公开(公告)号：US20230382237A1

公开(公告)日：2023-11-30

申请号：US18449910

申请日：2023-08-15

Applicant: KABUSHIKI KAISHA TOSHIBA ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Masaya MISUMI ,  Tomoyuki MAKINO

IPC: B60L15/00 ,  H02M1/32 ,  H02M7/00

CPC classification number: B60L15/007 ,  H02M1/327 ,  H02M7/003 ,  B60L2200/26

Abstract: According to an embodiment, a railway-vehicle power conversion apparatus includes a power conversion unit including: a converter unit; an inverter unit; and a cooler, and in the power conversion unit, the converter unit and the inverter unit are disposed at a predetermined interval on the cooler, and an overvoltage suppression unit is disposed on the same cooler on which the converter unit and the inverter unit are disposed.

公开(公告)号：US20180215284A1

公开(公告)日：2018-08-02

申请号：US15914557

申请日：2018-03-07

Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Hiroaki OTANI ,  Tomoyuki MAKINO

IPC: B60L15/00 ,  B61C17/00 ,  H01L23/467

CPC classification number: B60L15/007 ,  B60L5/00 ,  B60L2200/26 ,  B60L2200/30 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/525 ,  B61C17/00 ,  H01L23/3672 ,  H01L23/427 ,  H01L23/467 ,  H02M7/217 ,  H02M7/537

Abstract: An electric car control device according to the embodiments includes a housing, a converter, an inverter, a converter cooling unit, and an inverter cooling unit. The housing is provided under a floor of a car body. The converter is housed in the housing, is connected to an alternating current power source, and converts supplied alternating current power into direct current power. The inverter is housed in the housing, and converts the direct current power into alternating current power for driving a motor. The converter cooling unit is disposed on a bottom surface side of the housing and cools the converter. The inverter cooling unit is disposed on a bottom surface side of the housing and cools the inverter.

公开(公告)号：US20170170744A1

公开(公告)日：2017-06-15

申请号：US15317394

申请日：2014-07-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yuusuke KOUNO ,  Masayuki NOGI ,  Nobumitsu TADA ,  Yuuki TSUKINARI ,  Yosuke NAKAZAWA ,  Tomoyuki MAKINO

IPC: H02M7/00 ,  H05K7/20 ,  H02M7/217

CPC classification number: H02M7/003 ,  B60L11/1812 ,  B60L11/1816 ,  B60L2210/30 ,  H02M7/217 ,  H02M7/483 ,  H02M7/487 ,  H02M7/5387 ,  H02M2007/4835 ,  H05K7/20854 ,  H05K7/209

Abstract: A vehicle power conversion device includes a two-level converter, a three-level converter and one cooling device. The two-level converter includes a capacitor, first switching devices and second switching devices. The three-level converter includes two capacitors, third switching devices, fourth switching devices and a bidirectional switch. The first and second switching devices are embedded in first power modules, and the third and fourth switching devices are embedded in second power modules. The second power modules have dielectric strength voltages at least equal to a voltage applicable to any one of the two capacitors connected in series included in the three-level converter, and the first power modules have dielectric strength voltages at least equal to a sum of a voltage applicable to any one of the two capacitors connected in series included in the three-level converter and a voltage applicable to the capacitor included in the two-level converter.

公开(公告)号：US20170164519A1

公开(公告)日：2017-06-08

申请号：US15382994

申请日：2016-12-19

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Toshiyuki UCHIDA ,  Tomoyuki MAKINO

IPC: H05K7/20 ,  H02P27/06 ,  B61C17/00 ,  B60L9/28 ,  B61C3/00

CPC classification number: H05K7/20409 ,  B60L3/00 ,  B60L9/24 ,  B60L9/28 ,  B61C3/00 ,  B61C17/00 ,  H02M1/00 ,  H02M7/12 ,  H02M7/48 ,  H02P27/06 ,  H05K7/20918

Abstract: A power conversion device according to an embodiment includes a converter unit, and an inverter unit disposed to be adjacent to the converter unit in a railroad car running direction, the inverter unit being configured to convert the DC power outputted from the converter unit to AC power. First radiation fins are attached to a surface of a first heat receiving plate opposite to a surface on which the semiconductor switching devices are attached, and second radiation fins are attached to a surface of a second heat receiving plate opposite to a surface on which the semiconductor switching devices are attached. The first radiation fins and the second radiation fins facing one another are attached to the first heat receiving plate and the second heat receiving plate so that recessed portions of the first radiation fins and recessed portions the second radiation fins are aligned with one another.

公开(公告)号：US20140203632A1

公开(公告)日：2014-07-24

申请号：US14162400

申请日：2014-01-23

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yuusuke KOUNO ,  Yosuke NAKAZAWA ,  Kentaro SUZUKI ,  Ryuta HASEGAWA ,  Tomoyuki MAKINO

IPC: H02M7/219

CPC classification number: H02M7/219 ,  H02M1/32 ,  H02M7/483 ,  H02M7/49 ,  H02M2001/007 ,  H02M2001/322 ,  H02M2001/325

Abstract: A power conversion apparatus comprises a first converter connected to a second converter. The first converter includes a first capacitor and the second converter includes a second capacitor connected in series to a third capacitor. The capacitors are each connected in parallel with a respective resistor. The power conversion apparatus also includes a bypass switch connected in parallel to the first converter and in series to the second converter. A control module is configured to control a single-phase output voltage by operation of the first converter, the second converter, and the bypass switch.

Abstract translation: 电力转换装置包括连接到第二转换器的第一转换器。 第一转换器包括第一电容器，第二转换器包括与第三电容器串联连接的第二电容器。 电容器各自与相应的电阻器并联连接。 电力转换装置还包括与第一转换器并联连接并与第二转换器串联的旁路开关。 控制模块被配置为通过第一转换器，第二转换器和旁路开关的操作来控制单相输出电压。

公开(公告)号：US20160339783A1

公开(公告)日：2016-11-24

申请号：US15108201

申请日：2014-12-15

Applicant: CENTRAL JAPAN RAILWAY COMPANY ,  KABUSHIKI KAISHA TOSHIBA

Inventor： Hirokazu KATO ,  Hiroki SHIMOYAMA ,  Kei SAKANOUE ,  Toshiyuki UCHIDA ,  Tomoyuki MAKINO ,  Hiroaki OTANI ,  Manato MORI

IPC: B60L3/00 ,  G01R31/00 ,  B62D65/00

CPC classification number: B60L3/0061 ,  B60L9/28 ,  B60L2200/26 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/12 ,  B60L2240/32 ,  B60L2240/421 ,  B60L2240/427 ,  B60L2240/429 ,  B60L2240/527 ,  B60L2240/529 ,  B60L2250/16 ,  B60L2270/40 ,  B62D65/005 ,  G01R31/007 ,  Y02T10/646 ,  Y02T10/7241

Abstract: An electric vehicle control device includes: a plurality of motors capable of transmitting motive power to a wheel of an electric vehicle; an inverter that supplies electric power to drive the motors; and a controller that controls the inverter and compares, when the electric vehicle drives under a certain velocity condition, a q-axis voltage feedforward value VqFF and a q-axis voltage command value Vq* used for controlling driving of the motors, to detect an occurrence of miswire between the motors and the inverter when the following inequation is satisfied: VqFF≧1.5·Vq*.

Abstract translation: 一种电动车辆控制装置，包括：能够将动力传递到电动车辆的车轮的多个电动机; 提供电力驱动马达的逆变器; 以及控制器，其控制逆变器，并且当电动车辆在一定速度条件下驱动时，比较用于控制电动机的驱动的q轴电压前馈值VqFF和q轴电压指令值Vq *，以检测 当满足以下不等式时，电动机和逆变器之间发生错线：VqFF≥1.5·Vq *。

公开(公告)号：US20140375121A1

公开(公告)日：2014-12-25

申请号：US14479204

申请日：2014-09-05

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yuusuke KOUNO ,  Yosuke NAKAZAWA ,  Kentaro SUZUKI ,  Ryuta HASEGAWA ,  Tomoyuki MAKINO

IPC: B60L11/00

CPC classification number: B60L11/005 ,  B60L3/003 ,  B60L3/04 ,  B60L11/1812 ,  B60L11/1816 ,  B60L2240/525 ,  B60L2240/527 ,  B60L2240/529 ,  H02M7/217 ,  H02M7/483 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/127 ,  Y02T90/14

Abstract: According to an embodiment, a power conversion apparatus for a vehicle is provided with a single-phase two-level converter and a single-phase three-level converter. The single-phase two-level converter is composed of a capacitor, first to fourth controllable switching devices, diodes connected in antiparallel with the controllable switching devices, respectively. The single-phase three-level converter is composed of two series-connected capacitors, fifth to tenth controllable switching devices, diodes connected in antiparallel with the controllable switching devices, respectively. The single-phase two-level converter and the single-phase three-phase converter are connected in series at the AC input/output points. The single-phase two-level converter has smaller switching loss than the single-phase three-level converter, and the single-phase three-level converter has higher withstand voltage property than the single-phase two-level converter.

Abstract translation: 根据实施例，车辆的电力转换装置设置有单相二电平转换器和单相三电平转换器。 单相二电平转换器由电容器，第一至第四可控开关器件，分别与可控开关器件反并联连接的二极管组成。 单相三电平转换器由两个串联电容器组成，第五至第十个可控开关器件分别与可控开关器件反并联连接的二极管。 单相双电平转换器和单相三相转换器在交流输入/输出点串联连接。 单相二电平转换器的开关损耗小于单相三电平转换器，单相三电平转换器具有比单相二电平转换器更高的耐受电压特性。