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    • 6. 发明申请
    • PMSM FIELD WEAKING FOR APPLIANCE MOTORS
    • PMSM现场电动机扬声器
    • US20140055065A1
    • 2014-02-27
    • US13590704
    • 2012-08-21
    • Richard D. Suel, IIAbhijeet A. Bhandwale
    • Richard D. Suel, IIAbhijeet A. Bhandwale
    • H02P23/14
    • H02P23/14H02P23/009H02P2205/07
    • An electric motor in an appliance and a method of controlling the motor to achieve speeds greater than a base speed of the motor is provided. To achieve speeds above the base speed of the motor, field weakening can be implemented by applying a field weakening angle to a phase advance angle between a desired stator flux and a rotor flux. The field weakening angle can be based on the current speed of the motor. The field weakening angle can be a fixed angle and can be determined by comparing the current speed of the motor with a predetermined threshold. In addition, the magnitude of the electrical signal applied to the motor can be adjusted during field weakening based on a desired speed of the motor where the electrical signal can be a voltage.
    • 提供了一种电器中的电动机以及控制电动机以实现大于电动机的基准速度的速度的方法。 为了实现高于电动机的基准速度的速度,可以通过对期望的定子磁通和转子磁通之间的相位提前角施加磁场弱化角来实现磁场弱化。 磁场弱化角度可​​以基于电机的当前速度。 磁场弱化角度可​​以是固定角度,可以通过将电动机的当前速度与预定阈值进行比较来确定。 此外,施加到电动机的电信号的大小可以在电场弱化期间根据电动机的期望速度进行调整,其中电信号可以是电压。
    • 10. 发明授权
    • PMSM field weakening for appliance motors
    • 家用电器的PMSM场弱化
    • US08866423B2
    • 2014-10-21
    • US13590704
    • 2012-08-21
    • Richard D. Suel, IIAbhijeet A. Bhandwale
    • Richard D. Suel, IIAbhijeet A. Bhandwale
    • H02P6/08
    • H02P23/14H02P23/009H02P2205/07
    • An electric motor in an appliance and a method of controlling the motor to achieve speeds greater than a base speed of the motor is provided. To achieve speeds above the base speed of the motor, field weakening can be implemented by applying a field weakening angle to a phase advance angle between a desired stator flux and a rotor flux. The field weakening angle can be based on the current speed of the motor. The field weakening angle can be a fixed angle and can be determined by comparing the current speed of the motor with a predetermined threshold. In addition, the magnitude of the electrical signal applied to the motor can be adjusted during field weakening based on a desired speed of the motor where the electrical signal can be a voltage.
    • 提供了一种电器中的电动机以及控制电动机以实现大于电动机的基准速度的速度的方法。 为了实现高于电动机的基准速度的速度,可以通过对期望的定子磁通和转子磁通之间的相位提前角施加磁场弱化角来实现磁场弱化。 磁场弱化角度可​​以基于电机的当前速度。 磁场弱化角度可​​以是固定角度,可以通过将电动机的当前速度与预定阈值进行比较来确定。 此外,施加到电动机的电信号的大小可以在电场弱化期间根据电动机的期望速度进行调整,其中电信号可以是电压。