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    • 6. 发明授权
    • Integrated inverter for driving multiple electric machines
    • 集成变频器,用于驱动多台电机
    • US07023171B2
    • 2006-04-04
    • US10706256
    • 2003-11-12
    • Gui-Jia SuJohn S. Hsu
    • Gui-Jia SuJohn S. Hsu
    • H02P5/34
    • H02P5/74H02M2001/123
    • An electric machine drive (50) has a plurality of inverters (50a, 50b) for controlling respective electric machines (57, 62), which may include a three-phase main traction machine (57) and two-phase accessory machines (62) in a hybrid or electric vehicle. The drive (50) has a common control section (53, 54) for controlling the plurality of inverters (50a, 50b) with only one microelectronic processor (54) for controlling the plurality of inverters (50a, 50b), only one gate driver circuit (53) for controlling conduction of semiconductor switches (S1–S10) in the plurality of inverters (50a, 50b), and also includes a common dc bus (70), a common dc bus filtering capacitor (C1) and a common dc bus voltage sensor (67). The electric machines (57, 62) may be synchronous machines, induction machines, or PM machines and may be operated in a motoring mode or a generating mode.
    • 电机驱动器(50)具有用于控制各个电机(57,62)的多个逆变器(50a,50b),其可以包括三相主牵引机(57)和两相辅助机器 62)在混合动力或电动车辆中。 驱动器(50)具有用于仅用一个微电子处理器(54)控制多个逆变器(50a,50b)的公共控制部分(53,54),用于控制多个逆变器(50a,50b), 只有一个栅极驱动电路(53)用于控制多个逆变器(50a,50b)中的半导体开关的导通(S 1〜N 2),并且还 包括公共直流母线(70),公共直流母线滤波电容器(C SUB)和公共直流母线电压传感器(67)。 电机(57,62)可以是同步电机,感应电机或PM机,并且可以以电动模式或发电模式运行。
    • 8. 发明授权
    • Method and apparatus for assembling permanent magnet rotors
    • 用于组装永磁转子的方法和装置
    • US5914552A
    • 1999-06-22
    • US929540
    • 1997-09-15
    • John S. HsuDonald J. Adams
    • John S. HsuDonald J. Adams
    • H02K1/27H02K1/28
    • H02K1/278H02K1/28H02K15/0006H02K15/03H02K2213/12
    • A permanent magnet assembly (22) for assembly in large permanent magnet (PM) motors and generators includes a two-piece carrier (23, 24) that can be slid into a slot (13) in the rotor (10) and then secured in place using a set screw (37). The invention also provides an auxiliary carrier device (50) with guide rails (51) that line up with the teeth (12) of the rotor, so that a permanent magnet assembly (22) can be pushed first into a slot (13), and then down the slot (13) to its proper location. An auxiliary tool (50) is provided to move the permanent magnet assembly (22) into position in the slot (13) before it is secured in place. Methods of assembling and disassembling the magnet assemblies (22) in the rotor (10) are also disclosed.
    • 用于组装在大型永磁体(PM)电动机和发电机中的永磁体组件(22)包括可以滑入转子(10)中的槽(13)中的二件式载体(23,24),然后固定在 使用固定螺丝(37)。 本发明还提供一种辅助载体装置(50),其具有与转子的齿(12)对齐的导轨(51),使得永久磁铁组件(22)可以首先推入槽(13)中, 然后将槽(13)向下放到适当位置。 辅助工具(50)被设置成在永久磁铁组件(22)被固定就位之前将其移动到槽(13)中的适当位置。 还公开了在转子(10)中组装和拆卸磁体组件(22)的方法。
    • 9. 发明授权
    • Permanent-magnet-less machine having an enclosed air gap
    • 无磁永磁机具有封闭气隙
    • US08110961B2
    • 2012-02-07
    • US12466212
    • 2009-05-14
    • John S. Hsu
    • John S. Hsu
    • H02K19/26H02K16/04
    • H02K16/04H02K1/20H02K1/246H02K19/24
    • A permanent magnet-less, brushless synchronous system includes a stator that generates a magnetic rotating field when sourced by an alternating current. An uncluttered rotor disposed within the magnetic rotating field is spaced apart from the stator to form an air gap relative to an axis of rotation. A stationary excitation core spaced apart from the uncluttered rotor by an axial air gap and a radial air gap substantially encloses the stationary excitation core. Some permanent magnet-less, brushless synchronous systems include stator core gaps to reduce axial flux flow. Some permanent magnet-less, brushless synchronous systems include an uncluttered rotor coupled to outer laminations. The quadrature-axis inductance may be increased in some synchronous systems. Some synchronous systems convert energy such as mechanical energy into electrical energy (e.g., a generator); other synchronous systems may convert any form of energy into mechanical energy (e.g., a motor).
    • 无永久永磁无刷同步系统包括定子,当由交流电源产生时,该定子产生磁旋转场。 设置在磁旋转场内的整体转子与定子间隔开以形成相对于旋转轴线的气隙。 通过轴向气隙和径向空气间隙与整流转子间隔开的固定激励芯基本上包围固定激励芯。 一些永磁无刷,无刷同步系统包括定子芯间隙,以减少轴流通量。 一些永磁无刷,无刷同步系统包括与外部叠片耦合的整流转子。 在某些同步系统中,正交轴电感可能会增加。 一些同步系统将诸如机械能的能量转换为电能(例如发电机); 其他同步系统可以将任何形式的能量转换成机械能(例如,电动机)。