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    • 3. 发明授权
    • Gauge for forming die keeper pin assemblies
    • 用于成型模具销销组件的量规
    • US5457892A
    • 1995-10-17
    • US301760
    • 1994-09-07
    • Peter Birschl
    • Peter Birschl
    • B21D37/14B23Q17/22G01B3/52G01B3/22
    • B21D37/14B23Q17/22G01B3/52
    • A gauge for determining pertinent dimensions to which portions of die keeper pin assemblies are to be machined prior to insertion of the latter into a stamping die assembly. The gauge includes a body having a partial circular extension formed on one end thereof, a rod having one threaded end freely mounted through an axial passageway and threadedly connected to threads formed at the end thereof, a hole formed in the non-circular portion of the extension, a spring-loaded pin slip-fitted in the hole adapted to being secured in any axial position by threading the rod into engagement with the pin. The gauge is inserted through a passage formed through a wall of a stamping die body so as to position the pin in the path of a movable die pad, while the rod is out of contact with the pin. After the pad is caused to travel to its lowest position, urging the pin inwardly, the rod is threadedly extended into engagement with the pin to hold its depressed position. Thereafter, a keeper pin assembly is machined to conform to the height dimension established by the secured, gauge pin and inserted through the die passage to serve as a safety stop for the die pad.
    • 用于确定相应尺寸的量规,在将模具保持器销组件的部分插入冲压模具组件之前,将要对其进行加工。 该计量器包括在其一端形成有部分圆形延伸部的主体,具有一个螺纹端部的杆,该螺纹端部通过轴向通道自由地安装,并且螺纹连接到形成在其端部的螺纹,形成在该端部的非圆形部分中的孔 延伸部,弹簧加载销滑入所述孔中,适于通过将所述杆穿过所述销与所述销接合而固定在任何轴向位置。 仪表插入通过冲压模具主体的壁形成的通道,以便将销定位在活动模垫的路径中,而杆与销不接触。 在使垫移动到其最低位置之后,向内推动销,杆被螺纹地延伸成与销接合以保持其按压位置。 此后,保持销销组件被加工成符合由固定的量规销钉所建立的高度尺寸并插入通过模具通道以用作管芯焊盘的安全停止件。
    • 5. 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
    • US20140253055A1
    • 2014-09-11
    • US14285497
    • 2014-05-22
    • ROCKWELL AUTOMATION TECHNOLOGIES, INC.
    • Lixiang WeiRussel J. KerkmanRichard A. LukaszewskiHaihui LuZhenhuan Yuan
    • H02M7/537H02P9/00
    • 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
    • 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。