誘導電動機のセンサレスベクトル制御装置
    91.
    发明专利
    誘導電動機のセンサレスベクトル制御装置 有权
    传感器无感电动机控制装置

    公开(公告)号:JP2014204668A

    公开(公告)日:2014-10-27

    申请号:JP2014076925

    申请日:2014-04-03

    Inventor: ANNO YOO

    CPC classification number: H02P21/16 H02P21/0017 H02P21/18 H02P21/24

    Abstract: 【課題】本発明は、パラメータの変動をリアルタイムで推定し、センサレスベクトル制御の性能を向上した誘導電動機のセンサレスベクトル制御装置を提供する。【解決手段】本発明は、電流制御器と、第1相変換器と、インバータと、第2相変換器と、インバータの出力電圧を用いて測定した電動機の相電流と、第1相変換器の出力値を用いて、電動機の回転子速度と回転子磁束を測定し、その値で回転子位置を推定する回転子速度及び位置推定器と、電流制御器に入力される同期座標系上のd、q軸の電流指令と電流制御器から出力される同期座標系上のd、qの電圧を入力されて、誘導電動機の固定子抵抗と角誤差を計算し、固定子抵抗を回転子速度及び位置推定器に提供する固定子抵抗及び角誤差推定器と、を備える。【選択図】図5

    Abstract translation: 要解决的问题:提供一种用于感应电动机的无传感器矢量控制装置,其通过实时估计参数变化来提高无传感器矢量控制的性能。解决方案:用于感应电动机的无传感器矢量控制装置 本发明包括:电流控制器; 第一相转换器; 逆变器 第二相转换器; 转子速度和位置估计器,被配置为通过使用使用逆变器的输出电压测量的电动机的相电流和第一相位转换器的输出值来测量电动机的转子速度和转子磁通量,并估计转子 使用测量值的位置; 以及定子电阻和角度误差估计器,被配置为通过接收输入到电流控制器的同步参考帧上的d,q轴电流指令和同步参考系上的d,q电压来计算感应电动机的定子电阻和角度误差 从电流控制器输出,并为转子速度和位置估计器提供定子电阻。

    Battery device and energy storage system including the same
    94.
    发明专利
    Battery device and energy storage system including the same 有权
    电池装置和能源储存系统,包括它们

    公开(公告)号:JP2014193109A

    公开(公告)日:2014-10-06

    申请号:JP2014061702

    申请日:2014-03-25

    CPC classification number: H02J3/32 H01M10/482 H02J7/022 H02M7/23

    Abstract: PROBLEM TO BE SOLVED: To provide: a battery device for permitting continuous operation even when a battery device is out of order and for increasing stability of an energy storage apparatus; and an energy storage system including the same.SOLUTION: Provided is an energy storage system including: a battery device 304 that is configured from multiple battery unit modules 402, 403, 404; and a power converting system 303 that is configured to be connected to the battery device 304 and that converts electric power between a system and the battery device 304. The battery device 304 includes multiple switches 408, each of which establishes a connection between the power converting system 303 and corresponding one of the battery unit modules 402, 403, 404.

    Abstract translation: 要解决的问题:提供一种电池装置,即使在电池装置出故障的情况下也能够连续运转,能够提高储能装置的稳定性; 以及包括其的能量存储系统。解决方案:提供一种能量存储系统,包括:由多个电池单元模块402,403,404构成的电池装置304; 以及被配置为连接到电池装置304并且在系统和电池装置304之间转换电力的电力转换系统303.电池装置304包括多个开关408,每个开关408建立电力转换 系统303和相应的一个电池单元模块402,403,404。

    Control circuit for electric power circuit switch
    95.
    发明专利
    Control circuit for electric power circuit switch 有权
    电力电路开关控制电路

    公开(公告)号:JP2014180196A

    公开(公告)日:2014-09-25

    申请号:JP2014035196

    申请日:2014-02-26

    Inventor: JEONG YOUNG WOO

    CPC classification number: H02H3/08 H02H3/44 H02H3/46

    Abstract: PROBLEM TO BE SOLVED: To provide a control circuit for an electric power circuit switch capable of breaking an electric power circuit.SOLUTION: A control circuit for an electric power circuit switch of the present invention includes: a sampling/hold (S/H) circuit section configured to sample a period of a detection signal of a current of an electric power system and provide a sampled signal; a discrete Fourier transformer connected to an output end of the sampling/hold circuit section and perform a discrete Fourier transforming on the one-period detection signal of the current of the electric power system provided from the sampling/hold circuit section to provide a magnitude and a phase of a frequency component of the current of the electric power system; a differentiator configured to differentiate the detection signal of the current of the electric power system to provide a rate of change of the current of the electric power system over time; and a controller connected to the discrete Fourier transformer and the differentiator, and configured to determine whether to perform trip controlling according to the magnitude of the frequency component of the current of the electric power system from the discrete Fourier transformer or the rate of change from the differentiator on the basis of the rate of change of the current of the electric power system and the reference rate of change.

    Abstract translation: 本发明的电力电路开关的控制电路包括:取样/保持(S / H)控制电路, 电路部分,被配置为对电力系统的电流的检测信号的周期进行采样,并提供采样信号; 连接到采样/保持电路部分的输出端的离散付里叶变换器,对从采样/保持电路部分提供的电力系统的电流的一周期检测信号执行离散付里叶变换,以提供幅度和 电力系统的电流的频率分量的相位; 微分器,被配置为区分电力系统的电流的检测信号,以提供电力系统的电流随时间的变化率; 以及控制器,连接到离散傅立叶变换器和微分器,并且被配置为根据来自离散付里叶变换器的电力系统的电流的频率分量的大小来确定是否执行跳闸控制,或者从 基于电力系统电流变化率和参考变化率的微分器。

    Electromagnetic switching device
    98.
    发明专利
    Electromagnetic switching device 有权
    电磁开关装置

    公开(公告)号:JP2014157810A

    公开(公告)日:2014-08-28

    申请号:JP2013219996

    申请日:2013-10-23

    Inventor: LEE SAN-JIN

    CPC classification number: H01H50/56 H01H50/18 H01H50/305 H01H50/34

    Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic switching device capable of improving endurance without being broken even in an iterative operation.SOLUTION: An electromagnetic switching device according to the present invention comprises: a housing; a fixed contact point provided inside the housing; a movable contact point positioned under the fixed contact point and repeatedly performing contact with and separation from the fixed contact point; a shaft with which the movable contact point is coupled; a return spring to continuously press the shaft downward; and a movable core coupled with the shaft. The shaft includes a pressing surface directed downward. The movable core is disposed so that an upper end thereof is brought into contact with the pressing surface. When the movable core and the shaft move up, the movable core presses the pressing surface to move up the pressing surface, and when the movable core and the shaft move down, the pressing surface presses the movable core to push down the movable core downward.

    Abstract translation: 要解决的问题:提供一种即使在迭代操作中能够提高耐久性而不被破坏的电磁开关装置。解决方案:根据本发明的电磁开关装置包括:壳体; 设置在壳体内的固定接触点; 位于所述固定接触点下方并且反复地与所述固定接触点接触和分离的可动接触点; 与可动接触点联接的轴; 一个复位弹簧连续按压轴向下; 以及与所述轴联接的可动芯。 轴包括朝下的按压面。 可动铁芯的上端配置成与压紧面接触。 当可动铁芯和轴向上移动时,可动铁心按压按压面向上按压表面,当可动铁芯和轴向下移动时,按压表面按压可动铁芯向下推动可动铁芯。

    Electromagnetic switching device
    99.
    发明专利
    Electromagnetic switching device 有权
    电磁开关装置

    公开(公告)号:JP2014157806A

    公开(公告)日:2014-08-28

    申请号:JP2013198043

    申请日:2013-09-25

    Inventor: LEE SAN-JIN

    CPC classification number: H01H50/163 H01H50/305 H01H50/34

    Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic switching device capable of reducing a distance between a movable core and an upper fixed core when the temperature increases by using a property of a vertical volume of an elastic member at a bottom end of a shaft expanding as the temperature increases.SOLUTION: An electromagnetic switching device includes: a shaft coupled with a movable contact point to reciprocate up and down; and an elastic member coupled with a bottom end of the shaft, where a vertical volume of the elastic member expands as the temperature increases.

    Abstract translation: 要解决的问题:提供一种电磁开关装置,其能够通过使用膨胀时的轴的底端处的弹性构件的垂直容积的特性来降低可动芯和上固定芯之间的距离, 温度升高。解决方案:一种电磁开关装置,包括:一个与可动触点相连的轴上下往复运动; 以及与所述轴的底端联接的弹性构件,其中所述弹性构件的垂直体积随着温度升高而膨胀。

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