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    • 21. 发明授权
    • Electric machine with power taps
    • 电动水龙头电机
    • US08471426B2
    • 2013-06-25
    • US13099800
    • 2011-05-03
    • Nicholas G. LangWilliam R. Finley
    • Nicholas G. LangWilliam R. Finley
    • H02K1/00
    • H02K11/0094H02K3/28Y02E20/14
    • Machines and motors with multiple three-phase AC power connections. A motor includes first, second, and third windings arranged to drive a rotator shaft. A first end of each winding is connected to a respective power input of a three-phase alternating current (AC) power source and a second end of each winding is connected to a neutral. The motor includes at least one intermediate tap connected to each of the first, second, and third windings at substantially equal respective distances between the neutral and the respective power inputs. The intermediate taps together provide a three-phase AC power output at a voltage that is less than the voltage of the three-phase AC power source.
    • 具有多个三相交流电源连接的机器和电机。 电动机包括布置成驱动转子轴的第一,第二和第三绕组。 每个绕组的第一端连接到三相交流(AC)电源的相应电源输入端,并且每个绕组的第二端连接到空档。 马达包括至少一个连接到第一,第二和第三绕组中的每一个的中间抽头,在中性点和相应的功率输入之间基本相等的相应距离。 中间抽头一起提供的电压小于三相交流电源电压的三相交流电源输出。
    • 24. 发明申请
    • INDUCTION MACHINE POWER CONNECTION BOX INCLUDING POWER SUPPLY FOR AUXILIARY DEVICES INCLUDING AUXILIARY COOLING FANS
    • 电动机连接盒包括用于辅助装置的电源,包括辅助冷却风扇
    • US20120286600A1
    • 2012-11-15
    • US13105064
    • 2011-05-11
    • Nicholas G. Lang
    • Nicholas G. Lang
    • H02K9/04H02K11/00
    • H02K5/22H02K5/225H02K9/04H02K11/0094H02K11/33
    • An alternating current (AC) induction machine, such as a medium voltage induction motor, includes an auxiliary electrical connection box that is incorporated in the terminal box or within separate auxiliary electrical connection boxes that, are coupled to the machine's incoming power source. The box includes power conversion transformers or bridges that respectively convert the incoming AC power to other AC voltages or direct current (DC) useful for operating auxiliary devices proximal the machine. The connection box avoids the need to run separate power lines to induction machines necessary for operating auxiliary devices. Exemplary auxiliary devices include external auxiliary AC powered cooling fans for medium voltage AC motors. The auxiliary connection box may reconfigurable in the field and/or be pre-configured to provide one or more common auxiliary device output power sources.
    • 交流(AC)感应电动机,例如中压感应电动机,包括一个辅助电气接线盒,该辅助电气接线盒被结合在接线盒中或者在分离的辅助电气接线盒中,该辅助电气接线盒与机器的输入电源相连。 该箱包括电力转换变压器或桥接器,其分别将输入的AC电力转换为用于在机器附近操作辅助装置的其它AC电压或直流电(DC)。 接线盒避免了为操作辅助设备所需的感应电机运行独立的电源线。 示例性辅助设备包括用于中压AC电动机的外部辅助AC供电冷却风扇。 辅助接线盒可以在现场进行重新配置和/或预先配置成提供一个或多个公共辅助设备输出电源。