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    • 1. 发明申请
    • METHODS AND SYSTEMS FOR ELECTRICAL DC GENERATION
    • 电气直流发电的方法和系统
    • WO2015030922A1
    • 2015-03-05
    • PCT/US2014/044399
    • 2014-06-26
    • ABB TECHNOLOGY AGPAN, ZhiguoTREMELLING, Darren, Dale
    • PAN, ZhiguoTREMELLING, Darren, Dale
    • H02M7/10H02M7/19H02P9/48H02M1/00
    • H02P9/008H02M7/10H02M7/19H02M2001/0077H02M2001/0093H02P9/48
    • An electrical DC generation system is disclosed. According to one aspect, a system for electrical DC generation system includes an electrical machine, having a positive output terminal and a negative output terminal, a plurality of stator windings, a plurality of passive rectifiers connected to the plurality of stator windings, the plurality of passive rectifiers being connected in series to form an intermediate bus having a positive terminal and a negative terminal. The system also includes a DC-DC converter circuit having input terminals connected to the positive and negative terminals of the intermediate bus and having output terminals electrically isolated from the input terminals and connected in series with the intermediate bus. The DC-DC converter output voltage is adjusted to regulate torque of the electrical machine by adjusting stator current of the electrical machine.
    • 公开了一种电气直流发电系统。 根据一个方面,一种用于电气直流发电系统的系统包括具有正输出端子和负输出端子的电机,多个定子绕组,连接到多个定子绕组的多个无源整流器,多个 无源整流器串联连接以形成具有正极端子和负极端子的中间总线。 该系统还包括具有连接到中间总线的正极和负极端子的输入端子并且具有与输入端子电隔离并且与中间总线串联连接的输出端子的DC-DC转换器电路。 调整DC-DC转换器输出电压,通过调整电机的定子电流来调节电机的转矩。
    • 6. 发明申请
    • PERMANENT MAGNET MACHINE WITH HYBRID CAGE AND METHODS FOR OPERATING SAME
    • 具有混合笼的永久磁铁机及其操作方法
    • WO2014092957A2
    • 2014-06-19
    • PCT/US2013071109
    • 2013-11-20
    • ABB RESEARCH LTDTREMELLING DARREN DALEOUYANG WEN
    • TREMELLING DARREN DALEOUYANG WEN
    • H02K21/46
    • H02K21/042H02K11/042H02K21/46H02K2213/06
    • A permanent magnet machine with a hybrid cage and methods for operating same are disclosed. According to one aspect, the subject matter described herein includes a rotor and hybrid cage for an electrical machine, the rotor comprising a rotor body having a central axis and including a plurality of permanent magnets positioned to create a plurality of rotor magnetic poles distributed around a peripheral surface of the rotor. The rotor also includes a hybrid cage that includes conductive loops around each of the rotor magnetic poles, where the conductive loops are controllable to form a closed circuit or an open circuit around each of the rotor magnetic poles. A closed circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is present, such as during a fault condition, and an open circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is not present, such as during normal operation.
    • 公开了一种具有混合笼的永久磁铁机及其操作方法。 根据一个方面,本文所述的主题包括用于电机的转子和混合笼,所述转子包括具有中心轴线的转子体,并且包括多个永磁体,所述多个永磁体被定位成产生分布在其周围的多个转子磁极 转子周边表面。 转子还包括一个混合笼,其包括围绕每个转子磁极的导电环,其中导电环可控制以形成围绕每个转子磁极的闭合回路或开路。 当存在具有超过阈值幅度的场强或场强的变化的磁场时,例如在故障状态期间,可产生闭合电路,并且当具有场强或 例如在正常操作期间,不存在超过阈值幅度的场强的变化。
    • 7. 发明申请
    • LAYERED PERMANENT MAGNET WITH CONDUCTIVE CAGE ROTOR CONSTRUCTION
    • 具有导电笼式转子结构的层状永磁体
    • WO2015183379A1
    • 2015-12-03
    • PCT/US2015/020820
    • 2015-03-16
    • ABB TECHNOLOGY AGTREMELLING, Darren, Dale
    • TREMELLING, Darren, Dale
    • H02K1/02H02K1/22H02K21/46
    • H02K1/223H02K1/02H02K21/46H02K2213/06H02K2213/09
    • Layered permanent magnet with conductive cage rotor construction is disclosed. According to one aspect, the subject matter described herein includes a rotor for an electrical machine. The rotor includes a rotor body having a central axis and including multiple permanent magnets positioned to create a plurality of rotor magnetic poles distributed around a peripheral surface of the rotor, and a cage that provides conductive loops around each of the rotor magnetic poles. Each permanent magnet has a magnet body having a center portion and a peripheral portion, the center portion comprising a material having higher remanence than the material comprising the peripheral portion and the peripheral portion comprising a material having a higher coercivity than the material comprising the center portion.
    • 公开了具有导电笼式转子结构的分层永磁体。 根据一个方面,本文所述的主题包括用于电机的转子。 转子包括具有中心轴线的转子体,并且包括多个永久磁铁,其定位成产生分布在转子周边周围的多个转子磁极,以及围绕每个转子磁极提供导电回路的保持架。 每个永磁体具有一个具有中心部分和一个周边部分的磁体,该中心部分包​​括比包含周边部分和周边部分的材料更高的剩磁材料,该材料包括一种具有比包括该中心部分的材料更高的矫顽力的材料 。