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    • 4. 发明授权
    • Method and system for operating an electric motor
    • 操作电动机的方法和系统
    • US08359131B2
    • 2013-01-22
    • US12732003
    • 2010-03-25
    • Gabriel Gallegos-LopezSilva HitiMilun Perisic
    • Gabriel Gallegos-LopezSilva HitiMilun Perisic
    • B60L9/00
    • B60L15/025B60L11/14B60L15/20B60L2220/14Y02T10/643Y02T10/70Y02T10/7077Y02T10/7275
    • Methods and systems for operating an electric motor having a plurality of windings with an inverter having a plurality of switches coupled to a voltage source are provided. A first plurality of switching vectors is applied to the plurality of switches. The first plurality of switching vectors includes a first ratio of first magnitude switching vectors to second magnitude switching vectors. A direct current (DC) current associated with the voltage source is monitored during the applying of the first plurality of switching vectors to the plurality of switches. A second ratio of the first magnitude switching vectors to the second magnitude switching vectors is selected based on the monitoring of the DC current associated with the voltage source. A second plurality of switching vectors is applied to the plurality of switches. The second plurality of switching vectors includes the second ratio of the first magnitude switching vectors to the second magnitude switching vectors.
    • 提供了用于操作具有多个绕组的电动机的方法和系统,其中逆变器具有耦合到电压源的多个开关。 第一多个切换矢量被施加到多个开关。 第一多个切换矢量包括第一幅度切换矢量与第二幅度切换矢量的第一比率。 在将第一多个切换向量应用于多个开关期间,监视与电压源相关联的直流(DC)电流。 基于与电压源相关联的直流电流的监视来选择第一幅度切换矢量与第二幅度切换矢量的第二比率。 第二多个切换向量被应用于多个开关。 第二多个切换矢量包括第一幅度切换矢量与第二幅度切换矢量的第二比率。
    • 10. 发明授权
    • Methods, systems and apparatus for controlling operation of two alternating current (AC) machines
    • 用于控制两台交流(AC)机器的操作的方法,系统和装置
    • US08115430B2
    • 2012-02-14
    • US12473964
    • 2009-05-28
    • Gabriel Gallegos-LopezJames M. NagashimaMilun PerisicSilva Hiti
    • Gabriel Gallegos-LopezJames M. NagashimaMilun PerisicSilva Hiti
    • H02P21/00H02P27/00
    • H02P5/74B60L15/007B60L15/08B60L2200/26B60L2210/46H02P21/22Y02T10/643Y02T10/645Y02T10/7241
    • A system is provided for controlling two AC machines. The system comprises a DC input voltage source that provides a DC input voltage, a voltage boost command control module (VBCCM), a five-phase PWM inverter module coupled to the two AC machines, and a boost converter coupled to the inverter module and the DC input voltage source. The boost converter is designed to supply a new DC input voltage to the inverter module having a value that is greater than or equal to a value of the DC input voltage. The VBCCM generates a boost command signal (BCS) based on modulation indexes from the two AC machines. The BCS controls the boost converter such that the boost converter generates the new DC input voltage in response to the BCS. When the two AC machines require additional voltage that exceeds the DC input voltage required to meet a combined target mechanical power required by the two AC machines, the BCS controls the boost converter to drive the new DC input voltage generated by the boost converter to a value greater than the DC input voltage.
    • 提供一种用于控制两台交流电机的系统。 该系统包括提供DC输入电压的DC输入电压源,升压指令控制模块(VBCCM),耦合到两个AC电机的五相PWM逆变器模块,以及耦合到逆变器模块和 直流输入电压源。 升压转换器被设计为向逆变器模块提供具有大于或等于直流输入电压值的新的直流输入电压。 VBCCM基于来自两台交流电机的调制指数生成升压指令信号(BCS)。 BCS控制升压转换器,使升压转换器响应于BCS产生新的直流输入电压。 当两台交流电机需要超过满足两台交流电机所需的组合目标机械功率所需的直流输入电压的额外电压时,BCS控制升压转换器将升压转换器产生的新的直流输入电压驱动到一个值 大于直流输入电压。