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    • 6. 发明申请
    • PERMANENT-MAGNET-TYPE ROTATING ELECTRICAL MACHINE
    • 永磁式旋转电机
    • US20100327787A1
    • 2010-12-30
    • US12918770
    • 2009-02-16
    • Kazuto SakaiKazuaki Yuuki
    • Kazuto SakaiKazuaki Yuuki
    • H02P6/08H02K1/27H02K15/00B23P19/00
    • H02K1/276H02K1/2766H02P21/22Y10T29/49009Y10T29/49822
    • The present invention provides a permanent-magnet-type rotating electrical machine capable of realizing variable-speed operation in a wide range from low speed to high speed at high output and improving, in a wide operating range, efficiency, reliability, and productivity. A narrow magnetic path 11 is formed in a rotor core 2 of a rotor 1 at an inter-pole yoke that magnetically connects adjacent pole core portions 7 to each other, so that the narrow magnetic path is magnetically saturated with flux of a magnetic field created by a predetermined magnetizing current passed to an armature coil 21. Each of first permanent magnets 3 at each of the pole core portions 7 is magnetized with a magnetic field created by a magnetizing current passed to the armature coil 21, to irreversibly change the flux amount of the first permanent magnet.
    • 本发明提供一种永磁式旋转电机,能够实现从低速到高速,高输出的宽范围内的变速操作,并且在广泛的运行范围,效率,可靠性和生产率方面得到改善。 窄磁路11形成在转子1的转子铁心2中的磁极彼此相互磁极连接的极间磁轭处,使得窄磁路被产生的磁场的磁通量磁饱和 通过预定的通过电枢线圈21的磁化电流。各磁极部7的每个第一永久磁铁3被通过电枢线圈21的磁化电流产生的磁场磁化,不可逆地改变磁通量 的第一个永久磁铁。
    • 7. 发明申请
    • PERMANENT MAGNET ROTATING ELECTRICAL MACHINE AND PERMANENT MAGNET MOTOR DRIVE SYSTEM
    • 永磁电机和永磁电机驱动系统
    • US20100060223A1
    • 2010-03-11
    • US12593146
    • 2007-12-07
    • Kazuto SakaiKazuaki Yuuki
    • Kazuto SakaiKazuaki Yuuki
    • H02P7/06H02K21/14
    • H02P21/06H02K1/2766H02P2207/05Y10T29/49009Y10T29/49822
    • A permanent magnet rotating electrical machine capable of conducting a variable speed operation at high output in a wide range from low speed to high speed and improving efficiency and reliability in a wide operating range. Two kinds of permanent magnets having different shapes or different magnetic characteristics are embedded in a rotor core, to form a magnetic pole. The permanent magnets arranged at the magnetic pole include a permanent magnet whose product of coercive force and thickness along a magnetizing direction is small and the permanent magnet whose product of coercive force and thickness along the magnetizing direction is large. A magnetic field created by passing a current to an armature coil for a short time is used to irreversibly magnetize the permanent magnet whose product of coercive force and thickness along magnetizing direction is small, thereby changing a total linkage flux amount, and a positive d-axis current is passed when torque is large.
    • 一种永磁式旋转电机,能够在从低速到高速的宽范围内以高输出进行变速运转,并能在较宽的运行范围内提高效率和可靠性。 将具有不同形状或不同磁特性的两种永磁体嵌入转子铁芯中,以形成磁极。 设置在磁极上的永磁体包括永磁体,其矫顽力和沿磁化方向的厚度的乘积小,并且永久磁铁的矫顽力和沿着磁化方向的厚度的乘积大。 使用通过使电流线圈短时间流过电流而产生的磁场,使永久磁铁不可逆地磁化,永久磁铁的矫顽力和沿磁化方向的厚度乘积小,从而改变总的交链磁通量, 当转矩大时,轴电流通过。
    • 8. 发明授权
    • Controller for synchronous machine
    • 同步机控制器
    • US07253583B2
    • 2007-08-07
    • US11356310
    • 2006-02-17
    • Kazuya YasuiKazuaki YuukiKentaro Suzuki
    • Kazuya YasuiKazuaki YuukiKentaro Suzuki
    • H02P1/46H02P1/50H02P3/18H02P6/00H02P23/00
    • H02P21/141H02P21/14H02P21/18H02P21/24H02P2203/11H02P2207/05
    • A controller for a synchronous machine includes: a power converter; a synchronous machine driven by the power converter; a PWM modulation section for controlling the synchronous machine; a current detection section which detects a current conducted to the synchronous machine; a voltage detection section which detects a voltage applied to the synchronous machine; a current variation operation section which operates a current variation during a time interval between timings synchronized with detection sampling in the current detection section; a voltage integration operation section which operates a voltage integration value during a time interval between the same timings as the timings in the current variation operation section; a current variation operation section for a time interval in which all sets are included, defining, as one set, the current variation and the voltage integration value, and operating a current variation during the time interval in which all the sets are included; a voltage integration operation section for the time interval in which all the sets are included, integrating a voltage during the same time interval as the time interval in the current variation section for the time interval in which all the sets are included; and a rotation phase angle assumption section which assumes a rotation phase angle of the synchronous machine.
    • 一种用于同步电机的控制器包括:功率转换器; 由电源转换器驱动的同步电机; 用于控制同步电机的PWM调制部分; 电流检测部,其检测导通到所述同步电机的电流; 电压检测部,其检测施加到所述同步电机的电压; 电流变动动作部,其在与所述当前检测部中的检测取样同步的定时之间的时间间隔内动作电流变动; 电压积分运算部,其在与当前变动运算部中的定时相同的定时之间的时间间隔内动作电压积分值; 一个电流变化操作部分,用于包括所有组的时间间隔,将一个组定义为当前变化和电压积分值,并且在包括所有组的时间间隔期间操作电流变化; 包括所有组的时间间隔的电压积分操作部分,在包括所有组的时间间隔内,将与当前变化部分中的时间间隔相同的时间间隔内的电压积分; 以及呈现同步电机的旋转相位角的旋转相位角假设部。
    • 9. 发明申请
    • Control system for synchronous machine
    • 同步机控制系统
    • US20060097686A1
    • 2006-05-11
    • US11259367
    • 2005-10-27
    • Kazuya YasuiKazuaki YuukiKentaro SuzukiKatsumi MaekawaShouji Onda
    • Kazuya YasuiKazuaki YuukiKentaro SuzukiKatsumi MaekawaShouji Onda
    • H02P1/46
    • H02P6/18H02P25/03
    • A control system for a synchronous machine including a converter for converting DC voltage to AC voltage or AC voltage to DC voltage. The synchronous machine is driven by the converter. The control system further includes a magnetic pole position presuming device for performing a presuming operation to presume a magnetic pole position of the synchronous machine based on high-frequency components of a voltage applied to the synchronous machine and a current flowing into the synchronous machine, and a control device for controlling the converter based on the magnetic pole position presumed by the magnetic pole position presuming device. The control device controls the converter so as to contain significant high-frequency components in the voltage or the current used in the presuming operation when a mean voltage or a mean current output from the converter is spatially in a region close to a straight line containing starting and ending points of non-zero voltage vector output from the converter.
    • 一种用于同步电机的控制系统,包括用于将DC电压转换成AC电压或AC电压到DC电压的转换器。 同步电机由变频器驱动。 控制系统还包括磁极位置推定装置,用于基于施加到同步电机的电压的高频分量和流入同步电机的电流进行推定同步电机的磁极位置的推定操作,以及 控制装置,用于基于由磁极位置推定装置假设的磁极位置来控制转换器。 控制装置控制转换器,以便在从转换器输出的平均电压或平均电流在空间上在接近包含起始点的直线的区域中时,在预设操作中使用的电压或电流中包含显着的高频分量 和从转换器输出的非零电压矢量的终点。