Methods and systems for wind turbine generators
    1.
    发明授权
    Methods and systems for wind turbine generators 有权
    风力发电机的方法和系统

    公开(公告)号:US07884492B2

    公开(公告)日:2011-02-08

    申请号:US11939055

    申请日:2007-11-13

    IPC分类号: F03D9/00 H02P9/00

    摘要: Methods and systems for reducing heat loss in a generator system are provided. The generator system includes an electrical generator and a power converter. The method includes generating electricity in the generator at a first power factor and converting electricity in the converter at a second power factor in a first mode of operation and generating electricity in the generator at a third power factor wherein the third power factor is greater than the first power factor and converting electricity in the converter at a fourth power factor wherein the fourth power factor is less than the second power factor in a second mode of operation such that the power output of the generator system in the second mode of operation is substantially equal to the power output of the generator system in the first mode of operation and the generator currents are facilitated being reduced.

    摘要翻译: 提供了用于减少发电机系统中的热损失的方法和系统。 发电机系统包括发电机和电力转换器。 该方法包括在第一功率因数下在发电机中发电,并在第一工作模式下以第二功率因数转换转换器中的电,并以第三功率因数发电,其中第三功率因数大于 第一功率因数并且以第四功率因数转换转换器中的电力,其中在第二操作模式中第四功率因数小于第二功率因数,使得在第二操作模式中的发电机系统的功率输出基本相等 在第一操作模式下发电机系统的功率输出,并且减少发电机电流。

    METHODS AND SYSTEMS FOR WIND TURBINE GENERATORS
    2.
    发明申请
    METHODS AND SYSTEMS FOR WIND TURBINE GENERATORS 有权
    风力发电机的方法和系统

    公开(公告)号:US20090121483A1

    公开(公告)日:2009-05-14

    申请号:US11939055

    申请日:2007-11-13

    IPC分类号: H02P9/00

    摘要: Methods and systems for reducing heat loss in a generator system are provided. The generator system includes an electrical generator and a power converter. The method includes generating electricity in the generator at a first power factor and converting electricity in the converter at a second power factor in a first mode of operation and generating electricity in the generator at a third power factor wherein the third power factor is greater than the first power factor and converting electricity in the converter at a fourth power factor wherein the fourth power factor is less than the second power factor in a second mode of operation such that the power output of the generator system in the second mode of operation is substantially equal to the power output of the generator system in the first mode of operation and the generator currents are facilitated being reduced.

    摘要翻译: 提供了用于减少发电机系统中的热损失的方法和系统。 发电机系统包括发电机和电力转换器。 该方法包括在第一功率因数下在发电机中发电,并在第一工作模式下以第二功率因数转换转换器中的电,并以第三功率因数发电,其中第三功率因数大于 第一功率因数并且以第四功率因数转换转换器中的电力,其中在第二操作模式中第四功率因数小于第二功率因数,使得在第二操作模式中的发电机系统的功率输出基本相等 在第一操作模式下发电机系统的功率输出,并且减少发电机电流。

    System for detecting generator winding faults
    3.
    发明授权
    System for detecting generator winding faults 有权
    发电机绕组故障检测系统

    公开(公告)号:US07888915B2

    公开(公告)日:2011-02-15

    申请号:US12558425

    申请日:2009-09-11

    IPC分类号: H02P9/04 H02P9/48

    摘要: A system includes an induction generator controller configured to operate an induction generator via a converter. The induction generator controller includes a diagnostic mode configured to instruct the converter to send an input signal to a rotor of the induction generator, receive an output signal from the rotor and a stator of the induction generator, and identify winding faults within the rotor and/or the stator based on the output signals.

    摘要翻译: 一种系统包括感应发电机控制器,其被配置为经由转换器操作感应发电机。 感应发电机控制器包括诊断模式,其被配置为指示转换器将输入信号发送到感应发电机的转子,从转子和感应发电机的定子接收输出信号,并识别转子内的绕组故障和/ 或基于输出信号的定子。

    SYSTEM FOR DETECTING GENERATOR WINDING FAULTS
    4.
    发明申请
    SYSTEM FOR DETECTING GENERATOR WINDING FAULTS 有权
    用于检测发电机绕组故障的系统

    公开(公告)号:US20100277137A1

    公开(公告)日:2010-11-04

    申请号:US12558425

    申请日:2009-09-11

    IPC分类号: H02P9/00

    摘要: A system includes an induction generator controller configured to operate an induction generator via a converter. The induction generator controller includes a diagnostic mode configured to instruct the converter to send an input signal to a rotor of the induction generator, receive an output signal from the rotor and a stator of the induction generator, and identify winding faults within the rotor and/or the stator based on the output signals.

    摘要翻译: 一种系统包括感应发电机控制器,其被配置为经由转换器操作感应发电机。 感应发电机控制器包括诊断模式,其被配置为指示转换器将输入信号发送到感应发电机的转子,从转子和感应发电机的定子接收输出信号,并识别转子内的绕组故障和/ 或基于输出信号的定子。