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    • 2. 发明授权
    • Rotating electrical-machine control system and method of operating magnet temperature of rotating electrical-machine
    • 旋转电机控制系统及旋转电机磁铁温度操作方法
    • US08653779B2
    • 2014-02-18
    • US13514485
    • 2010-05-25
    • Takahisa YashiroHiroki KatoKentaro Haruno
    • Takahisa YashiroHiroki KatoKentaro Haruno
    • H02P3/00G05B19/10G05B11/28H02P27/04
    • H02P27/085H02P9/123H02P29/662
    • A rotating electrical-machine control system is provided with: a rotating electrical-machine comprising a rotor further comprising permanent magnets that are divided into a dividing-number of sections; an inverter circuit that drives the rotating electrical-machine by PWM control, using a carrier wave having a carrier frequency; a storage unit that has stored therein a relationship file that indicates the relationship between the dividing-number of the magnets, the magnet temperature, and the carrier frequency; and a control apparatus. The control apparatus comprises a condition acquisition processing unit for acquiring the target magnet temperature, a rotational-speed acquisition processing unit for acquiring the rotational speed of the rotating electrical-machine, and a carrier-frequency setup processing unit for providing the dividing-number of the magnets and the target magnet temperature to the storage unit and conducting a search therein, and giving the corresponding carrier frequency to an inverter control unit as an instruction.
    • 旋转电机控制系统具有:旋转电机,其包括转子,该转子还包括被分成多个部分的永磁体; 使用具有载波频率的载波通过PWM控制来驱动旋转电机的逆变器电路; 存储单元,其中存储有表示磁体的分割数,磁体温度和载波频率之间的关系的关系文件; 和控制装置。 控制装置包括用于获取目标磁体温度的条件获取处理单元,用于获取旋转电机的转速的转速获取处理单元,以及用于提供旋转电机的转速的分频数的载波频率设置处理单元 将磁体和目标磁体温度传送到存储单元并在其中进行搜索,并将相应的载波频率作为指令给出逆变器控制单元。