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    • 2. 发明申请
    • Rotating Electrical Machine Abnormal State Detection Method and Apparatus and Wind Driven Generating System Using the Same
    • 旋转电机异常状态检测方法及装置及其驱动发电系统
    • US20120262131A1
    • 2012-10-18
    • US13301284
    • 2011-11-21
    • Chun-Yao Lee
    • Chun-Yao Lee
    • H02P9/02G06F19/00
    • H02P9/02H02P29/0241
    • A rotating electrical machine abnormal state detection apparatus is provided. The apparatus includes: a current signal acquisition unit, coupled to a rotating electrical machine, for acquiring a set of real-time current waveforms from the rotating electrical machine; a state characteristic database, pre-storing a plurality of abnormal state characteristics which respectively correspond to a plurality of abnormal states; and an abnormal state detection unit, coupled to the current signal acquisition unit and the state characteristic database, for performing signal analysis on the set of real-time current waveforms to produce a current state characteristic, and comparing the current state characteristic with the abnormal state characteristics pre-stored in the state characteristic database to determine the abnormal state of the rotating electrical machine.
    • 提供了一种旋转电机异常状态检测装置。 该装置包括:电流信号获取单元,耦合到旋转电机,用于从旋转电机获取一组实时电流波形; 状态特征数据库,预先存储分别对应于多个异常状态的多个异常状态特性; 以及耦合到当前信号获取单元和状态特征数据库的异常状态检测单元,用于对该组实时电流波形执行信号分析以产生电流状态特性,并将当前状态特性与异常状态进行比较 特征预存在状态特征数据库中,以确定旋转电机的异常状态。
    • 7. 发明授权
    • Rotating electrical machine abnormal state detection method and apparatus and wind driven generating system using the same
    • 旋转电机异常状态检测方法及装置及风力发电系统采用相同方式
    • US08692400B2
    • 2014-04-08
    • US13301284
    • 2011-11-21
    • Chun-Yao Lee
    • Chun-Yao Lee
    • H02P9/04
    • H02P9/02H02P29/0241
    • A rotating electrical machine abnormal state detection apparatus is provided. The apparatus includes: a current signal acquisition unit, coupled to a rotating electrical machine, for acquiring a set of real-time current waveforms from the rotating electrical machine; a state characteristic database, pre-storing a plurality of abnormal state characteristics which respectively correspond to a plurality of abnormal states; and an abnormal state detection unit, coupled to the current signal acquisition unit and the state characteristic database, for performing signal analysis on the set of real-time current waveforms to produce a current state characteristic, and comparing the current state characteristic with the abnormal state characteristics pre-stored in the state characteristic database to determine the abnormal state of the rotating electrical machine.
    • 提供了一种旋转电机异常状态检测装置。 该装置包括:电流信号获取单元,耦合到旋转电机,用于从旋转电机获取一组实时电流波形; 状态特征数据库,预先存储分别对应于多个异常状态的多个异常状态特性; 以及耦合到当前信号获取单元和状态特征数据库的异常状态检测单元,用于对该组实时电流波形执行信号分析以产生电流状态特性,并将当前状态特性与异常状态进行比较 特征预存在状态特征数据库中,以确定旋转电机的异常状态。