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    • 7. 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。
    • 8. 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 。