公告)号:US20040066253A1

    公开(公告)日:2004-04-08

    申请号:US10266455

    申请日:2002-10-08

    Applicant: ABB Oy

    Inventor: Pasi Matti Lauri

    CPC classification number: H02M1/126 H02J3/01 Y02E40/40

    Abstract: A filter for mitigating harmonics in an electrical distribution system. In one embodiment the filter has one winding that is connected to the power distribution system which may be a three phase system and capacitors are connected to other end of the winding in either a delta or y-connection. There is one tapping on the winding for connection to a load which may an adjustable speed drive. In another embodiment the filter has two or more separate reactors. In either embodiment a switch may be in series with the capacitors and capacitors may be connected in parallel with the series combination of switch and capacitors.

    Abstract translation: 用于减轻配电系统中谐波的滤波器。 在一个实施例中,滤波器具有连接到配电系统的一个绕组,该配电系统可以是三相系统,并且电容器以三角形或y形连接的方式连接到绕组的另一端。 绕组上有一个开关连接到可调速驱动器的负载上。 在另一个实施方案中,过滤器具有两个或更多个单独的反应器。 在任一实施例中,开关可以与电容器串联,并且电容器可以与开关和电容器的串联组合并联连接。

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