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    • 10. 发明申请
    • ARRANGEMENT AND METHOD FOR FORCE COMPENSATION IN ELECTRICAL MACHINES
    • 电机中的力补偿装置和方法
    • WO2016080889A1
    • 2016-05-26
    • PCT/SE2015/051212
    • 2015-11-13
    • MAGSTRÖM AB
    • LUNDIN, UrbanPEREZ-LOYA, J JoseABRAHAMSSON, Johan
    • H02K7/04H02P21/06H02P23/10
    • H02P21/06H02K3/28H02K7/09H02P23/04H02P23/10
    • An electrical machine (1) comprises a rotor (20), a stator (10), a rotor power supply (50), at least one sensor (70) and a rotor magnetization control arrangement (60). The rotor has rotor windings (22) for controlling magnetization of rotor magnetic poles (24). The sensor is arranged to measure a parameter associated with a relative force between the stator and the rotor. The rotor magnetization control arrangement is communicationally connected to the sensor for receiving a signal representing the measured parameter. The rotor magnetic poles are divided into at least two groups (23). The rotor magnetization control arrangement is arranged for controlling the magnetization of the groups individually by providing a respective individually controllable rotor current. The rotor magnetization control arrangement is arranged to individually control the rotor currents in dependence of the signal representing the measured parameter. A method for controlling such an electrical machine is also disclosed.
    • 电机(1)包括转子(20),定子(10),转子电源(50),至少一个传感器(70)和转子磁化控制装置(60)。 转子具有用于控制转子磁极(24)的磁化的转子绕组(22)。 传感器布置成测量与定子和转子之间的相对力相关联的参数。 转子磁化控制装置通信地连接到传感器,用于接收表示测量参数的信号。 转子磁极分成至少两组(23)。 转子磁化控制装置被布置成通过提供相应的单独可控的转子电流来分别控制组的磁化。 转子磁化控制装置被布置成根据表示测量参数的信号独立地控制转子电流。 还公开了一种用于控制这种电机的方法。