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    • 1. 发明授权
    • Converter lifetime improvement method for doubly fed induction generator
    • 双馈感应发电机转换器寿命改善方法
    • US08736091B2
    • 2014-05-27
    • US12818895
    • 2010-06-18
    • Lixiang WeiRussel J. KerkmanRichard A. LukaszewskiHaihui LuZhenhuan Yuan
    • Lixiang WeiRussel J. KerkmanRichard A. LukaszewskiHaihui LuZhenhuan Yuan
    • H02P9/04G01B3/52
    • H02M7/537G01B3/52G05F1/67H02M1/32H02P9/007
    • The present techniques include methods and systems for operating converter to maintain a lifespan of the converter. In some embodiments, the operating frequency of the converter may be increased such that stress may be reduced on the bond wires of the converter. More specifically, embodiments involve calculating the aging parameters for certain operating conditions of the converter operating in a maximum power point tracking (MPPT) mode and determining whether the MPPT operation results in aging the converter to a point which reduces the converter lifespan below a desired lifespan. If the MPPT operation reduces the converter lifespan below the desired lifespan, the frequency of the converter may be increased such that the converter may be controlled to operate at a percentage of MPPT. Thus, in some embodiments, power output may be optimized with respect to maintaining a desired lifespan of the converter.
    • 本技术包括用于操作转换器以保持转换器寿命的方法和系统。 在一些实施例中,可以增加转换器的工作频率,使得可以在转换器的接合线上减小应力。 更具体地,实施例涉及为以最大功率点跟踪(MPPT)模式操作的转换器的某些操作条件计算老化参数,并且确定MPPT操作是否导致转换器老化到将转换器寿命降低到期望寿命以下的点 。 如果MPPT操作将转换器寿命降低到期望的寿命以下,则可以增加转换器的频率,使得可以将转换器控制为以MPPT的百分比进行操作。 因此,在一些实施例中,可以相对于维持转换器的期望寿命来优化功率输出。
    • 3. 发明申请
    • CONVERTER LIFETIME IMPROVEMENT METHOD FOR DOUBLY FED INDUCTION GENERATOR
    • 双极电感诱导发生器的转换器寿命改进方法
    • US20110309875A1
    • 2011-12-22
    • US12818895
    • 2010-06-18
    • Lixiang WeiRussel J. KerkmanRichard A. LukaszewskiHaihui LuZhenhuan Yuan
    • Lixiang WeiRussel J. KerkmanRichard A. LukaszewskiHaihui LuZhenhuan Yuan
    • H03K17/60
    • H02M7/537G01B3/52G05F1/67H02M1/32H02P9/007
    • The present techniques include methods and systems for operating converter to maintain a lifespan of the converter. In some embodiments, the operating frequency of the converter may be increased such that stress may be reduced on the bond wires of the converter. More specifically, embodiments involve calculating the aging parameters for certain operating conditions of the converter operating in a maximum power point tracking (MPPT) mode and determining whether the MPPT operation results in aging the converter to a point which reduces the converter lifespan below a desired lifespan. If the MPPT operation reduces the converter lifespan below the desired lifespan, the frequency of the converter may be increased such that the converter may be controlled to operate at a percentage of MPPT. Thus, in some embodiments, power output may be optimized with respect to maintaining a desired lifespan of the converter.
    • 本技术包括用于操作转换器以保持转换器寿命的方法和系统。 在一些实施例中,可以增加转换器的工作频率,使得可以在转换器的接合线上减小应力。 更具体地,实施例涉及为以最大功率点跟踪(MPPT)模式操作的转换器的某些操作条件计算老化参数,并且确定MPPT操作是否导致转换器老化到将转换器寿命降低到期望寿命以下的点 。 如果MPPT操作将转换器寿命降低到期望的寿命以下,则可以增加转换器的频率,使得可以将转换器控制为以MPPT的百分比进行操作。 因此,在一些实施例中,可以相对于维持转换器的期望寿命来优化功率输出。
    • 7. 发明授权
    • Adjustable speed drive lifetime improvement method
    • 可调速驱动寿命改善方法
    • US08471516B2
    • 2013-06-25
    • US12786229
    • 2010-05-24
    • Lixiang WeiRichard A. LukaszewskiRussel J. Kerkman
    • Lixiang WeiRichard A. LukaszewskiRussel J. Kerkman
    • G05B11/28
    • H02M7/537H02M7/53875H02P9/007H02P27/08H02P29/68
    • The present techniques include methods and systems for operating an inverter to maintain a lifespan of the inverter. In some embodiments, the switching frequency and/or the output current of the inverter may be changed such that stress may be reduced on the inverter bond wires of the inverter. More specifically, embodiments involve calculating the aging parameters for certain operating conditions of the inverter and determining whether the operating conditions result in aging the inverter to a point which reduces the inverter lifespan below a desired lifespan. If the operating conditions reduce the inverter lifespan below the desired lifespan, the switching frequency may be reduced to a lower or minimum switching frequency of the inverter and/or the output current of the inverter may be reduced to a maximum output current at the minimum switching frequency.
    • 本技术包括用于操作逆变器以维持逆变器寿命的方法和系统。 在一些实施例中,可以改变逆变器的开关频率和/或输出电流,使得逆变器的反相器接合线上的应力可能减小。 更具体地,实施例涉及计算逆变器的某些工作条件的老化参数,并且确定操作条件是否导致变频器老化到将变频器寿命降低到期望寿命以下的时间点。 如果工作条件将变频器寿命降低到期望的寿命以下,开关频率可以降低到变频器的较低或最小开关频率,和/或可以将逆变器的输出电流降至最小输出电流 频率。
    • 8. 发明申请
    • ADJUSTABLE SPEED DRIVE LIFETIME IMPROVEMENT METHOD
    • 可调节速度驱动器生命周期改进方法
    • US20110286244A1
    • 2011-11-24
    • US12786229
    • 2010-05-24
    • Lixiang WeiRichard A. LukaszewskiRussel J. Kerkman
    • Lixiang WeiRichard A. LukaszewskiRussel J. Kerkman
    • H02M3/335
    • H02M7/537H02M7/53875H02P9/007H02P27/08H02P29/68
    • The present techniques include methods and systems for operating an inverter to maintain a lifespan of the inverter. In some embodiments, the switching frequency and/or the output current of the inverter may be changed such that stress may be reduced on the inverter bond wires of the inverter. More specifically, embodiments involve calculating the aging parameters for certain operating conditions of the inverter and determining whether the operating conditions result in aging the inverter to a point which reduces the inverter lifespan below a desired lifespan. If the operating conditions reduce the inverter lifespan below the desired lifespan, the switching frequency may be reduced to a lower or minimum switching frequency of the inverter and/or the output current of the inverter may be reduced to a maximum output current at the minimum switching frequency.
    • 本技术包括用于操作逆变器以维持逆变器寿命的方法和系统。 在一些实施例中,可以改变逆变器的开关频率和/或输出电流,使得逆变器的反相器接合线上的应力可能减小。 更具体地,实施例涉及计算逆变器的某些工作条件的老化参数,并且确定操作条件是否导致变频器老化到将变频器寿命降低到期望寿命以下的时间点。 如果工作条件将变频器寿命降低到期望的寿命以下,开关频率可以降低到变频器的较低或最小开关频率,和/或可以将逆变器的输出电流降至最小输出电流 频率。