POWER CONVERTER AND POWER CONVERTER OF ROLLING STOCK
    3.
    发明申请
    POWER CONVERTER AND POWER CONVERTER OF ROLLING STOCK 有权
    电源转换器和电源转换器

    公开(公告)号:US20120229055A1

    公开(公告)日:2012-09-13

    申请号:US13369367

    申请日:2012-02-09

    摘要: A power converter includes a first electric power conversion unit having an inverter for converting a first DC electric power to an AC electric power, an AC circuit connected to the first electric power conversion means;a second electric power conversion unit for receiving the first DC electric power and converting the same to a second DC electric power having a voltage level that differs from the voltage level of the first DC electric power, a power storage unit for storing the second DC electric power of the second electric power conversion unit; and a ripple suppressor having a first inductance for guiding the second DC electric power of the second electric power conversion unit to the power storage means and a second inductance for suppressing the ripple component included in the second DC electric power arranged between the second electric power conversion unit and the power storage unit.

    摘要翻译: 电力转换器包括:第一电力转换单元,具有用于将第一直流电力转换成交流电力的逆变器,连接到第一电力转换装置的交流电路; 第二电力转换单元,用于接收第一DC电力并将其转换为具有与第一DC电力的电压电平不同的电压电平的第二DC电力;存储第二DC电力的蓄电单元 第二电力转换单元的功率; 以及波纹抑制器,其具有用于将第二电力转换单元的第二直流电力引导到蓄电装置的第一电感和用于抑制布置在第二电力转换之间的第二直流电力中包括的波动成分的第二电感 单元和蓄电单元。

    Control apparatus of power conversion system
    4.
    发明授权
    Control apparatus of power conversion system 有权
    电力转换系统控制装置

    公开(公告)号:US07965056B2

    公开(公告)日:2011-06-21

    申请号:US12108573

    申请日:2008-04-24

    IPC分类号: H02P27/04

    摘要: The invention provides a control apparatus of a power conversion system for driving an induction motor via a VVVF inverter, wherein the AC voltage generated by the inverter is increased so as to expand the high-speed side property of the induction motor, to thereby improve the performance during power running and regenerative braking. In the present system, a DC power supply source having a power storage system with a capacity capable of processing the current flowing into or out of the inverter is inserted in series to the ground side of the input of the inverter, and the output voltage thereof is controlled from zero in a continuous manner to be added to the trolley voltage, which is then applied to the inverter.

    摘要翻译: 本发明提供了一种用于通过VVVF逆变器驱动感应电动机的电力转换系统的控制装置,其中增加了由逆变器产生的交流电压以扩大感应电动机的高速侧特性,从而改善了 电力运行和再生制动过程中的性能。 在本系统中,具有能够处理流入或流出逆变器的电流的能力的蓄电系统的直流电源源与逆变器的输入端的接地侧串联插入,其输出电压 以连续的方式从零被控制以加到台车电压上,然后施加到电抗器上。

    CONTROL APPARATUS OF POWER CONVERSION SYSTEM
    5.
    发明申请
    CONTROL APPARATUS OF POWER CONVERSION SYSTEM 有权
    电力转换系统的控制装置

    公开(公告)号:US20080266920A1

    公开(公告)日:2008-10-30

    申请号:US12108573

    申请日:2008-04-24

    IPC分类号: H02M7/00 H02M7/537

    摘要: The invention provides a control apparatus of a power conversion system for driving an induction motor via a VVVF inverter, wherein the AC voltage generated by the inverter is increased so as to expand the high-speed side property of the induction motor, to thereby improve the performance during power running and regenerative braking. In the present system, a DC power supply source having a power storage system with a capacity capable of processing the current flowing into or out of the inverter is inserted in series to the ground side of the input of the inverter, and the output voltage thereof is controlled from zero in a continuous manner to be added to the trolley voltage, which is then applied to the inverter.

    摘要翻译: 本发明提供了一种用于通过VVVF逆变器驱动感应电动机的电力转换系统的控制装置,其中增加了由逆变器产生的交流电压以扩大感应电动机的高速侧特性,从而改善了 电力运行和再生制动过程中的性能。 在本系统中,具有能够处理流入或流出逆变器的电流的能力的蓄电系统的直流电源源与逆变器的输入端的接地侧串联插入,其输出电压 以连续的方式从零被控制以加到台车电压上,然后施加到电抗器上。

    Power converter and power converter of rolling stock
    6.
    发明授权
    Power converter and power converter of rolling stock 有权
    电力转换器和电力转换器的车辆

    公开(公告)号:US08963456B2

    公开(公告)日:2015-02-24

    申请号:US13369367

    申请日:2012-02-09

    摘要: A power converter includes a first electric power conversion unit having an inverter for converting a first DC electric power to an AC electric power, an AC circuit connected to the first electric power conversion means; a second electric power conversion unit for receiving the first DC electric power and converting the same to a second DC electric power having a voltage level that differs from the voltage level of the first DC electric power, a power storage unit for storing the second DC electric power of the second electric power conversion unit; and a ripple suppressor having a first inductance for guiding the second DC electric power of the second electric power conversion unit to the power storage means and a second inductance for suppressing the ripple component included in the second DC electric power arranged between the second electric power conversion unit and the power storage unit.

    摘要翻译: 电力转换器包括:第一电力转换单元,具有用于将第一直流电力转换成交流电力的逆变器,连接到第一电力转换装置的交流电路; 第二电力转换单元,用于接收第一DC电力并将其转换为具有与第一DC电力的电压电平不同的电压电平的第二DC电力;存储第二DC电力的蓄电单元 第二电力转换单元的功率; 以及波纹抑制器,其具有用于将第二电力转换单元的第二直流电力引导到蓄电装置的第一电感和用于抑制布置在第二电力转换之间的第二直流电力中包括的波动成分的第二电感 单元和蓄电单元。

    Gate drive circuit with reduced switching loss and noise
    9.
    发明授权
    Gate drive circuit with reduced switching loss and noise 失效
    栅极驱动电路具有降低的开关损耗和噪声

    公开(公告)号:US07737761B2

    公开(公告)日:2010-06-15

    申请号:US12019032

    申请日:2008-01-24

    IPC分类号: H03K17/16 H03K17/30

    摘要: A subject of the present invention is to reduce noise caused by ringing or the like while reducing turn-on power loss of the element and reverse recovery loss of the diode in a switching circuit of a power semiconductor element to which a SiC diode having small recovery current is connected in parallel.A means for solving the problem is to detect gate voltage and/or collector voltage of the power semiconductor switching element and change gate drive voltage in several stages based on the detected value.

    摘要翻译: 本发明的目的是减少振荡等引起的噪声,同时降低元件的导通功率损耗并且在具有小恢复的SiC二极管的功率半导体元件的开关电路中的二极管的反向恢复损耗 电流并联。 解决该问题的手段是基于检测值来检测功率半导体开关元件的栅极电压和/或集电极电压并且以几个阶段改变栅极驱动电压。