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53 条记录 (耗时 0.017 秒)

    Control system of electric vehicle
    2.
    发明公开
    Control system of electric vehicle 有权
    用于电动车辆的控制系统

    公开(公告)号：EP2305509A3

    公开(公告)日：2014-04-30

    申请号：EP10251487.4

    申请日：2010-08-24

    申请人： Hitachi, Ltd.

    发明人： Oishi, Ryoichi ,  Shimada, Motomi ,  Sato, Tadanori ,  Sekine, Toshio ,  Toyota, Eiichi

    IPC分类号： B60L9/22 ,  B60L11/12 ,  B60L11/18

    CPC分类号： B60L9/22 ,  B60L11/1801 ,  B60L2200/26 ,  Y02T10/7005 ,  Y02T10/92

    摘要： The invention provides a railway vehicle comprising a switching device and an electric storage device, and when contact break between an electric power line and a power collector occurs, the switching device is activated to perform charging or discharging of the electric storage device, wherein after the vehicle recovers from the contact break state, the switching device is stopped so as to cut down fruitless consumption of energy. The control system of an electric vehicle comprises a switching signal output device composed of a DC voltage detector for detecting a voltage value of a power converter for controlling the operation of a main motor and a contact point of the switching device, a travel distance computing device for computing a travel distance of the main vehicle, and a contact break position database storing in advance the position in which contact break occurs, wherein the device predicts entry of the vehicle in a section where contact break occurs by verifying the travel distance value and the contact break position database, and outputs a switching signal. The switching device is activated or stopped based on the switching signal.

    Drive device for railway vehicle
    3.
    发明公开
    Drive device for railway vehicle 有权
    Antriebsvorrichtungfürein Eisenbahnfahrzeug

    公开(公告)号：EP2492132A2

    公开(公告)日：2012-08-29

    申请号：EP12154437.3

    申请日：2012-02-08

    申请人： Hitachi Ltd.

    发明人： Araki, Daijiro ,  Toyota, Eiichi

    IPC分类号： B60L11/00 ,  B60L7/10 ,  B60L9/22

    CPC分类号： B60L11/005 ,  B60L7/10 ,  B60L9/22 ,  B60L2200/26 ,  Y02T10/7022

    摘要： In conventional techniques, it is necessary to use a storage element having a large capacitance such as a lithium-ion battery and there are the problems of reduction in capacitance and cost of the system. Using a capacitor as a storage element, a path of a current flowing in a direction in which the capacitor is discharged is provided by a charge/discharge device in addition to a path of a current flowing in a direction in which the capacitor is charged by a high speed-range electric braking function, whereby a current corresponding to a difference in potential between a regenerative current (current flowing in the direction in which the capacitor is charged) and a chopper current from the charge/discharge device (current flowing in the direction in which the capacitor is discharged) is made to flow in the capacitor 7.

    摘要翻译： 在常规技术中，需要使用诸如锂离子电池的具有大电容的存储元件，并且存在系统的电容和成本降低的问题。 使用电容器作为存储元件，除了沿着电容器被充电的方向流动的电流的路径之外，通过充电/放电装置提供沿着电容器放电的方向流动的电流的路径 高速范围的电动制动功能，由此与再生电流（在电容器被充电的方向上流动的电流）和来自充电/放电装置的斩波电流（在 使电容器放电的方向）流过电容器7。

    Inverter apparatus for electric rolling stock
    7.
    发明公开
    Inverter apparatus for electric rolling stock 失效
    维克谢里奇

    公开(公告)号：EP0590502A2

    公开(公告)日：1994-04-06

    申请号：EP93115287.0

    申请日：1993-09-22

    申请人： HITACHI, LTD.

    发明人： Saito, Shuji ,  Tsuboi, Takashi ,  Horie, Akira ,  Ando, Takeshi ,  Toyota, Eiichi ,  Matsui, Takayuki ,  Takaku, Toshihiko ,  Nakata, Kiyoshi ,  Nakamura, Kiyoshi

    IPC分类号： H02M7/537 ,  H02M7/5387 ,  H01L23/34 ,  H05K7/20

    CPC分类号： H02M7/487 ,  B60L9/22 ,  B60L2200/26 ,  B60L2260/28 ,  H01L25/18 ,  H01L2924/0002 ,  H01L2924/00

    摘要： An inverter apparatus for electric rolling stock employs a 3-level inverter including four semiconductor switch modules (SM₁...SM₄) connected in series to DC power source terminals P and N, the node of the first and second semiconductor switch modules and the node of the third and fourth semiconductor switch modules being connected to the neutral point of the DC power source through the intermediation of clamp diodes, the node of the second and third semiconductor switch modules being connected to an AC output terminal. The loss of the first and fourth semiconductor switch modules has a peak during power running of the electric motor constituting the load, and the loss of the second and third semiconductor switch modules has a peak during braking of the electric motor constituting the load. In view of this, a pair of first and second semiconductor switch modules (SM₁,SM₂) and a pair of the third and fourth semiconductor switch modules (SM₃,SM₄), each having a disparity in terms of loss peak, are respectively attached to different heat receiving plates (31,32).

    摘要翻译： 一种用于电动车辆的逆变器装置采用三级逆变器，其包括与直流电源端子P和N串联连接的四个半导体开关模块（SM1 ... SM4），第一和第二半导体开关模块的节点和节点 第三和第四半导体开关模块通过钳位二极管连接到DC电源的中性点，第二和第三半导体开关模块的节点连接到AC输出端子。 第一和第四半导体开关模块的损耗在构成负载的电动机的电力运行期间具有峰值，并且第二和第三半导体开关模块的损耗在构成负载的电动机的制动期间具有峰值。 鉴于此，一对第一和第二半导体开关模块（SM1，SM2）和一对第三和第四半导体开关模块（SM3，SM4）各自具有损耗峰值的差异，分别附于 各对共同的不同的热接收板（31,32），冷却器（53,54）附接到热接收板，由此冷却器的热负荷量被调平，从而达到减小 冷却器。

    STORAGE BATTERY SYSTEM, MONITORING DEVICE AND HYBRID RAILWAY VEHICLE
    8.
    发明授权
    STORAGE BATTERY SYSTEM, MONITORING DEVICE AND HYBRID RAILWAY VEHICLE 有权

    公开(公告)号：EP2189322B1

    公开(公告)日：2018-10-24

    申请号：EP09014504.6

    申请日：2009-11-20

    申请人： Hitachi, Ltd.

    发明人： Nishino,Takayoshi ,  Ishida, Seiji ,  Arita, Hiroshi ,  Toyota, Eiichi

    IPC分类号： B60L11/18

    CPC分类号： B60L11/1851 ,  B60L2200/26 ,  Y02T10/7005 ,  Y02T90/16

    摘要： The invention provides a small and safe storage battery system capable of detecting the point of failure of signal isolation at an early stage, a monitoring device thereof and a hybrid railway vehicle using the same. The storage battery system comprises a plurality of storage batteries (101) being connected in series, an assembled resistance (114) connecting a plurality of resistances (131, 132, 133) in series so as to connect to both terminals of the respective storage batteries (101) to determine a midpoint potential higher than the negative terminal potential and lower than the positive terminal potential, a processing means (112) at the midpoint potential for detecting the respective statuses of the storage batteries (101), and communication means (111) and (113) at negative terminal potentials of the respective storage batteries (101) so as to enable the processing means (112) to communicate with each other or the processing means (112) to communicate with the exterior via isolation means (116) and (117), wherein the processing means (112) includes a current detection means (115) for detecting the current flowing in the assembled resistance (114).

    Drive device for railway vehicle
    9.
    发明公开
    Drive device for railway vehicle 审中-公开
    铁路车辆驱动装置

    公开(公告)号：EP2756979A3

    公开(公告)日：2018-03-21

    申请号：EP14151045.3

    申请日：2014-01-14

    申请人： Hitachi, Ltd.

    发明人： Ayata, Masataka ,  Hishida, Akihiro ,  Kono, Yasuhiko ,  Toyota, Eiichi

    IPC分类号： B60L3/00

    CPC分类号： B60L3/003 ,  B60L2200/26 ,  B60L2240/525

    摘要： If there is a possibility of a coolant of a cooler being frozen, switching elements are made to generate heat by feeding a current through the switching elements. Two kinds of sensors for measuring a temperature on the side of a heat receiving portion and the side of a heat radiating portion are installed for the cooler. The thermal resistance of the whole of the cooler is calculated from an amount of heat generated by the current of the switching elements, the temperature on the side of the heat receiving portion, the temperature on the side of the heat radiating portion. If the value of the thermal resistance is equal to or higher than a certain value, it is determined that the coolant is frozen. When it is determined that the coolant is frozen, the thermal resistance of the cooler is calculated, and warm-up operation is started.

    摘要翻译： 如果冷却器的冷却剂有可能被冻结，则开关元件通过向开关元件供给电流而产生热量。 用于测量受热部分侧和散热部分侧的温度的两种传感器被安装用于冷却器。 根据由开关元件的电流产生的热量，受热部侧的温度，散热部侧的温度来计算整个冷却器的热阻。 如果热阻的值等于或高于特定值，则确定冷却剂冻结。 当确定冷却剂冻结时，计算冷却器的热阻，并开始预热操作。