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    Electric power system
    1.
    发明授权
    Electric power system 有权

    公开(公告)号：US10218271B2

    公开(公告)日：2019-02-26

    申请号：US15425096

    申请日：2017-02-06

    申请人： Visedo Oy

    发明人： Tero Jarvelainen ,  Kimmo Rauma

    IPC分类号： H02M3/158 ,  B60L11/18 ,  H02H7/12 ,  H02P27/06 ,  B60L11/00 ,  H02H1/06 ,  H02H3/087 ,  H02H3/20 ,  H02H7/26

    摘要： An electric power system includes a direct voltage rail (101), battery elements (102-104) connected with supply-converters (105-107) to the direct voltage rail, and load-converters (111-113) for converting direct voltage of the direct voltage rail into voltages suitable for loads of the electric power system, where the supply-converters and the load-converters are connected with over-current protectors (108-110, 114-116) to the direct voltage rail. The electric power system further includes a capacitor system (117) connected to the direct voltage rail and capable of supplying fault current for switching an over-current protector into a non-conductive state in response to a fault causing a voltage drop at an electrical node connected to the direct voltage rail via the over-current protector. The capacitor system may include one or more high-capacitance electric double layer capacitors. The fault current available from the capacitor system enables a selective protection.

    Device for producing a rotational position signal and a method for producing rotational position signals
    2.
    发明授权
    Device for producing a rotational position signal and a method for producing rotational position signals 有权

    公开(公告)号：US10116192B2

    公开(公告)日：2018-10-30

    申请号：US15019362

    申请日：2016-02-09

    申请人： Visedo Oy

    发明人： Risto Tiainen ,  Antti Tarkiainen ,  Matti Iskanius ,  Tero Jarvelainen

    IPC分类号： H02K29/08 ,  H02K11/225 ,  H02P6/16 ,  G01D5/20

    摘要： A device (101) for producing a position signal indicative of rotational position of a resolver is presented. The device comprises a signal transfer interface (102) for receiving first and second alternative signals, and a processing system (103) for generating the position signal on the basis of the amplitudes of the first and second alternative signals and the polarity of an excitation signal of the resolver. The device is configurable to operate in a first operational mode where a local signal generator (104) generates the excitation signal and the device transmits the excitation signal to the resolver. The device is configurable to operate also in a second operational mode where the device receives information indicative of the polarity of the excitation signal from another device. Thus, devices of the kind described above can be used in a system where many converters are driving separate windings systems of an electrical machine.

    ELECTRIC POWER SYSTEM
    3.
    发明申请
    ELECTRIC POWER SYSTEM 审中-公开

    公开(公告)号：US20170229964A1

    公开(公告)日：2017-08-10

    申请号：US15425096

    申请日：2017-02-06

    申请人： Visedo Oy

    发明人： Tero JARVELAINEN ,  Kimmo RAUMA

    IPC分类号： H02M3/158 ,  B60L11/18 ,  H02H7/12 ,  H02P27/06

    CPC分类号： H02M3/158 ,  B60L11/005 ,  B60L11/1803 ,  B60L2200/32 ,  B60L2210/40 ,  H02H1/06 ,  H02H3/087 ,  H02H3/20 ,  H02H7/12 ,  H02H7/1213 ,  H02H7/268 ,  H02P27/06 ,  Y02T10/7005 ,  Y02T10/7022 ,  Y02T10/7241

    摘要： An electric power system includes a direct voltage rail (101), battery elements (102-104) connected with supply-converters (105-107) to the direct voltage rail, and load-converters (111-113) for converting direct voltage of the direct voltage rail into voltages suitable for loads of the electric power system, where the supply-converters and the load-converters are connected with over-current protectors (108-110, 114-116) to the direct voltage rail. The electric power system further includes a capacitor system (117) connected to the direct voltage rail and capable of supplying fault current for switching an over-current protector into a non-conductive state in response to a fault causing a voltage drop at an electrical node connected to the direct voltage rail via the over-current protector. The capacitor system may include one or more high-capacitance electric double layer capacitors. The fault current available from the capacitor system enables a selective protection.

    ELECTRONIC POWER CONVERTER FOR A MOBILE WORKING MACHINE
    5.
    发明申请
    ELECTRONIC POWER CONVERTER FOR A MOBILE WORKING MACHINE 有权
    电动转换器用于移动工作机

    公开(公告)号：US20150210169A1

    公开(公告)日：2015-07-30

    申请号：US14165768

    申请日：2014-01-28

    申请人： Visedo Oy

    发明人： Antti TARKIAINEN

    IPC分类号： B60L11/14

    CPC分类号： B60L11/14 ,  B60L11/12 ,  B60L2200/40 ,  B60L2240/547 ,  B60L2240/549 ,  Y02T10/7005 ,  Y02T10/7077

    摘要： An electronic power converter includes a storage circuit (101) capable of storing electrical energy that is determined by an electrical quantity, voltage or current, of the storage circuit. The electronic power converter includes an electronic power converter stage (102) connected to the storage circuit and a regulator (103) for controlling the electronic power converter stage to regulate the electrical quantity at least partly on the basis of deviation of the electrical quantity from its reference level. The regulator is configured to weight the deviation with a first gain coefficient when the deviation is positive, and to weight the deviation with a second gain coefficient when the deviation is negative. The first gain coefficient has a value different from that of the second gain coefficient because the reference level is typically not in the middle of the allowed range of variation of the electrical quantity.

    摘要翻译： 电子功率转换器包括能够存储由存储电路的电量，电压或电流确定的电能的存储电路（101）。 电子功率转换器包括连接到存储电路的电子功率转换器级（102）和用于控制电子功率转换器级的调节器（103），其至少部分地基于电量与其的电量的偏差来调节电量 参考级别。 调节器被配置为当偏差为正时用第一增益系数对偏差进行加权，并且当偏差为负时，用第二增益系数来加权偏差。 第一增益系数具有与第二增益系数的值不同的值，因为参考电平通常不在允许的电量变化范围的中间。

    INDUCTIVE DEVICE
    6.
    发明申请
    INDUCTIVE DEVICE 审中-公开

    公开(公告)号：US20180151288A1

    公开(公告)日：2018-05-31

    申请号：US15816114

    申请日：2017-11-17

    申请人： Visedo Oy

    发明人： Mikko Piispanene ,  Matti Iskanius ,  Tero Jarvelainen ,  Anssi Suuronen

    IPC分类号： H01F27/28 ,  H01F27/32 ,  H01F27/16 ,  H01F27/245

    CPC分类号： H01F27/2895 ,  H01F27/025 ,  H01F27/16 ,  H01F27/22 ,  H01F27/245 ,  H01F27/324 ,  H01F37/00

    摘要： An inductive device includes a toroidal core and at least one electric conductor wound around the toroidal core and constituting at least one winding. The inductive device includes a cooling element constituting a cylindrical cavity that contains the toroidal core and the electric conductor so that the axial direction of the toroidal core is parallel with the axial direction of the cylindrical cavity. The shape of the cylindrical cavity and the cross-section of the electric conductor are adapted to match each other so as to improve heat transfer from the electric conductor to the wall of the cylindrical cavity. The cylindrical cavity can have for example a circular base and the electric conductor can have for example a rectangular cross-section that matches the shape of the wall of the cylindrical cavity better than a round electric conductor.

    CAPACITOR MODULE FOR A MOBILE WORKING MACHINE
    9.
    发明申请
    CAPACITOR MODULE FOR A MOBILE WORKING MACHINE 有权
    移动工作机电容器模块

    公开(公告)号：US20160066475A1

    公开(公告)日：2016-03-03

    申请号：US14832178

    申请日：2015-08-21

    申请人： Visedo Oy

    发明人： Matti ISKANIUS ,  Tero JARVELAINEN ,  Mikko PIISPANEN

    IPC分类号： H05K7/20 ,  H01G11/78 ,  B60K6/28 ,  H01G11/74

    CPC分类号： H05K7/20409 ,  B60K6/28 ,  B60L11/005 ,  B60Y2200/92 ,  B60Y2306/05 ,  H01G2/02 ,  H01G2/08 ,  H01G4/228 ,  H01G4/38 ,  H01G9/0003 ,  H01G11/12 ,  H01G11/74 ,  H01G11/78 ,  Y02E60/13 ,  Y02T10/7022 ,  Y10S903/907

    摘要： A capacitor module includes at least one capacitor element (101) and a cooling structure (103) for cooling the capacitor element. The electrical terminals (102a, 102b) of the capacitor element are mechanically connected to the cooling structure to be in heat-conductive relations with the cooling structure so that at least one of the electrical terminals of the capacitor element is mechanically connected to the cooling structure via a flexible connection element (104a, 104b) made of electrically conductive material. The flexible connection element allows the corresponding electrical terminal to move with respect to the cooling structure when the distance (D) between the electrical terminals is changing because of changes in load and/or temperature, and/or because of ageing.

    摘要翻译： 电容器模块包括用于冷却电容器元件的至少一个电容器元件（101）和冷却结构（103）。 电容器元件的电端子（102a，102b）机械地连接到冷却结构以与冷却结构导热关系，使得电容器元件的电端子中的至少一个机械地连接到冷却结构 通过由导电材料制成的柔性连接元件（104a，104b）。 当电气端子之间的距离（D）由于负载和/或温度的变化和/或老化而变化时，柔性连接元件允许相应的电端子相对于冷却结构移动。

    WORKING MACHINE
    10.
    发明申请
    WORKING MACHINE 有权
    工作机

    公开(公告)号：US20150210231A1

    公开(公告)日：2015-07-30

    申请号：US14165862

    申请日：2014-01-28

    申请人： VISEDO OY

    发明人： Ville Naumanen ,  Antti Tarkiainen ,  Risto Tiainen ,  Kimmo Rauma

    IPC分类号： B60R16/03

    CPC分类号： B60R16/03

    摘要： A working machine includes a combustion engine (101), an electromechanical power transmission chain (102) between the combustion engine and one or more actuators (109) of the working machine, an electrical connector system (103) for connecting to an external electrical power network (110), and an electronic power converter (104) for transferring electrical energy from the electromechanical power transmission chain to the external electrical power network and from the external electrical power network to the electromechanical power transmission chain. The working machine can be used as an auxiliary power plant for increasing reliability and capacity of power supply. On the other hand, the working machine can be energized merely by the external electrical power network when the capacity of the electrical power network is sufficient and when it is more cost-effective to use the electrical power network than to use the combustion engine.

    摘要翻译： 一种工作机械包括内燃机（101），内燃机与工作机的一个或多个致动器（109）之间的机电动力传递链（102），用于连接外部电力的电连接器系统（103） 网络（110）和用于将电能从机电输电链转移到外部电力网络并从外部电力网络转移到机电输电链的电子功率转换器（104）。 该工作机器可用作辅助发电厂，以提高电源的可靠性和容量。 另一方面，当电力网络的容量足够并且使用电力网络比使用内燃机更具成本效益时，工作机械只能由外部电力网络通电。