会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 81. 发明公开
    • POWER CONVERTER FOR DRIVING MOTOR
    • STROMUMRICHTER ZUM ANSTEUERN EINES MOTORS
    • EP2360831A1
    • 2011-08-24
    • EP08878891.4
    • 2008-12-15
    • Mitsubishi Electric Corporation
    • KITANAKA, Hidetoshi
    • H02P21/00H02P27/04
    • H02P27/08B60L7/14B60L11/1803B60L15/025B60L15/20B60L15/2009B60L2200/26B60L2220/14B60L2240/12B60L2240/421B60L2240/423B60L2240/527B60L2240/529H02P21/0089H02P21/05H02P21/22H02P2209/13Y02T10/643Y02T10/7005Y02T10/72Y02T10/7275
    • A second control unit 100 includes a current-command generating unit 10 that generates, based on a torque command T*, a current command of the motor 6, a voltage-amplitude-index calculating unit 150 that calculates, based on the current command, a voltage amplitude index (a modulation ratio PMF) that should be applied to the motor 6, a current-command adjusting unit 80 that generates, based on the modulation ratio PMF and a frequency FINV of the motor 6, a current command adjustment amount dV for adjusting the current command, and a voltage command/PWM signal generating unit 50 including a pulsation-suppression-signal generating unit that generates, based on a DC voltage EFC, a pulsation suppression signal for suppressing a pulsation component of a power supply 2f component, the voltage command/PWM signal generating unit 50 generating a gate signal (a PWM signal) to an inverter, wherein it generates a PWM signal according to a control signal including the current command adjusted by the current command adjustment value dV and the pulsation suppression signal.
    • 第二控制单元100包括电流指令生成单元10,该电流指令生成单元10基于转矩指令T *生成电动机6的电流指令,电压振幅指标计算单元150,其根据当前指令, 要施加到电动机6的电压振幅指数(调制比PMF),基于电动机6的调制比PMF和频率FINV产生电流指令调整量dV的电流指令调整单元80 用于调节电流指令的电压指令/ PWM信号生成单元50,以及包括脉动抑制信号生成单元的电压指令/ PWM信号生成单元50,其根据直流电压EFC生成用于抑制电源2f分量的脉动分量的脉动抑制信号 电压指令/ PWM信号发生单元50向逆变器生成门信号(PWM信号),其中根据包括由th调整的电流指令的控制信号产生PWM信号 e电流指令调节值dV和脉动抑制信号。
    • 82. 发明公开
    • DC-DC CONVERTER
    • DC-DC转换器
    • EP2348622A1
    • 2011-07-27
    • EP08811042.4
    • 2008-09-19
    • Mitsubishi Electric Corporation
    • KITANAKA, Hidetoshi
    • H02M3/155
    • H02M3/156H02M1/14H02M2001/0022
    • A DCDC converter includes a switching circuit 10, to an input end of which an input filer circuit is connected, a smoothing filter circuit 27 connected to an output end of the switching circuit 10 and including a reactor 5 and a capacitor 6, and a control unit 300 that feeds back a state amount of the smoothing filter circuit 27 and controls to turn on and off the switching circuit 10. The control unit 300 includes a damping control unit 40 that calculates, based on the voltage of the capacitor 6, a damping operation amount for adjusting a state amount of the smoothing filter circuit 27.
    • DCDC转换器包括开关电路10,其输入端连接到输入滤波器电路;平滑滤波电路27,连接到开关电路10的输出端并且包括电抗器5和电容器6;以及控制器 单元300,其反馈平滑滤波器电路27的状态量并控制开关电路10的导通和关断。控制单元300包括阻尼控制单元40,其基于电容器6的电压计算阻尼 用于调整平滑滤波器电路27的状态量的操作量。
    • 84. 发明公开
    • ELECTRIC RAILWAY SYSTEM
    • ELEKTRISCHES EISENBAHNSYSTEM
    • EP2275300A1
    • 2011-01-19
    • EP08740946.2
    • 2008-04-30
    • Mitsubishi Electric Corporation
    • KITANAKA, Hidetoshi
    • B60L13/00B60L3/00B60L5/28B60L11/18B61C3/02
    • B60L5/42B60L5/28B60L9/00B60L11/1837B60L11/185B60L2200/26B60M1/36B61C17/06Y02T10/7005Y02T10/7072Y02T30/18Y02T90/121Y02T90/128Y02T90/14
    • In an electric railway system, a rapid electric charge to electric-power storage elements is stably and safely performed while an electric car is stopped. In the electric railway system having an electric-power supply device that supplies electric power to the electric car 10, the electric-power supply device includes a power source 70, and an overhead conductor portion 1A connected to the power source 70. The electric car 10 includes: a power collector 2A that is installed on a roof of the electric car 10, has a contact conductor portion 60 contactable to the overhead conductor portion 1A, and is capable of raising and lowering the contact conductor portion 60 based on an instruction from outside; a switching unit 11 connected to the power collector 2A, and opening and closing a main circuit; an electric-power conversion device 12 that is connected to the switching unit 11 and performs an electric power conversion; an electric-power storage device 13 that is connected to the electric-power conversion device 12; an electric motor 16 that is driven by the electric-power conversion device 12 and drives the electric car 10; and a control unit 15 that controls at least the switching unit 11.
    • 在电气铁路系统中,电动汽车停止时,对电力存储元件的快速充电稳定且安全地进行。 在具有向电动汽车10供给电力的电力供给装置的电气化铁路系统中,电力供给装置具备电源70和与电源70连接的架空导体部1A。电动汽车 10包括:安装在电动车辆10的屋顶上的集电器2A,具有可与架空导体部1A接触的接触导体部60,并且能够根据来自 外; 连接到集电器2A的开关单元11,以及主电路的开闭。 电力转换装置12,其连接到开关单元11并执行电力转换; 连接到电力转换装置12的电力存储装置13; 由电力转换装置12驱动并驱动电动车辆10的电动机16; 以及至少控制切换单元11的控制单元15。
    • 86. 发明公开
    • CONTROLLER FOR ELECTRIC MOTOR
    • 电动机控制器
    • EP2194643A1
    • 2010-06-09
    • EP07828368.6
    • 2007-09-25
    • Mitsubishi Electric Corporation
    • KITANAKA, Hidetoshi
    • H02P27/06
    • H02P27/04H02P21/0021H02P21/0085H02P21/06
    • In a controlling device for a permanent magnet synchronous motor, an asynchronous pulse mode is switched to a synchronous pulse mode in a situation where a modulation factor has become equal to or larger than a first set value or in a situation where an inverter output frequency has become equal to or higher than a second set value. The synchronous pulse mode is switched to the asynchronous pulse mode in a situation where the modulation factor has become smaller than the first set value, and also, the inverter output frequency has become lower than the second set value. By setting the second set value so that the number of pulses included in a half cycle of an output voltage fundamental wave of the inverter is equal to or larger than a predetermined value, it is possible to inhibit current oscillations and torque ripples from occurring in the motor.
    • 在永久磁铁同步电动机的控制装置中,在调制率成为第一设定值以上的情况下,或者在逆变器输出频率成为大于第一设定值的情况下,异步脉冲模式被切换为同步脉冲模式 变得等于或高于第二设定值。 在调制率小于第一设定值的状况下,同步脉冲模式切换为非同步脉冲模式,并且逆变器输出频率低于第二设定值。 通过设定第二设定值,使得包含在逆变器的输出电压基波的半周期中的脉冲的数量等于或大于预定值,可以抑制电流振荡和转矩脉动发生在 发动机。
    • 87. 发明公开
    • POWER CONVERSION DEVICE
    • 电力转换装置
    • EP2157685A1
    • 2010-02-24
    • EP07828141.7
    • 2007-06-11
    • Mitsubishi Electric Corporation
    • KITANAKA, HidetoshiYABUUCHI, Masataka
    • H02M7/48
    • H05K7/20918B60L3/003B60L9/16B60L2200/26B60L2240/36B60L2240/525
    • For an electric power converting apparatus in which switching elements are cooled by using airflows caused by a vehicle's traveling, an advantageous positional arrangement for connecting, in parallel, a plurality of sets each made up of a plurality of switching elements and an advantageous structure of fins included in a cooling device are disclosed. A cooling device 50A includes a fin base 40A serving, at least, as a switching element attachment plane and a plurality of fins 42A being disposed on the opposite plane. The fins 42A are disposed to be in contact with outside air for the purpose of dissipating heat. In the case where an electric power converting circuit is a single-phase or multi-phase bridge circuit including a plurality of sets of legs each made up of a positive-side arm (UPC, VPC) and a negative-side arm (UNC, VNC), the sets of switching elements (UPC and UNC; VPC and VNC) structuring the legs corresponding to phases are arranged in a row on the fin base 40A in the traveling direction of a railway electric car.
    • 对于利用车辆的行驶引起的空气流来冷却开关元件的电力转换装置而言,优选为并联连接由多个开关元件构成的多个组和多个开关元件的有利结构的有利的位置配置 包括在冷却装置中。 冷却装置50A包括至少用作开关元件安装平面的翅片基座40A和设置在相对平面上的多个翅片42A。 出于散热的目的,翅片42A设置成与外部空气接触。 在电力转换电路是包括由正侧臂(UPC,VPC)和负侧臂(UNC)构成的多组腿的单相或多相桥式电路的情况下, VNC)中,构成与各相对应的支路的开关元件组(UPC和UNC; VPC和VNC)沿着铁路电动车的行驶方向在鳍片基座40A上排列成一排。
    • 88. 发明公开
    • POWER CONVERTER
    • 电力转换器
    • EP2151916A1
    • 2010-02-10
    • EP08764741.8
    • 2008-05-27
    • Mitsubishi Electric Corporation
    • KAWAMOTO, SyoichiITO, DaisukeKITANAKA, HidetoshiHATANAKA, KeitaYAMASAKI, HisanoriKONO, MasakiKOBAYASHI, Takahiko
    • H02M7/48
    • H02M7/53875B60L11/00B60L2200/26H02M7/487H02M2001/0022H02P21/09Y02T10/643
    • An electric power conversion apparatus includes a converter 1 for rectifying ac electric power, a series-connected set, of capacitors 2A and 2B, connected to the dc side of the converter, an inverter 3 for, by setting one end of the series-connected capacitor set to a high-potential level, the other end of the set to a low-potential level, and a connection point between the capacitors to a medium-potential level, selecting any one of the levels and outputting three-phase ac, an inverter control unit 4 for controlling the inverter 3, and a voltage measurement device 8 for measuring a capacitor voltage Vdc as a voltage between both ends of the series-connected set, of the capacitors 2A and 2B; and the inverter control unit 4 further includes a beatless control unit 21 for controlling a modulation factor Y in response to the capacitor voltage Vdc, and a frequency fixing unit 22 for fixing to a command value the frequency of an ac voltage outputted from the inverter 3.
    • 一种电力转换装置包括:用于对交流电力进行整流的转换器1,串联连接的一组电容器2A和2B,连接到转换器的直流侧;逆变器3,用于通过将串联连接的一端 将电容器设定为高电位电平,将另一端设定为低电位电平,将电容器的连接点设定为中电位电平,选择任意一个电平并输出三相交流电,将 用于控制逆变器3的逆变器控制部4以及用于测量电容器2A和2B的串联连接组的两端之间的电压即电容器电压Vdc的电压测量装置8; 并且逆变器控制单元4还包括用于响应于电容器电压Vdc来控制调制因子Y的无跳动控制单元21以及用于将从逆变器3输出的交流电压的频率固定到指令值的频率固定单元22 。
    • 89. 发明公开
    • AC MOTOR VECTOR CONTROL APPARATUS
    • WECHSELSTROMMOTOR-VEKTORSTEUERVORRICHTUNG
    • EP2058940A1
    • 2009-05-13
    • EP06796941.0
    • 2006-08-29
    • MITSUBISHI ELECTRIC CORPORATION
    • KITANAKA, Hidetoshi
    • H02P21/00H02P27/04
    • H02P21/05B60L2200/26H02P27/04H02P29/026Y02T10/643
    • There is provided a vector control device for an alternating-current electric motor having a damping controller which automatically calculates an optimum damping operation amount and does not require any gain setting itself, whereby an adjustment work of a control system can be simplified. The vector control device is equipped with a vector controller 30 for executing vector control on the alternating-current electric motor 6 in accordance with a current command or a torque command, and a damping controller 40 for calculating a damping operation amount for suppressing variation of a capacitor voltage Efc. The damping controller 40 calculates a variation rate of the capacitor voltage Efc, operates the current command or torque command of the vector controller 30 on the basis of the damping operation amount corresponding to the variation rate and controls the inverter 4 so that current flowing in the inverter varies so as to suppress the variation thereof with respect to the variation of the capacitor voltage Efc.
    • 提供了一种用于具有阻尼控制器的交流电动机的矢量控制装置,其自动地计算最佳减振操作量,并且不需要任何增益设定本身,由此可以简化控制系统的调节工作。 矢量控制装置配备有用于根据电流指令或转矩指令对交流电动机6进行矢量控制的矢量控制装置30,以及用于计算抑制a的变动的阻尼运算量的阻尼控制装置40 电容电压Efc。 阻尼控制器40计算电容器电压Efc的变化率,根据对应于变化率的阻尼运算量,操作矢量控制器30的电流指令或转矩指令,控制逆变器4,使流过 逆变器变化,以便抑制其相对于电容器电压Efc的变化的变化。