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    POWER CONVERTING APPARATUS FOR AN ELECTRIC CAR
    2.
    发明公开
    POWER CONVERTING APPARATUS FOR AN ELECTRIC CAR 有权
    电力转换装置FOR A电动车

    公开(公告)号：EP2493064A4

    公开(公告)日：2016-07-27

    申请号：EP09850581

    申请日：2009-10-22

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： KONO MASAKI ,  KUSANO KENICHI ,  YAMASHITA YOSHINORI ,  KITANAKA HIDETOSHI ,  HATANAKA KEITA

    IPC: H02M7/48 ,  B60L3/00 ,  H02H7/08 ,  H02H7/122 ,  H02M1/32 ,  H02M7/5387 ,  H02P29/024

    CPC classification number: B60L3/003 ,  B60L2200/26 ,  B60L2220/14 ,  H02H7/0838 ,  H02H7/122 ,  H02H7/1225 ,  H02M1/32 ,  H02M7/53875 ,  H02P29/027 ,  Y02T10/642

    Abstract: To disclose a power converting apparatus for an electric vehicle including a power converter 2 that has switching elements Gu to Gz and drives a synchronous machine 1, an opening/closing unit 4, current detectors 3a to 3c, and a controller 6 that controls ON/OFF of the switching elements Gu to Gz and opening/closing of the opening/closing unit 4 based on currents detected by the current detectors 3a to 3c. The controller 6 including a fault detector 9 that detects whether any of the switching elements Gu to Gz has a short-circuit fault and outputs a signal indicating a detection result, an ON/OFF controller 7 that sets one of the switching elements that constitute a phase (a V phase or a W phase) other than a first phase (for example, a U phase) that involves the short-circuit fault to an ON operation state and outputs a signal for opening the opening/closing unit 4, and an opening/closing controller 8 that opens a V-phase opening/closing unit 4b connected to a third phase (for example, the V phase) other than the first phase and the second phase in which one of the switching elements (for example, the W phase) is set to the ON operation state by the ON/OFF controller 7.

    CONTROL APPARATUS FOR AC ROTATING MACHINE
    3.
    发明公开
    CONTROL APPARATUS FOR AC ROTATING MACHINE 审中-公开
    控制装置的旋转机器交流电源

    公开(公告)号：EP2600518A4

    公开(公告)日：2016-12-28

    申请号：EP11812045

    申请日：2011-07-26

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： KATO SHO ,  YAMASAKI HISANORI ,  HATANAKA KEITA ,  KITANAKA HIDETOSHI ,  YAMASHITA YOSHINORI

    IPC: H02P6/18 ,  H02P21/00 ,  H02P21/18 ,  H02P21/26 ,  H02P21/34 ,  H02P27/04

    CPC classification number: H02P6/205 ,  H02P21/18 ,  H02P21/26 ,  H02P21/34 ,  H02P2203/05 ,  H02P2203/09

    Abstract: In order to obtain a control apparatus for an AC rotating machine that can reliably and stably start up an AC rotating machine, particularly a synchronous motor using a permanent magnet, in position-sensorless vector control thereof, the control apparatus for an AC rotating machine comprises a steady speed calculator (16) that calculates, during steady state control of the AC rotating machine (3), a rotation angular frequency of an AC rotating machine (3) based on an AC current and voltage commands; and a start-up speed calculator (17) that calculates, during start-up control within a predetermined period after the AC rotating machine (3) has been started up, the rotation angular frequency of the AC rotating machine (3) based on the AC current and the voltage commands; wherein the control apparatus corrects during the start-up control current commands so that the AC voltage amplitude of the voltage commands will be a constant value not more than the maximum output voltage of a power converter (2).

    POWER CONVERSION DEVICE
    5.
    发明公开
    POWER CONVERSION DEVICE 审中-公开
    STROMWANDLER

    公开(公告)号：EP2913915A4

    公开(公告)日：2017-04-19

    申请号：EP13848781

    申请日：2013-08-22

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： KATO SHO ,  YAMASAKI HISANORI ,  OKADA YURUKI ,  YAMASHITA YOSHINORI

    IPC: H02M7/487 ,  H02M1/38 ,  H02M7/48 ,  H02P27/14

    CPC classification number: H02M7/06 ,  G01R19/00 ,  H02M7/46 ,  H02M7/487

    Abstract: A control section (9) for controlling a 3-level power conversion circuit (1) is provided. The control section (9) calculates ON voltage error based on time ratios of three potentials in a predetermined certain period and a current value from a current detection section (7) for detecting current output from the 3-level power conversion circuit (1), corrects a voltage command value based on a voltage correction amount for correcting the ON voltage error, and performs ON/OFF control for semiconductor switching elements of the 3-level power conversion circuit (1) based on the corrected voltage command value.

    Abstract translation: 提供了用于控制3电平功率转换电路（1）的控制部分（9）。 控制部（9）基于预定的特定时间段中的三个电位的时间比和来自电流检测部（7）的电流值来计算导通电压误差，该电流检测部用于检测从三电平功率转换电路（1）输出的电流， 基于用于校正导通电压误差的电压校正量来校正电压指令值，并且基于校正后的电压指令值来对三电平功率转换电路（1）的半导体开关元件进行导通/截止控制。

    MOTOR CONTROL DEVICE
    6.
    发明公开
    MOTOR CONTROL DEVICE 审中-公开

    公开(公告)号：EP2811644A4

    公开(公告)日：2016-01-20

    申请号：EP13743139

    申请日：2013-01-30

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： YOSHIMOTO TAKUJI ,  YAMASHITA YOSHINORI

    IPC: H02P21/00 ,  H02P27/04

    CPC classification number: H02P23/03 ,  H02P21/02 ,  H02P21/04 ,  H02P21/22 ,  H02P23/02

    Abstract: A motor control apparatus includes a secondary-magnetic-flux-command calculating unit 5 including a minimum-current-secondary-magnetic-flux-command calculating unit that calculates a secondary magnetic flux command F2R for minimizing a current root-mean-square value due to a torque current and an excitation current and a PWM-signal generating unit 9 that generates a torque current command for outputting a desired torque command PTR and an excitation current command for outputting the secondary magnetic flux command F2R, performs vector control such that a q-axis current I1QF, which is a detection value of the torque current, and a d-axis current I1DF, which is a detection value of the excitation current, respectively coincide with the torque current command and the excitation current command, and generates control signals U, V, W, X, Y, and Z for turning on and off a switching element 16 included in an inverter 11.

    CONTROL APPARATUS OF AC ROTATING MACHINE
    7.
    发明公开
    CONTROL APPARATUS OF AC ROTATING MACHINE 审中-公开
    控制装置的旋转机器交流电源

    公开(公告)号：EP2600519A4

    公开(公告)日：2016-10-19

    申请号：EP11812122

    申请日：2011-03-25

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： KATO SHO ,  YAMASAKI HISANORI ,  HATANAKA KEITA ,  KITANAKA HIDETOSHI ,  YAMASHITA YOSHINORI

    IPC: H02P27/06 ,  H02P6/08 ,  H02P21/00 ,  H02P21/24 ,  H02P27/04

    CPC classification number: H02P21/0039 ,  H02P21/13 ,  H02P21/141 ,  H02P21/24 ,  H02P2207/05

    Abstract: A control apparatus for an AC rotary machine includes: a current detection section (4) detecting current from a power converter (2) to the AC rotary machine (3); and a control section (1) generating a three-phase AC voltage instruction to the power converter (2), based on current detected by the current detection section (4) and a torque instruction. The control section (1) includes: an observer (50) calculating a magnetic flux estimated value of the AC rotary machine (3), based on the detected current and the voltage instruction; a current instruction calculation unit (10) calculating current instruction values on rotational two axes, based on the torque instruction and the magnetic flux estimated value from the observer (50); and a voltage instruction calculation unit (20) calculating the voltage instruction, based on the current instruction values from the current instruction calculation unit (10) and the magnetic flux estimated value from the observer (50).

    ELEKTROFAHRZEUG-STEUEREINRICHTUNG
    8.
    发明专利
    ELEKTROFAHRZEUG-STEUEREINRICHTUNG 未知

    公开(公告)号：DE112015006217T5

    公开(公告)日：2017-11-16

    申请号：DE112015006217

    申请日：2015-02-24

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： KATO SHO ,  TERAMOTO KOTA ,  YAMASHITA YOSHINORI

    IPC: B60L15/20

    Abstract: Eine Elektrofahrzeug-Steuereinrichtung weist mehrere Leistungswandlungseinrichtungen auf, die jeweils einen Motor unter Verwendung einer sensorlosen Steuerung antreiben. Die Elektrofahrzeug-Steuereinrichtung weist eine Signalauswahleinheit 9 und einen Signalschalter 10 zum Auswählen, auf Basis von Information über die Fahrzeuggeschwindigkeit, auf, welches Steuersystem die Leistungswandlungseinrichtungen 1 startet, und die Leistungswandlungseinrichtungen 1 (11, 12, ..., 1N) starten einen Betrieb mit dem identischen Steuersystem auf Basis der Fahrzeuggeschwindigkeit.

    Motorantriebseinrichtung und Fahrzeugantriebssystem
    9.
    发明专利
    Motorantriebseinrichtung und Fahrzeugantriebssystem 未知

    公开(公告)号：DE112015006161T5

    公开(公告)日：2017-11-02

    申请号：DE112015006161

    申请日：2015-02-13

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： TERAMOTO KOTA ,  YAMASHITA YOSHINORI ,  KATO SHO

    IPC: H02P6/18

    Abstract: Motorantriebseinrichtung mit einer Modulierte-Welle-Erzeugungseinheit (6), die modulierte Wellen (αu, αv und αw) erzeugt, einer Trägerwellen-Erzeugungseinheit (5), die die Trägerwelle (Ca) erzeugt, einer Schaltsignal-Erzeugungseinheit (7), die die Trägerwelle (Ca) und die modulierten Wellen (αu, αv und αw) vergleicht, um Schaltsignale (SWu, SWv und SWw) zu erzeugen, und einer Leistungswandlungseinheit (2) mit einem Schaltelement, das einen Schaltbetrieb auf Basis der Schaltsignale (SWu, SWv und SWw) durchführt. Die Trägerwellen-Erzeugungseinheit (5) ändert eine Frequenz der Trägerwelle (Ca) unabhängig von einer Frequenz des Spannungsbefehls zur Positionsschätzung.

    CONTROL APPARATUS OF AC ROTATING MACHINE
    10.
    发明专利
    CONTROL APPARATUS OF AC ROTATING MACHINE 未知

    公开(公告)号：CA2806515A1

    公开(公告)日：2012-02-02

    申请号：CA2806515

    申请日：2011-03-25

    Applicant: MITSUBISHI ELECTRIC CORP

    Inventor： YAMASHITA YOSHINORI ,  KATO SHO ,  YAMASAKI HISANORI ,  HATANAKA KEITA ,  KITANAKA HIDETOSHI

    IPC: H02P21/00 ,  H02P27/06 ,  H02P21/05 ,  H02P21/13 ,  H02P21/14 ,  H02P21/18 ,  H02P21/22 ,  H02P21/24 ,  H02P23/04 ,  H02P23/12 ,  H02P23/14 ,  H02P27/04

    Abstract: A control apparatus of AC rotating machine comprises: a current detection unit (4) that detects currents flowing from a power converter (2) to an AC motor (3); and a control unit (1) that generates, from the currents detected by the current detection unit (4) and a torque command value, three-phase AC voltage commands for the power converter (2). The control unit (1) comprises: an observer (50) that calculates, on the basis of the detected currents and the voltage commands, an estimated magnetic flux value of the AC rotating machine (3); a current command calculator (10) that calculates, on the basis of the torque command and the estimated magnetic flux value obtained by the observer (50), rotational two-axis current command values; and a voltage command calculator (20) that calculates voltage commands on the basis of both the current command value obtained by the current command calculator (10) and the estimated magnetic flux value obtained by the observer (50).

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