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18 条记录 (耗时 0.009 秒)

    Synchronous generator and synchronous generator system
    1.
    发明公开
    Synchronous generator and synchronous generator system 有权
    同步发电机和同步发电机系统

    公开(公告)号：EP2149964A2

    公开(公告)日：2010-02-03

    申请号：EP09166222.1

    申请日：2009-07-23

    申请人： Hitachi, Ltd.

    发明人： Sawahata, Masanori ,  Nishihama, Kazuo ,  Mikami, Hiroyuki ,  Fujigaki, Tetsuo ,  Iizuka, Motonobu ,  Mizutani, Shuji

    IPC分类号： H02K1/26 ,  H02K1/16

    CPC分类号： H02K1/165 ,  H02K1/265 ,  H02K17/42

    摘要： A synchronous generator 1 including a rotor (20) having a field winding (23) placed in the slots (22) thereof and a stator (10) having an armature winding (13) placed in the slots (12) thereof, wherein the value of the number of slots (12) per two poles in stator (10) minus the number of slots (22) per two poles in rotor (20) is equal to or greater than +9, or equal to or smaller than -9.

    摘要翻译： 一种同步发电机1，包括：转子（20），其具有放置在其槽（22）中的励磁绕组（23）;以及定子（10），其具有放置在其槽（12）中的电枢绕组（13） 定子（10）中每两极的槽数（12）减去转子（20）中每两极的槽数（22）等于或大于+9或等于或小于-9。

    Energy saving service offering method and apparatus therefor
    2.
    发明公开
    Energy saving service offering method and apparatus therefor 审中-公开
    节能服务提供方法及装置

    公开(公告)号：EP1085636A3

    公开(公告)日：2002-12-18

    申请号：EP00118905.9

    申请日：2000-08-31

    申请人： Hitachi, Ltd.

    发明人： Yabutani, Takashi ,  Miyabe, Takaaki ,  Abe, Atsushi ,  Yamamoto, Yuji ,  Fujigaki, Tetsuo ,  Yabuno, Taichirou ,  Sato, Kazuo

    IPC分类号： H02J3/00

    CPC分类号： H02J3/008 ,  G06Q30/0241 ,  G06Q50/06 ,  Y02P80/11 ,  Y04S50/00 ,  Y04S50/10 ,  Y04S50/14

    摘要： An energy saving service offering method and apparatus are disclosed. In which a present electric power consumption of a supervised load facility of a user (contractor A) who owns (contractor B) the supervised load facility including a motor and attempts to save energy, and an inverter control operation data when installing an inverter in the supervised load facility and performing the revolution control operation are provided. Further, a merit refund corresponding to a saved electric power consumption by referring to a difference between said present electric power consumption data and the inverter control operation data is provided. Finally, a charge and billing operation by respecting the merit refund to a contract conditions established between a energy saving service provider and its contractor is performed.

    摘要翻译： 公开了一种节能服务提供方法和设备。 其中，（承包商B）拥有包括电动机和试图节能的受监督的负载设施的用户（承包商A）的受监督的负载设施的当前电力消耗，以及将逆变器安装在 提供受监督的负载设施并执行旋转控制操作。 此外，通过参考所述当前电力消耗数据与逆变器控制操作数据之间的差值，提供与节省的电力消耗相对应的价值退还。 最后，按照节能服务提供商与其承包商之间建立的合同条件，对优劣退款进行收费和结算。

    Electrical rotating machine
    4.
    发明公开
    Electrical rotating machine 审中-公开
    电动旋转机器

    公开(公告)号：EP2680402A2

    公开(公告)日：2014-01-01

    申请号：EP13170639.2

    申请日：2013-06-05

    申请人： Hitachi Ltd.

    发明人： Kimura, Mamoru ,  Komura, Akiyoshi ,  Kori, Daisuke ,  Fujigaki, Tetsuo ,  Iizuka, Motonobu

    IPC分类号： H02K1/27

    CPC分类号： H02K3/04 ,  H02K1/223 ,  H02K1/2766 ,  Y02E10/725

    摘要： An object of this invention is to provide an electrical rotating machine that minimizes a decrease in output while improving demagnetization resistance of permanent magnets.
    In order to attain the above object, an electrical rotating machine includes: a shaft 6, a rotor 2 formed to rotate with rotation of the shaft 6, the rotor 2 being equipped with permanent magnets 3; a stator 1 disposed in opposed form on an outside-diametral side of the rotor 2 via a clearance with respect to the rotor 2; and anti-demagnetization conductors 7 extending in the axial direction of the shaft 6, the conductors 7 each being disposed inside the rotor 2; wherein: the anti-demagnetization conductors 7 are provided in pairs of two for each of magnetic poles of the rotor 2; the two anti-demagnetization conductors 7 to form a pair are electrically interconnected; and, inside the rotor 2, the two paired anti-demagnetization conductors 7 are disposed at different-polarity sides of two corresponding permanent magnets 3 in a circumferential direction of the rotor 2, the different-polarity sides each being more adjacent to the circumferential direction of the rotor 2 than to an end portion of one of the two corresponding permanent magnets 3 existing close to each other in one magnetic pole.

    摘要翻译： 本发明的目的是提供一种旋转电机，其能够在提高永磁体的抗消磁性的同时使输出的降低最小化。 为了实现上述目的，旋转电机包括：轴6，转子2，其随着轴6的旋转而旋转，转子2配备有永磁体3; 在转子2的外径侧以相对于转子2的间隙相对配置的定子1， 以及沿轴6的轴向延伸的防退磁导体7，每个导体7都设置在转子2的内部; 其中：对于转子2的每个磁极成对设置两个去磁导体7; 形成一对的两个消磁导体7电互连; 并且在转子2的内部，两对减磁导体7在转子2的圆周方向上布置在两个对应的永磁体3的不同极性侧，不同极性侧各自更靠近圆周方向 相比于在一个磁极中彼此靠近的两个对应的永磁体3中的一个永磁体的端部。

    Electrical rotating machine
    5.
    发明公开
    Electrical rotating machine 审中-公开

    公开(公告)号：EP2680402A3

    公开(公告)日：2017-11-15

    申请号：EP13170639.2

    申请日：2013-06-05

    申请人： Hitachi, Ltd.

    发明人： Kimura, Mamoru ,  Komura, Akiyoshi ,  Kori, Daisuke ,  Fujigaki, Tetsuo ,  Iizuka, Motonobu

    IPC分类号： H02K1/27 ,  H02K1/22

    CPC分类号： H02K3/04 ,  H02K1/223 ,  H02K1/2766 ,  Y02E10/725

    摘要： An object of this invention is to provide an electrical rotating machine that minimizes a decrease in output while improving demagnetization resistance of permanent magnets.
    In order to attain the above object, an electrical rotating machine includes: a shaft 6, a rotor 2 formed to rotate with rotation of the shaft 6, the rotor 2 being equipped with permanent magnets 3; a stator 1 disposed in opposed form on an outside-diametral side of the rotor 2 via a clearance with respect to the rotor 2; and anti-demagnetization conductors 7 extending in the axial direction of the shaft 6, the conductors 7 each being disposed inside the rotor 2; wherein: the anti-demagnetization conductors 7 are provided in pairs of two for each of magnetic poles of the rotor 2; the two anti-demagnetization conductors 7 to form a pair are electrically interconnected; and, inside the rotor 2, the two paired anti-demagnetization conductors 7 are disposed at different-polarity sides of two corresponding permanent magnets 3 in a circumferential direction of the rotor 2, the different-polarity sides each being more adjacent to the circumferential direction of the rotor 2 than to an end portion of one of the two corresponding permanent magnets 3 existing close to each other in one magnetic pole.

    Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet
    8.
    发明公开
    Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet 审中-公开
    一种旋转电机，具有永磁体，风力发电系统和方法，用于永久磁铁的磁化

    公开(公告)号：EP1926196A2

    公开(公告)日：2008-05-28

    申请号：EP07022689.9

    申请日：2007-11-22

    申请人： Hitachi, Ltd.

    发明人： Kori, Daisuke ,  Fujigaki, Tetsuo ,  Aizawa, Shuji ,  Iizuka, Motonobu ,  Iwai, Yasushi ,  Mikami, Hiroyuki ,  Kimura, Mamoru

    IPC分类号： H02K1/32 ,  H02K1/27

    CPC分类号： H02K1/325 ,  H02K1/223 ,  H02K1/276 ,  H02K1/2766 ,  H02K7/1838 ,  H02K2213/03

    摘要： A permanent magnet electrical rotating machine (100) having a permanent magnet rotor (1, 20, 30) and a stator (17), wherein:
    a plurality of permanent magnets (3, 4) are disposed in a rotor iron core (2, 21, 22) of the permanent magnet rotor (1, 20, 30) along a periphery of the rotor iron core (2, 21, 22), polarities thereof being alternately changed;
    a cooling airflow channel (6) is formed between each pair of adjacent opposite poles on the rotor iron core (2, 21, 22); and the cooling airflow channel (6) has an approximately trapezoidal shape on an outer periphery side of the rotor iron core (2, 21, 22); and extends from an end on a central side in a radial direction of the approximately trapezoidal shape to a radial center.

    摘要翻译： 具有永久磁铁转子的永久磁铁式旋转电机（100）（1，20，30）和定子（17），worin：永久磁铁的多个（3，4）中的转子铁心（2布置， 21，22）的永磁转子（1，20，30）沿所述转子铁心（2，21，22）其是极性交替变化的周边; 冷却气流通道（6）的每对相邻的相反的磁极的转子铁心（2，21，22）之间形成 和冷却气流通道（6）具有上在转子铁芯（2，21，22）的外周侧在大致梯形; 并延伸从端部到在所述梯形的径向方向上的中央侧大约形状的径向中心。

    Permanent magnetic rotating electric machine and wind power generating system
    9.
    发明公开
    Permanent magnetic rotating electric machine and wind power generating system 审中-公开
    永恒电动机和风力发电机组系统（Drehende elektrische Maschine mit Permanentmagnet und Windenergieerzeugungssystem）

    公开(公告)号：EP2372881A3

    公开(公告)日：2017-04-12

    申请号：EP11000915.6

    申请日：2011-02-04

    申请人： Hitachi, Ltd.

    发明人： Kori, Daisuke ,  Serita, Shogo ,  Fujigaki, Tetsuo ,  Endo, Masaaki ,  Yasui, Yoshihiro ,  Nagano, Ai ,  Kimura, Mamoru ,  Iizuka, Motonobu ,  Komura, Akiyoshi

    IPC分类号： H02K9/06 ,  H02K9/08 ,  H02K1/20

    CPC分类号： H02K1/20 ,  H02K1/276 ,  H02K9/10

    摘要： A permanent magnet rotating electric machine which can be efficiently reduced a temperature rise in the rotating machine without enlarging a heat exchanger and water-cooling unit.
    The permanent magnet rotating electric machine comprising a stator with a stator coil wound on a stator iron core, a rotor with a plurality of permanent magnets disposed in the circumferential direction in a rotor iron core, which is disposed opposite to the stator iron core of the stator with a predetermined spacing therebetween and is fixed to a shaft, a water-cooling unit disposed around the outer circumference of the stator iron core, and a fan fixed to the shaft on the same side as at least one axial end of the rotor iron core to circulate cooling air in the permanent magnet rotating electric machine;
    further comprising ventilation paths, through which the cooling air flows, formed around the outer circumference of the water-cooling unit;
    wherein after the cooling air has been circulated by the fan in the machine for cooling, the cooling air is led to the ventilation paths to perform heat exchange between the cooling air flowing in the ventilation paths and the water-cooling unit, after which the cooling air is circulated again in the machine.

    摘要翻译： 一种永磁式旋转电机，其能够有效地降低旋转机械的温度上升，而不需要扩大热交换器和水冷却单元。 该永久磁铁旋转电机包括定子铁心绕定子铁心定子的定子，具有沿圆周方向设置的多个永久磁铁的转子，转子铁心与转子铁心的定子铁芯相对设置 定子，其间具有预定的间隔并固定到轴上，围绕定子铁心的外周设置的水冷单元，以及与转子铁的至少一个轴向端部相同侧固定到轴的风扇 在永磁旋转电机中循环冷却空气; 还包括围绕所述水冷单元的外周形成冷却空气流动的通风路径; 其中在冷却空气已经被冷却机器中的风扇循环之后，冷却空气被引导到通风路径，以在通风路径中流动的冷却空气与水冷单元之间进行热交换，之后冷却 空气在机器中再次循环。