公开(公告)号：US20140115918A1

公开(公告)日：2014-05-01

申请号：US14068665

申请日：2013-10-31

Applicant: ABB Oy

Inventor： Jorma MANNINEN ,  Timo KOIVULUOMA

IPC: F26B25/08 ,  F26B21/08

CPC classification number: F26B25/08 ,  F26B21/086 ,  H05K5/0213

Abstract: Exemplary embodiments are directed to an equipment space that is a closed space provided with electrical equipment and an air dryer condensing the moisture of the air in the equipment space into water. A system for removing water from the equipment space includes a porous element having a capillary structure and being located in an outlet opening of the equipment space. The porous element is connected such that water condensed by the air dryer is directed to a first inner surface of the porous element. The capillary structure of the porous element is configured to propogate water from the inner surface of the porous element to an outer surface of the porous element. The outer surface of the porous element is configured to release water to ambient air outside the equipment space.

Abstract translation: 示例性实施例涉及设置有设置有电气设备和将设备空间中的空气的湿气冷凝成水的空气干燥器的封闭空间的设备空间。 用于从设备空间除去水的系统包括具有毛细结构并位于设备空间的出口的多孔元件。 多孔元件连接成使得由空气干燥器冷凝的水被引导到多孔元件的第一内表面。 多孔元件的毛细结构构造成将水从多孔元件的内表面传播到多孔元件的外表面。 多孔元件的外表面构造成将水释放到设备空间外的周围空气。

公开(公告)号：US20140103885A1

公开(公告)日：2014-04-17

申请号：US14055314

申请日：2013-10-16

Applicant: ABB Oy

Inventor： Tuomas PULLI ,  Janne HELLBERG

IPC: G05F5/00

CPC classification number: G05F5/00 ,  G05F1/67 ,  H02J3/385 ,  Y02E10/58

Abstract: A method and an arrangement of tracking a selected (e.g., maximum) power point of a photovoltaic system is disclosed, in which method an operation point of the photovoltaic system is changed based on the change of operation point and a change of power generated by the photovoltaic system. The method can include repeatedly determining a current or voltage of the photovoltaic system, determining a power of the photovoltaic system, determining a change of power of the photovoltaic system with respect to a previous determined power, and changing the operation point of the photovoltaic system by changing a current or voltage reference of the system stepwise depending on the change of power and a direction of a previous change of the current or voltage reference.

Abstract translation: 公开了一种跟踪光伏系统的选定（例如，最大）功率点的方法和装置，其中光伏系统的操作点基于操作点的改变和由此产生的功率的变化而改变 光伏系统。 该方法可以包括重复地确定光伏系统的电流或电压，确定光伏系统的功率，确定光伏系统相对于先前确定的功率的功率变化，以及通过以下方式改变光伏系统的工作点 根据功率的变化和电流或电压基准的先前变化的方向逐步改变系统的电流或电压基准。

公开(公告)号：US20140090969A1

公开(公告)日：2014-04-03

申请号：US14099197

申请日：2013-12-06

Applicant: ABB Oy

Inventor： Oskari UITTO ,  Aki Suutarinen ,  Rainer Kolmonen

IPC: H01H19/02 ,  H01H1/06

CPC classification number: H01H33/12 ,  H01H1/06 ,  H01H1/2041 ,  H01H1/42 ,  H01H11/00 ,  H01H19/02 ,  H01H19/10 ,  H01H19/28 ,  H01H19/36 ,  H01H19/64 ,  H01H33/08 ,  H01H33/42 ,  Y10T29/49105

Abstract: A stationary contact for a rotary switch is provided. The stationary contact includes a connection portion for connecting to a conductor and a first portion being a contact portion for connecting the stationary contact to a rotary contact. The stationary contact also includes a second portion being a support portion for supporting the stationary contact to a switch body. The contact portion and support portion extend in the same angle from the connection portion. A method of mounting a rotary switch is also provided.

Abstract translation: 提供了用于旋转开关的固定触点。 固定触点包括用于连接到导体的连接部分和用于将固定触点连接到旋转触点的接触部分的第一部分。 固定触点还包括第二部分，其是用于将固定触点支撑到开关主体的支撑部分。 接触部分和支撑部分从连接部分以相同的角度延伸。 还提供了一种安装旋转开关的方法。

公开(公告)号：US20130336818A1

公开(公告)日：2013-12-19

申请号：US13932563

申请日：2013-07-01

Applicant: ABB Oy

Inventor： Sami KANERVA ,  Kimmo KOKKILA ,  Mikko KAJAVA

IPC: F04B17/03

CPC classification number: F04B17/03 ,  B60L2200/32 ,  B63H5/08 ,  B63H21/17

Abstract: An arrangement is disclosed for supplying propulsion power to a contra rotating propellers (CRP) propulsion system in a marine vessel, which arrangement can include a first propeller driven by a rotating power unit, and a second propeller driven by an AC motor. The second propeller can be rotated in an opposite direction relative to the first propeller, wherein an AC generator is driven by the rotating power unit and the AC generator is electrically connected to the AC motor. The rotation speed of the second propeller is between for example 95% and 150% of the rotation speed of the first propeller. The AC motor and the AC generator have the same electrical frequency. The pole number of the AC generator is from for example 2 to 40 and the pole number of the AC motor is from for example 2 to 40.

Abstract translation: 公开了一种用于向船舶中的反转旋转推进器（CRP）推进系统提供推进力的装置，该装置可包括由旋转动力单元驱动的第一螺旋桨和由AC电动机驱动的第二螺旋桨。 第二螺旋桨可以相对于第一螺旋桨在相反方向旋转，其中交流发电机由旋转动力单元驱动，交流发电机电连接到交流电动机。 第二螺旋桨的转速在第一螺旋桨的转速的例如95％至150％之间。 交流电机和交流发电机具有相同的电气频率。 交流发电机的极数例如为2〜40，交流电动机的极数为例如2〜40。

公开(公告)号：US20130321021A1

公开(公告)日：2013-12-05

申请号：US13897858

申请日：2013-05-20

Applicant: ABB Oy

Inventor： Jesse KOKKONEN ,  Janne Hellberg ,  Jari Uusimäki

IPC: G01R31/26

CPC classification number: G01R31/2607 ,  H02J3/383 ,  H02M1/36 ,  H02S50/10 ,  Y02E10/563

Abstract: A method and arrangement of determining starting conditions of a solar converter in a photovoltaic system. The photovoltaic system includes a photovoltaic panel system having one or more photovoltaic panels. The method includes determining an open circuit voltage of the photovoltaic panel system, and determining beforehand limit values for the starting conditions, where the limit values include an open circuit voltage value and a temperature value, with which values the solar converter can be started. The method also includes determining beforehand the temperature dependency of the open circuit voltage of the panel system, determining a temperature of the panel system, and setting a criterion for starting the converter. The criterion includes determining, by using the determined temperature dependency and the determined limit values for the starting conditions, whether the determined temperature and the determined open circuit voltage enable the starting of the converter.

Abstract translation: 一种在光伏系统中确定太阳能转换器起动条件的方法和装置。 光伏系统包括具有一个或多个光伏面板的光伏面板系统。 该方法包括确定光伏面板系统的开路电压，并且确定起始条件的预先极限值，其中极限值包括开路电压值和温度值，太阳能转换器可以通过该开路电压值和温度值开始。 该方法还包括事先确定面板系统的开路电压的温度依赖性，确定面板系统的温度，以及设定启动转换器的标准。 该标准包括通过使用所确定的温度依赖性和确定的启动条件的限制值来确定所确定的温度和所确定的开路电压是否能够启动转换器。

公开(公告)号：US20130297079A1

公开(公告)日：2013-11-07

申请号：US13887113

申请日：2013-05-03

Applicant: ABB OY

Inventor： Jussi TAMMINEN ,  Jero Ahola ,  Tero Ahonen ,  Simo Hammo

IPC: G05D7/06

CPC classification number: G05D7/0629 ,  F04D27/004 ,  F24F11/0001 ,  F24F11/77 ,  F24F13/02 ,  Y02B30/746

Abstract: A method includes selecting the branch of a ventilation system with the greatest pressure loss, opening a control valve in the selected branch and closing control valves in all other branches, controlling a fan to produce the desired air flow rate into the selected branch by using fan characteristic shaft power to air flow rate curves, and a shaft power estimate from the frequency converter and by adjusting the rotational speed of an electric motor to achieve the desired air flow rate, calculating the fan pressure corresponding to the desired air flow rate from fan characteristic fan pressure to air flow rate curves, saving the calculated fan pressure as a reference pressure, and adjusting the control valves in each of the remaining branches so that the desired air flow rate to each branch is delivered while the fan is controlled by the frequency converter to produce the reference pressure.

Abstract translation: 一种方法包括选择具有最大压力损失的通风系统的分支，打开所选分支中的控制阀并关闭所有其他分支中的关闭控制阀，控制风扇以通过使用风扇产生所选择的分支中的期望空气流量 特征轴功率对空气流量曲线，以及来自变频器的轴功率估计，并通过调节电动机的转速来实现所需的空气流量，从风扇特性计算对应于期望空气流量的风扇压力 风扇对空气流量曲线的压力，将计算的风扇压力保存为参考压力，并调整每个剩余分支中的控制阀，使得在风扇由变频器控制的同时传送到每个分支的期望空气流量 产生参考压力。

公开(公告)号：US20130217316A1

公开(公告)日：2013-08-22

申请号：US13762815

申请日：2013-02-08

Applicant: ABB OY

Inventor： Risto LAURILA

IPC: H05K5/02

CPC classification number: H05K5/0213 ,  H05K7/206

Abstract: An enclosure for housing electrical equipment includes a bottom part, a wall part and a roof part. The bottom part, the wall part and the roof part define an interior chamber for housing the electrical equipment. The wall part includes at least one first air channel connected to the interior chamber, and the enclosure includes at least one fan for circulating air from inside the interior chamber through the at least one first air channel. The bottom part includes at least one second air channel connected to the interior chamber, and the enclosure includes at least one fan for circulating the air from inside the interior chamber through the at least one second air channel.

Abstract translation: 用于容纳电气设备的外壳包括底部，壁部分和屋顶部分。 底部，壁部分和屋顶部分限定用于容纳电气设备的内部室。 所述壁部分包括连接到所述内部室的至少一个第一空气通道，并且所述外壳包括至少一个用于使来自所述内部室内的空气通过所述至少一个第一空气通道循环的风扇。 底部包括连接到内部室的至少一个第二空气通道，并且外壳包括至少一个风扇，用于使内部室内的空气通过至少一个第二空气通道循环。

公开(公告)号：US20130197834A1

公开(公告)日：2013-08-01

申请号：US13738480

申请日：2013-01-10

Applicant: ABB Oy

Inventor： Anssi MÄKI ,  Seppo Valkealahti

IPC: G01R21/02 ,  G06F17/00

CPC classification number: G01R21/02 ,  G05F1/67 ,  G06F17/00 ,  Y02E10/58

Abstract: A method and an arrangement are provided in connection with a photovoltaic power generator composed of series-connected photovoltaic modules. The method includes determining a maximum power point voltage (UMPP) and a maximum power point current (IMPP). The method also includes determining the ambient temperature (Tamb), calculating an estimated maximum power point voltage (Uest) by using maximum power point current (IMPP) and the determined ambient temperature (Tamb), comparing the estimated maximum power point voltage with the determined maximum power point (UMPP), and determining on the basis of the comparison whether the generator is operating under uniform conditions or in conditions with two maximum power points.

Abstract translation: 结合由串联连接的光伏模块组成的光伏发电机组提供了一种方法和装置。 该方法包括确定最大功率点电压（UMPP）和最大功率点电流（IMPP）。 该方法还包括通过使用最大功率点电流（IMPP）和所确定的环境温度（Tamb）来确定环境温度（Tamb），计算估计的最大功率点电压（Uest），将所估计的最大功率点电压与所确定的 最大功率点（UMPP），并根据比较来确定发电机是否在均匀条件下运行，或在两个最大功率点的条件下运行。

公开(公告)号：US20130185002A1

公开(公告)日：2013-07-18

申请号：US13741661

申请日：2013-01-15

Applicant: ABB Oy

Inventor： Jussi TAMMINEN ,  Tero AHONEN ,  Jero AHOLA ,  Markku NIEMELÄ

IPC: G06F17/00

CPC classification number: G06F17/00 ,  F04D15/0088 ,  F04D27/001

Abstract: A method is provided for detecting the correct rotational direction of a centrifugal apparatus. The method includes rotating the centrifugal apparatus in a first direction, acquiring first frequency data relating to the step of rotating the centrifugal apparatus in the first direction, rotating the centrifugal apparatus in a second direction, which is opposite to the first direction, and acquiring second frequency data relating to the step of rotating the centrifugal apparatus in the second direction. The method also includes detecting the correct rotational direction of the centrifugal apparatus based on comparing the first frequency data with the second frequency data, the comparison being carried out with respect to at least one significant frequency range. In each of the at least one significant frequency range, a smaller magnitude is interpreted as an indication of the correct rotational direction.

Abstract translation: 提供了一种用于检测离心装置的正确旋转方向的方法。 该方法包括：沿第一方向旋转离心装置，获取与沿第一方向旋转离心装置的步骤相关的第一频率数据，沿与第一方向相反的第二方向旋转离心装置，并获取第二频率数据 与在第二方向上旋转离心式装置的步骤相关的频率数据。 该方法还包括基于将第一频率数据与第二频率数据进行比较来检测离心装置的正确旋转方向，该比较是针对至少一个有效频率范围进行的。 在至少一个有效频率范围的每一个中，较小的幅度被解释为正确旋转方向的指示。

公开(公告)号：US20130164146A1

公开(公告)日：2013-06-27

申请号：US13728319

申请日：2012-12-27

Applicant: ABB Oy

Inventor： Jero AHOLA ,  Tero AHONEN ,  Jussi TAMMINEN

IPC: F04B49/00

CPC classification number: F04B49/00 ,  F04D13/00 ,  F04D15/0066 ,  G05B13/02

Abstract: A method and apparatus for optimizing energy efficiency of a pumping system includes at least one pump that controls a fluid level in a reservoir. The method includes a system identification stage and an energy efficiency optimization stage. The system identification stage includes determining pump characteristics for the pump, operating the pump with a range of flow rate conditions, determining a set of data points, and calculating energy efficiency optimization characteristics. The energy efficiency optimization stage includes determining a present static head value, choosing a value for a pump control parameter, and operating the pump on the pump control parameter.

Abstract translation: 用于优化泵送系统的能量效率的方法和装置包括至少一个控制储液器中的液位的泵。 该方法包括系统识别阶段和能效优化阶段。 系统识别阶段包括确定泵的泵特性，以一定范围的流量条件操作泵，确定一组数据点，以及计算能效优化特性。 能量效率优化阶段包括确定当前静态头值，选择泵控制参数的值，以及根据泵控制参数来操作泵。