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    • 2. 发明申请
    • AN AC TEMPORARY LOAD DEVICE AND DISTRIBUTION SYSTEM FOR OPERATING AN ELECTRIC MACHINE OR ELECTRICAL LOAD POWERED BY A LONG CABLE
    • 用于操作电动机或由长电缆供电的电力负载的交流临时装载和分配系统
    • WO2014079508A1
    • 2014-05-30
    • PCT/EP2012/073449
    • 2012-11-23
    • ABB TECHNOLOGY LTD
    • WIIK, JanPIASECKI, WojciechRONGVE, Knut
    • H02H9/04H02J3/14
    • H02J3/14H02H9/041Y02B70/3225Y04S20/222
    • The invention discloses temporary load device (2) comprised in a subsea distribution bus (14) connecting a power load system (3) to electrical power supplied by an AC power supply (1) by means of at least one long cable (7). The subsea distribution bus (14) comprises a local control unit (4), and a temporary load device (2), which is arranged, upon receipt of a first signal from the local control unit, to close and reduce the voltage to the power load (3), and, on receipt of a second signal is arranged to open and disconnect said temporary load device (2) from the subsea distribution bus (14) having avoided or reduced an overvoltage, or a load drop, at the power load system (3). The temporary load device (2) may be used to mitigate a measured or estimated over-voltage or other voltage fault condition such as voltage oscillation caused by connecting a subsea load to the power supply. In other aspects of the invention are disclosed: a subsea distribution bus including the temporary load device; a method; and a computer program for carrying out the method.
    • 本发明公开了一种包括在海底分配总线(14)中的临时负载装置(2),其通过至少一根长电缆(7)将电力负载系统(3)连接到由AC电源(1)提供的电力。 海底分配总线(14)包括本地控制单元(4)和临时负载设备(2),该临时负载设备(2)在接收到来自本地控制单元的第一信号时,被设置为关闭并降低对电力的电压 负载(3),并且在接收到第二信号时,布置成在电力负载下避免或减少过电压或负载下降的所述临时负载装置(2)从海底分配总线(14)断开和断开 系统(3)。 临时负载装置(2)可以用于减轻测量或估计的过电压或其他电压故障状况,例如通过将海底负载连接到电源而引起的电压振荡。 在本发明的其它方面,公开了一种包括临时装载装置的海底分配总线; 一个方法; 以及用于执行该方法的计算机程序。