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    • 2. 发明授权
    • Systems and methods for performing islanding operations
    • 用于执行孤岛作战的系统和方法
    • US08818565B2
    • 2014-08-26
    • US13222227
    • 2011-08-31
    • Erhan KaracaGerardo VarillasJoel HoltDavid Fischer
    • Erhan KaracaGerardo VarillasJoel HoltDavid Fischer
    • G05D11/00G01R21/00
    • H02J13/0017H02J3/38H02J2003/388Y02B90/2607Y02E40/72Y04S10/12Y04S40/12
    • Systems and methods for performing islanding operations are usable to monitor and collect plant loads and turbine loads of a power plant. Such monitoring and collecting can be used to preemptively determine islanding configurations. According to one embodiment of the invention, a system can be provided. The system can be operable to receive power generation unit information, receive power plant information of the power plant, determine an islanding configuration for the power plant, transmit the islanding configuration to the at least one power generation unit of the power plant, receive breaker status information of at least one breaker coupled to the at least one power generation unit of the power plant and for all breakers connecting power plant to an external grid, and control at least one power generation unit of the power plant.
    • 用于执行孤岛作战的系统和方法可用于监测和收集发电厂的工厂负荷和涡轮机负荷。 这种监视和收集可用于抢先确定孤岛配置。 根据本发明的一个实施例,可以提供一种系统。 该系统可以用于接收发电单元信息,接收发电厂的发电厂信息,确定发电厂的孤岛配置,将孤岛配置发送到发电厂的至少一个发电单元,接收断路器状态 耦合到发电厂的至少一个发电单元的至少一个断路器的信息以及将发电厂连接到外部电网的所有断路器的信息,以及控制发电厂的至少一个发电单元。
    • 7. 发明授权
    • Device for clamping workpiece to a surface
    • 用于将工件夹紧到表面的装置
    • US06308943B1
    • 2001-10-30
    • US09556348
    • 2000-04-24
    • David FischerRudolf Kohlert
    • David FischerRudolf Kohlert
    • D23Q308
    • B25B5/061B25B5/087
    • A clamping tool holds a workpiece in place on a surface, for example in a machine tool, by a clamping bolt (2) which is moved into a workpiece contacting position by a locking piston (6). The bolt (2) and the piston (6) are slidable in respective bores (3, 4) in a housing (1) in which the clamping bolt (2) is locked in a workpiece supporting position by the locking piston (5, 6). For this purpose the locking piston (6) has a piston rod (5) with a wedging incline (8) cooperating with a respective wedging incline (2′) at an inner end of the clamping bolt (2). A tongue and groove combination is provided between the piston rod (5) and the inner end of the clamping bolt to facilitate the cooperation and force transmission between the piston rod (5) and the clamping bolt (2). A self-locking effect holds the locking piston in a working position until the self-locking effect is released.
    • 夹紧工具通过夹紧螺栓(2)将工件保持在表面上,例如在机床中的适当位置,夹紧螺栓(2)通过锁定活塞(6)移动到工件接触位置。 螺栓(2)和活塞(6)可在壳体(1)中的相应孔(3,4)中滑动,其中夹紧螺栓(2)被锁定活塞(5,6)锁定在工件支撑位置 )。 为此,锁定活塞(6)具有活塞杆(5),楔形倾斜(8)在夹紧螺栓(2)的内端与相应的楔形斜面(2')配合。 在活塞杆(5)和夹紧螺栓的内端之间提供舌槽组合,以便于活塞杆(5)和夹紧螺栓(2)之间的配合和力传递。 自锁效果将锁定活塞保持在工作位置,直到释放自锁效果。