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    • 1. 发明申请
    • MOTOR CONTROL APPARATUS
    • 电动机控制装置
    • US20080265831A1
    • 2008-10-30
    • US12107358
    • 2008-04-22
    • Nobuyuki IMAIYoshinari MurayamaJunji Inoue
    • Nobuyuki IMAIYoshinari MurayamaJunji Inoue
    • H02P27/08
    • H02P6/183H02P21/06H02P21/22
    • A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period.
    • 一种电动机控制装置,具有逆变器,用于使用PWM信号将电流顺序地转换到电动机; PWM信号产生装置,用于使用载波信号产生PWM信号; 用于检测旋转状态量的旋转状态量传感器; 相位差检测装置,用于根据转动状态量检测载波信号与转动周期之间的相位差; 频率设定装置,用于当所述旋转频率等于或大于指定频率时,将所述载波信号的频率设定为与所述电动机的旋转周期的电角度相关的一个周期的乘数的值;以及 相位差等于或小于指定值; 以及用于使载波信号的控制周期与转动周期同步的同步装置。
    • 2. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07872435B2
    • 2011-01-18
    • US12107358
    • 2008-04-22
    • Nobuyuki ImaiYoshinari MurayamaJunji Inoue
    • Nobuyuki ImaiYoshinari MurayamaJunji Inoue
    • G05B11/28
    • H02P6/183H02P21/06H02P21/22
    • A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period.
    • 一种电动机控制装置,具有逆变器,用于使用PWM信号将电流顺序地转换到电动机; PWM信号产生装置,用于使用载波信号产生PWM信号; 用于检测旋转状态量的旋转状态量传感器; 相位差检测装置,用于根据转动状态量检测载波信号与转动周期之间的相位差; 频率设定装置,用于当所述旋转频率等于或大于指定频率时,将所述载波信号的频率设定为与所述电动机的旋转周期的电角度相关的一个周期的乘数的值;以及 相位差等于或小于指定值; 以及用于使载波信号的控制周期与转动周期同步的同步装置。
    • 3. 发明申请
    • Stator
    • 定子
    • US20070114871A1
    • 2007-05-24
    • US11598564
    • 2006-11-14
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • H02K1/00H02K23/32H02K21/00
    • H02K3/12H02K3/28
    • In this stator, first and second U-phase loop windings and first and second W-phase loop windings are short-pitch wave windings, and the width in the circumferential direction of the slot between the U and V-phases in which the loop windings are disposed and the slot between the V and W-phases in which the loop windings are disposed is set to a value that is ½ the width in the circumferential direction of the slot between the W and U-phases in which the loop windings are disposed. The ratio of the first winding turns number of the loop windings and the second winding turns number of the loop windings is set so that when having added the induced voltages by the loop windings or having added the induced voltages by the loop windings in the slots, the phase difference of the induced voltages obtained by addition is 120 electrical degrees.
    • 在该定子中,第一和第二U相环绕组和第一和第二W相环绕组是短节距波绕组,以及在U相和V相之间的槽的圆周方向上的宽度,其中环绕组 并且在其中布置环绕组的V相和W相之间的槽被设定为在其中设置环绕组的W和U相之间的槽的周向宽度的1/2的值 。 设置环绕组的第一绕组匝数与环绕组的第二匝数之比,使得当通过环绕组添加感应电压或通过槽中的环绕组添加感应电压时, 通过加法获得的感应电压的相位差为120电度。
    • 4. 发明授权
    • Stator
    • 定子
    • US07687962B2
    • 2010-03-30
    • US11598564
    • 2006-11-14
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • H02K17/00
    • H02K3/12H02K3/28
    • In this stator, first and second U-phase loop windings and first and second W-phase loop windings are short-pitch wave windings, and the width in the circumferential direction of the slot between the U and V-phases in which the loop windings are disposed and the slot between the V and W-phases in which the loop windings are disposed is set to a value that is ½ the width in the circumferential direction of the slot between the W and U-phases in which the loop windings are disposed. The ratio of the first winding turns number of the loop windings and the second winding turns number of the loop windings is set so that when having added the induced voltages by the loop windings or having added the induced voltages by the loop windings in the slots, the phase difference of the induced voltages obtained by addition is 120 electrical degrees.
    • 在该定子中,第一和第二U相环绕组和第一和第二W相环绕组是短节距波绕组,以及在U相和V相之间的槽的圆周方向上的宽度,其中环绕组 并且在其中布置环绕组的V相和W相之间的槽被设定为在其中设置环绕组的W和U相之间的槽的周向宽度的1/2的值 。 设置环绕组的第一绕组匝数与环绕组的第二匝数之比,使得当通过环绕组添加感应电压或通过槽中的环绕组添加感应电压时, 通过加法获得的感应电压的相位差为120电度。