Electrical machine with dual radial airgaps
    1.
    发明授权
    Electrical machine with dual radial airgaps 有权
    具有双径向气隙的电机

    公开(公告)号:US08169109B2

    公开(公告)日:2012-05-01

    申请号:US12722044

    申请日:2010-03-11

    IPC分类号: H02K37/00

    摘要: A switched reluctance machine has an array of poles attached to a stationary holding member to form a stator. The stator has no back-iron. The machine has two arrays of rotor poles, positioned on either side of the stator poles, and circumferentially aligned with each other. When a pair of rotor poles is aligned with a stator pole, a small airgap is formed at each end of the stator pole, across which flux can be driven to produce torque in a rotary arrangement or force in a linear arrangement. When the poles are in the unaligned position, the phase inductance is very low.

    摘要翻译: 开关磁阻电机具有连接到固定保持构件的极阵列,以形成定子。 定子没有后铁。 该机具有位于定子极的任一侧的两个转子极阵列,并且彼此周向对准。 当一对转子极与定子极对准时,在定子极的每个端部处形成小的气隙,通过该定子极可以驱动磁通以在线性布置中以旋转布置或力产生扭矩。 当极点处于未对齐位置时,相电感非常低。

    Electrical Machine with Dual Radial Airgaps
    2.
    发明申请
    Electrical Machine with Dual Radial Airgaps 有权
    双径向气隙电机

    公开(公告)号:US20100231062A1

    公开(公告)日:2010-09-16

    申请号:US12722044

    申请日:2010-03-11

    IPC分类号: H02K37/02 H02K16/02

    摘要: A switched reluctance machine has an array of poles attached to a stationary holding member to form a stator. The stator has no back-iron. The machine has two arrays of rotor poles, positioned on either side of the stator poles, and circumferentially aligned with each other. When a pair of rotor poles is aligned with a stator pole, a small airgap is formed at each end of the stator pole, across which flux can be driven to produce torque in a rotary arrangement or force in a linear arrangement. When the poles are in the unaligned position, the phase inductance is very low.

    摘要翻译: 开关磁阻电机具有连接到固定保持构件的极阵列,以形成定子。 定子没有后铁。 该机具有位于定子极的任一侧的两个转子极阵列,并且彼此周向对准。 当一对转子极与定子极对准时,在定子极的每个端部处形成小的气隙,通过该定子极可以驱动磁通以在线性布置中以旋转布置或力产生扭矩。 当极点处于未对齐位置时,相电感非常低。

    Excitation of switched reluctance motors
    3.
    发明授权
    Excitation of switched reluctance motors 有权
    开关磁阻电机的励磁

    公开(公告)号:US07208906B2

    公开(公告)日:2007-04-24

    申请号:US10837140

    申请日:2004-04-30

    IPC分类号: H02P1/46

    CPC分类号: H02P6/22 H02P25/098

    摘要: A switched reluctance drive is supplied from a power source. The phases of the machine are controlled by a current controller which uses an excitation strategy to minimize the supply current drawn for a particular output. The strategy alternates the excitation between two phases for a given time until the rotor moves to a desired position. A method of starting a switched reluctance motor having a stator with at least two phases, a moveable part, and a position transducer includes determining from transducer output a plurality of phases that are available to produce force in a desired direction, energizing a first phase of the available phases for a predetermined time period that is independent of the transducer output, and energizing a second phase of the available phases after energization of the first phase is initiated.

    摘要翻译: 开关磁阻驱动器由电源供电。 机器的相位由电流控制器控制,电流控制器使用激励策略来最小化为特定输出提供的电源电流。 该策略交替给定时间的两相之间的激励,直到转子移动到期望的位置。 一种启动具有至少两相的定子的开关磁阻电动机的方法,可移动部件和位置传感器包括从换能器输出确定可在期望方向上产生力的多个相,激励第一阶段 启动独立于换能器输出的预定时间段的可用相位,以及在第一阶段通电之后激励可用相的第二阶段。