Mounting structure of a power converter
    5.
    发明公开
    Mounting structure of a power converter 有权
    Gehäuseaufbaueines Stromwandlers

    公开(公告)号:EP2015626A2

    公开(公告)日:2009-01-14

    申请号:EP08011235.2

    申请日:2008-06-20

    申请人: Hitachi Ltd.

    IPC分类号: H05K7/02

    摘要: A power converter (101) which can attain a reliable electric connection with electrodes of a power module (102) by facilitating positioning of conductors connected to the electrodes of the power module. The power converter includes the power module (102) having the plurality of electrodes in the form of plate-shaped conductors within a casing (201,202) having a lid (202), and also includes a plurality of plate-shaped conductors (105T, 106T, 107u, 107v, 107w) connected to the electrodes of the power module. Male screws (210) are embedded in ones of the electrodes of the power module provided at least on the side of the lid to be projected therefrom, the plate-shaped conductors (107u, 107v, 107w) connected to the electrodes having the male screws are formed therein with holes at locations corresponding to the male screws, the male screws being inserted in the corresponding holes, and electrically connected with the electrodes with nuts (602) fastened to the male screws.

    摘要翻译: 一种功率转换器(101),其通过促进连接到功率模块的电极的导体的定位而能够获得与功率模块(102)的电极的可靠的电连接。 功率转换器包括功率模块(102),在具有盖(202)的壳体(201,202)内具有板状导体形式的多个电极,并且还包括多个板状导体(105T,106T ,107u,107v,107w)连接到电源模块的电极。 将雄螺丝(210)嵌入至少设置在盖的一侧的功率模块的电极中以从其突出的板上的导体(107u,107v,107w)连接到具有外螺纹 在对应于阳螺钉的位置处形成有孔,阳螺钉插入相应的孔中,并且通过固定到阳螺钉上的螺母(602)与电极电连接。

    Rotating electrical machine
    7.
    发明公开
    Rotating electrical machine 有权
    旋转电机

    公开(公告)号:EP2086093A1

    公开(公告)日:2009-08-05

    申请号:EP08020973.7

    申请日:2008-12-03

    申请人: Hitachi Ltd.

    IPC分类号: H02K11/00 H02K9/06

    CPC分类号: H02K9/06 H02K11/048

    摘要: A rotating electrical machine main body (40) includes a rotor (4) having a fan, a stator (1), and housings (2, 3). An inverter unit (30) includes a case (14) and a plurality of switching semiconductor devices (15). The rotating electrical machine main body (40) and the inverter unit (30) are coupled with each other when the case (14) is connected to the housing (3). A cooling air circulated by rotation of a fan (12a) cools the inverter unit (30) before flowing into the housing. Part of the case (4)is disposed between the rotating electrical machine main body (40) and the switching semiconductor devices (15), preventing thermal radiation radiated (or irradiated) from the rotating electrical machine main body (40) from reaching the switching semiconductor devices (15).

    摘要翻译: 旋转电机主体40包括具有风扇的转子4,定子1以及壳体2,3。 逆变器单元(30)包括壳体(14)和多个开关半导体器件(15)。 当壳体(14)连接到壳体(3)时,旋转电机主体(40)和逆变器单元(30)彼此联接。 通过风扇(12a)的旋转而循环的冷却空气在流入壳体之前冷却逆变器单元(30)。 部分壳体4设置在旋转电机主体40与开关半导体装置15之间,防止从旋转电机主体40辐射(或照射)的热辐射到达开关 半导体器件(15)。

    Motor control apparatus and control apparatus for hybrid electric vehicles
    9.
    发明公开
    Motor control apparatus and control apparatus for hybrid electric vehicles 审中-公开
    汽车保险公司和Steuervorrichtungfürhybride elektrische Fahrzeuge

    公开(公告)号:EP2060434A2

    公开(公告)日:2009-05-20

    申请号:EP08019689.2

    申请日:2008-11-11

    申请人: Hitachi, Ltd.

    IPC分类号: B60L11/14

    摘要: To provide a motor control apparatus that uses an inverter to drive an AC motor and hybrid automotive control apparatus adapted to drive an AC motor by use of an inverter while reducing torque pulsations during switching from PWM driving to rectangular-wave driving.
    The motor control apparatus 100 has a PWM driving mode in which to input a PWM signal to the inverter 8 and perform PWM driving of the AC motor 4, and a rectangular-wave driving mode in which to input a rectangular-wave signal to the inverter 8 and perform rectangular-wave driving of the AC motor 4. For switching from the PWM driving mode to the rectangular-wave driving mode, a driving-pulse switching block 140 performs the switching process within a maximum pulse-width range of high-level or low-level pulses developed in the PWM driving mode.

    摘要翻译: 提供一种电动机控制装置,其使用逆变器来驱动AC电动机和混合动力车辆控制装置,其适于在通过使用逆变器驱动AC电动机的同时在从PWM驱动切换到矩形波驱动的同时减小转矩脉动。 电动机控制装置100具有PWM驱动模式,其中向逆变器8输入PWM信号并执行AC电动机4的PWM驱动,以及矩形波驱动模式,其中向逆变器输入矩形波信号 并且执行交流电动机4的矩形波驱动。为了从PWM驱动模式切换到矩形波驱动模式,驱动脉冲切换块140在高电平的最大脉冲宽度范围内执行切换处理 或在PWM驱动模式下产生的低电平脉冲。