Power conversion device
    4.
    发明授权
    Power conversion device 有权
    电源转换装置

    公开(公告)号:US09190922B2

    公开(公告)日:2015-11-17

    申请号:US14342878

    申请日:2012-09-06

    IPC分类号: H02M5/297 H02M5/293 H02M7/217

    CPC分类号: H02M5/297 H02M5/293 H02M7/217

    摘要: An electric power conversion device comprises a conversion circuit having bi-directionally switchable plural pairs of switching elements connected to respective phases and converting an inputted AC power into an AC electric power. A first switching time is calculated using detected voltages detected by voltage sensors and an output command value. A second switching time is calculated in a form of a time which is a subtraction of the first switching time from a half period of a carrier and, using this time, control signals to switch on and off of the switching elements are generated.

    摘要翻译: 电力转换装置包括具有双向可切换的多对开关元件的转换电路,其连接到各相,并将输入的AC电力转换成AC电力。 使用由电压传感器检测的检测电压和输出指令值来计算第一切换时间。 以从载波的半个周期减去第一切换时间的时间的形式计算第二切换时间,并且使用此时产生开关元件的接通和断开的控制信号。

    POWER CONVERSION DEVICE
    5.
    发明申请
    POWER CONVERSION DEVICE 有权
    电源转换器件

    公开(公告)号:US20140226382A1

    公开(公告)日:2014-08-14

    申请号:US14342842

    申请日:2012-09-06

    IPC分类号: H02M5/297

    摘要: An electric power conversion device comprises a conversion circuit having bi-directionally switchable plural pairs of switching elements connected to respective phases and converting an inputted AC power into an AC electric power. A first switching time is calculated using detected voltages detected by voltage sensors and an output command value. A second switching time is calculated using a carrier and the calculated first switching time. The second switching time is such that, in one period of the alternating current electric power outputted from the conversion circuit, the second switching time included in a first half period of the one period is equal to the second switching time included in a second half period of the one period.

    摘要翻译: 电力转换装置包括具有双向可切换的多对开关元件的转换电路,其连接到各相,并将输入的AC电力转换成AC电力。 使用由电压传感器检测的检测电压和输出指令值来计算第一切换时间。 使用载波和计算的第一切换时间来计算第二切换时间。 第二切换时间使得在从转换电路输出的交流电力的一个周期中,包括在一个周期的前半个周期中的第二切换时间等于包括在后半周期中的第二切换时间 的一个时期。

    Electron tubes
    10.
    发明授权
    Electron tubes 失效
    电子管

    公开(公告)号:US07518301B2

    公开(公告)日:2009-04-14

    申请号:US11035545

    申请日:2005-01-14

    IPC分类号: H01J1/18

    CPC分类号: H01J31/126 H01J1/18 H01J1/88

    摘要: In an electron tube including vibration absorbers for linear members such as filaments, a vibration absorbing means that is made of a vibration absorber with a large vibration absorption effect, has a simple configuration, and is attachable easily to filaments is provided. The vibration absorbing means is formed of a holder 231, a vibration absorber 241, and a getter shielding member 251. These three members are attached to a shielding electrode S overlying the front substrate 111 to dispose the vibration absorber 241 between the holder 231 and getter shielding member 251. The vibration absorber 241 is mounted to slide or rotate between the holder 231 and the getter shielding member 251. The vibration absorber 241 has an aperture 2413 in which the filament is engaged. The bottom (apex) of the aperture 2413 is formed eccentrically. The vibration absorber 241 is in line contact with the shielding electrode S, as shown in FIG. 3(c).

    摘要翻译: 在包括诸如长丝的线性元件的减振器的电子管中,提供一种由具有大的振动吸收效果的减震器制成的振动吸收装置,具有简单的结构,并且易于连接到细丝上。 振动吸收装置由保持器231,减震器241和吸气剂遮蔽构件251构成。这三个构件安装在覆盖在前基板111上的屏蔽电极S上,以将振动吸收器241设置在保持器231和吸气剂 振动吸收器241被安装成在保持器231和吸气剂屏蔽构件251之间滑动或旋转。减振器241具有一个孔2413,细丝在其中接合。 孔2413的底部(顶点)偏心地形成。 如图1所示,振动吸收器241与屏蔽电极S线接触。 图3(c)。