公开(公告)号：US10148197B2

公开(公告)日：2018-12-04

申请号：US12865590

申请日：2009-01-21

Applicant: Toshiyuki Maeda ,  Morimitsu Sekimoto ,  Hiroshi Hibino

Inventor： Toshiyuki Maeda ,  Morimitsu Sekimoto ,  Hiroshi Hibino

IPC: H02M7/797 ,  H02M7/5387 ,  H03K17/0814 ,  H02M7/219 ,  H02M1/00

Abstract: An inverter circuit (120) is configured so as to perform synchronous rectification by six switching elements (130). The switching element (130) is formed of an unipolar device (SiC MOSFET in this case) using a wideband gap semiconductor. The inverter circuit (120) uses the body diode (131) of SiC MOSFET (130) as a freewheeling diode during synchronous rectification.

公开(公告)号：US09257931B2

公开(公告)日：2016-02-09

申请号：US13980285

申请日：2012-01-18

Applicant: Eiji Tooyama ,  Morimitsu Sekimoto ,  Toshiyuki Maeda

Inventor： Eiji Tooyama ,  Morimitsu Sekimoto ,  Toshiyuki Maeda

IPC: H02P6/00 ,  H02J1/00 ,  H02P23/00 ,  H02M1/12 ,  H02P21/05

CPC classification number: H02P23/0095 ,  H02M1/12 ,  H02P21/05 ,  H02P29/50

Abstract: A power conversion apparatus is equipped with switching devices to perform power conversion of input AC power supplied from an AC power supply to output AC power having a predetermined voltage and a predetermined frequency, and to supply the power to a motor connected thereto. The apparatus includes a controller controlling switching of the switching devices, a capacitor smoothing a ripple generated by the switching of the switching devices, a current controller controlling a current flowing to the motor, and a voltage distortion corrector detecting a harmonic component caused by distortion in motor input power, and superimposing compensation values on an output of the current controller in accordance with a value of the harmonic component.

Abstract translation: 电力转换装置配备有开关装置，对从交流电源供给的输入交流电力进行电力转换，输出具有预定电压和预定频率的交流电力，并向与其连接的电动机供电。 该装置包括控制切换装置的切换的控制器，平滑由切换装置的切换产生的纹波的电容器，控制流向马达的电流的电流控制器，以及检测由失真引起的谐波成分的电压失真校正器 马达输入功率，并根据谐波分量的值将补偿值叠加在电流控制器的输出上。

公开(公告)号：US20130300334A1

公开(公告)日：2013-11-14

申请号：US13980285

申请日：2012-01-18

Applicant: Eiji Tooyama ,  Morimitsu Sekimoto ,  Toshiyuki Maeda

Inventor： Eiji Tooyama ,  Morimitsu Sekimoto ,  Toshiyuki Maeda

IPC: H02P23/00

CPC classification number: H02P23/0095 ,  H02M1/12 ,  H02P21/05 ,  H02P29/50

Abstract: A power conversion apparatus is equipped with switching devices to perform power conversion of input AC power supplied from an AC power supply to output AC power having a predetermined voltage and a predetermined frequency, and to supply the power to a motor connected thereto. The apparatus includes a controller controlling switching of the switching devices, a capacitor smoothing a ripple generated by the switching of the switching devices, a current controller controlling a current flowing to the motor, and a voltage distortion corrector detecting a harmonic component caused by distortion in motor input power, and superimposing compensation values on an output of the current controller in accordance with a value of the harmonic component.

Abstract translation: 电力转换装置配备有开关装置，对从交流电源供给的输入交流电力进行电力转换，输出具有预定电压和预定频率的交流电力，并向与其连接的电动机供电。 该装置包括控制切换装置的切换的控制器，平滑由切换装置的切换产生的纹波的电容器，控制流向马达的电流的电流控制器，以及检测由失真引起的谐波成分的电压失真校正器 马达输入功率，并根据谐波分量的值将补偿值叠加在电流控制器的输出上。

公开(公告)号：US20120182770A1

公开(公告)日：2012-07-19

申请号：US13498444

申请日：2010-09-28

Applicant: Morimitsu Sekimoto ,  Hiroshi Hibino ,  Tomoisa Taniguchi ,  Toshiyuki Maeda

Inventor： Morimitsu Sekimoto ,  Hiroshi Hibino ,  Tomoisa Taniguchi ,  Toshiyuki Maeda

IPC: H02M5/458

CPC classification number: H02M7/53873 ,  H02M1/126

Abstract: The power converter includes a diode rectifier which rectifies alternating current power output from an alternating current power supply, a reactor provided between the alternating current power supply and the diode rectifier, an inverter circuit to which power output from the diode rectifier is directly supplied, and a capacitor provided between power supply lines on a primary side of the diode rectifier.

Abstract translation: 电力转换器包括：二极管整流器，对来自交流电源的交流电力输出，设置在交流电源和二极管整流器之间的电抗器进行整流;逆变器电路，直接从二极管整流器输出的功率;以及 在二极管整流器的初级侧的电源线之间设置电容器。

公开(公告)号：US20100328975A1

公开(公告)日：2010-12-30

申请号：US12918656

申请日：2009-03-10

Applicant: Hiroshi Hibino ,  Morimitsu Sekimoto

Inventor： Hiroshi Hibino ,  Morimitsu Sekimoto

IPC: H02M7/06 ,  H02M7/5387

CPC classification number: H02M7/48 ,  H01L2224/48091 ,  H01L2224/48137 ,  H01L2924/13091 ,  H02M7/003 ,  H02M2001/348 ,  H01L2924/00014 ,  H01L2924/00

Abstract: In a power converter for converting AC power supplied from an AC power source or DC power supplied from a DC power source to DC power or AC power having predetermined voltage and frequency including at least one switching device (130) configured to be operable at high temperature, at least one snubber circuit (300) configured to be operable at high temperature and having a capacitor (301) configured to be operable at high temperature is provided.

Abstract translation: 在用于将从交流电源提供的AC电力或从DC电源提供的DC电力转换成具有预定电压和频率的预定电压和频率的AC电力的电力转换器中，所述交流电力包括至少一个被配置为在高温下可操作的开关装置 提供了至少一个缓冲电路（300），其配置为在高温下可操作并且具有被配置为在高温下可操作的电容器（301）。

公开(公告)号：US20090251086A1

公开(公告)日：2009-10-08

申请号：US12439496

申请日：2007-08-29

Applicant: Morimitsu Sekimoto ,  Hitoshi Haga ,  Abdallah Mechi ,  Reiji Kawashima ,  Kenichi Sakakibara ,  Toshiyuki Maeda

Inventor： Morimitsu Sekimoto ,  Hitoshi Haga ,  Abdallah Mechi ,  Reiji Kawashima ,  Kenichi Sakakibara ,  Toshiyuki Maeda

IPC: H02P6/10

CPC classification number: H02P23/30 ,  H02P29/032 ,  H02P29/50

Abstract: A motor control unit (10) includes: a power converter (40) having a rectifier circuit (20) which rectifies an AC voltage from an AC power supply (31), a capacitor circuit (22) which receives an output of the rectifier circuit (20) and outputs a rectified voltage having pulses from both ends of a capacitor (13) and an inverter circuit (25) which receives the rectified voltage and outputs an AC voltage to the motor (30); and a motor controller (41) controlling the motor (30) by controlling the inverter circuit (25). The motor controller (41) performs torque control to vary an output toque of the motor (30) in response to variation in load torque of the motor (30).

Abstract translation: 电动机控制单元（10）包括：具有整流电路（20）的功率变换器（40），其对来自交流电源（31）的交流电压进行整流;电容器电路（22），其接收整流电路的输出 （20），从电容器（13）的两端输出具有脉冲的整流电压和接收整流电压的逆变器电路（25），并向电动机（30）输出交流电压; 以及通过控制逆变器电路（25）来控制电动机（30）的电动机控制器（41）。 电动机控制器（41）响应于电动机（30）的负载转矩的变化，进行转矩控制以改变电动机（30）的输出转矩。

公开(公告)号：US20080211449A1

公开(公告)日：2008-09-04

申请号：US11792682

申请日：2005-11-16

Applicant: Hiroyuki Yamai ,  Morimitsu Sekimoto

Inventor： Hiroyuki Yamai ,  Morimitsu Sekimoto

IPC: H02P1/26 ,  H02M5/458

CPC classification number: H02M5/458 ,  H02H7/1222 ,  H02H9/04

Abstract: A multiphase current supplying circuit includes a converter, an intervening circuit, an inverter, a control circuit and a lightning arrester. A power supply system is connected to the converter with the lightning arrester interposed therebetween, and the ac voltage is rectified. The intervening circuit includes a capacitor and a bypass connected in parallel thereto. In the bypass, a diode, a resister and a capacitor are connected in series, and the direction from an anode to a cathode of the diode corresponds to the direction from a high potential side to a low potential side of the smoothing capacitor.

Abstract translation: 多相电流供给电路包括转换器，中间电路，逆变器，控制电路和避雷器。 电源系统与转换器连接，避雷器插在其间，交流电压整流。 中间电路包括并联连接的电容器和旁路。 在旁路中，二极管，电阻和电容器串联连接，从二极管的阳极到阴极的方向对应于平滑电容器的高电位侧到低电位侧的方向。

公开(公告)号：US20080094864A1

公开(公告)日：2008-04-24

申请号：US11662067

申请日：2005-08-25

Applicant: Morimitsu Sekimoto ,  Hiroyuki Yamai

Inventor： Morimitsu Sekimoto ,  Hiroyuki Yamai

IPC: H02M5/45

CPC classification number: H02M5/458 ,  H02M1/32

Abstract: This invention is to reduce a voltage across a smoothing capacitor in a single-phase capacitorless inverter. A smoothing circuit (15) has a smoothing capacitor (C) connected between a pair of power supply lines (L1, L2). A diode (Ds) has its anode connected to one of the power supply lines (L1) and has its cathode connected to an end of a resistor (Rs), the other end of the resistor is connected to an end of a capacitor (Cs), the other end of the capacitor is connected to the other of the power supply lines (L2). In this way, the magnitude of a rectified voltage (Vdc) across the smoothing capacitor (C) can be reduced as compared with an absence of the series connection of diode (Ds), resistor (Rs) and capacitor (Cs).

Abstract translation: 本发明是为了降低单相无电容逆变器中的平滑电容器两端的电压。 平滑电路（15）具有连接在一对电源线（L 1，L 2）之间的平滑电容器（C）。 二极管（D）具有连接到电源线（L 1）中的一个并且其阴极连接到电阻器（R SUB）的一端的阳极， ，电阻器的另一端连接到电容器的一端，电容器的另一端连接到另一个电源线（L 2）。 以这种方式，与不存在二极管的串联连接相比，可以减小平滑电容器（C）两端的整流电压（V SUB DC）的幅度。 SUB），电阻器（R SUB）和电容器（C SUB）。

公开(公告)号：US09214881B2

公开(公告)日：2015-12-15

申请号：US13980241

申请日：2012-01-18

Applicant: Morimitsu Sekimoto ,  Tomoisa Taniguchi ,  Hiroshi Hibino ,  Toshiyuki Maeda

Inventor： Morimitsu Sekimoto ,  Tomoisa Taniguchi ,  Hiroshi Hibino ,  Toshiyuki Maeda

IPC: H02P6/10 ,  H02M1/12 ,  H02P21/05

CPC classification number: H02P6/10 ,  H02M1/12 ,  H02P1/16 ,  H02P21/05

Abstract: A DC link is provided, which includes a capacitor connected in parallel to an output of a converter circuit, and outputs a pulsating DC link voltage. An inverter circuit is provided, which converts an output of the DC link to AC by switching, and supplies the AC to a motor connected thereto. A controller is provided, which controls switching of the inverter circuit so that motor currents pulsate in synchronization with pulsation of a power-supply voltage. The controller controls the switching of the inverter circuit in accordance with a load of the motor or an operational state of the motor, and reduces pulsation amplitude of the motor currents.

Abstract translation: 提供了一个DC链路，其包括与转换器电路的输出并联连接的电容器，并且输出脉动的DC链路电压。 提供了通过切换将直流母线的输出转换为交流的逆变器电路，并且将AC提供给与其连接的电动机。 提供控制器，其控制逆变器电路的切换，使得电动机电流与电源电压的脉动同步地脉动。 控制器根据电动机的负载或电动机的工作状态控制逆变器电路的切换，并且减小电动机电流的脉动幅度。

公开(公告)号：US09178412B2

公开(公告)日：2015-11-03

申请号：US12922034

申请日：2010-01-18

Applicant: Reiji Kawashima ,  Kazushi Hisayama ,  Hiroshi Hibino ,  Morimitsu Sekimoto ,  Toshiyuki Maeda ,  Sumikazu Matsuno

Inventor： Reiji Kawashima ,  Kazushi Hisayama ,  Hiroshi Hibino ,  Morimitsu Sekimoto ,  Toshiyuki Maeda ,  Sumikazu Matsuno

IPC: H02M7/217 ,  H02M1/42 ,  H02M3/335 ,  H03K17/66 ,  H03K17/687 ,  H02M5/458 ,  H03K17/74

CPC classification number: H02M1/4208 ,  H02M3/33576 ,  H02M5/458 ,  H03K17/664 ,  H03K17/6874 ,  H03K17/74 ,  H03K2217/0009 ,  H03K2217/0081 ,  Y02B70/126

Abstract: A bidirectional switch circuit includes two switching elements connected to conduct a current in both directions. The two switching elements are connected in series to each other. Of the two switching elements, the switching element to which a reverse voltage is applied, a voltage of a source of one of the switching elements being higher than a voltage of a drain of the one, is configured to conduct a current from the source to the drain even when an on-drive signal is not being input to a gate terminal of the one.

Abstract translation: 双向开关电路包括两个开关元件，其连接以在两个方向上导通电流。 两个开关元件彼此串联连接。 在两个开关元件中，施加有反向电压的开关元件，其中一个开关元件的源极的电压高于一个开关元件的漏极的电压，被配置为将来自源极的电流传导到 漏极，即使当驱动信号未被输入到该栅极端子时。