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    • 24. 发明授权
    • Power control method and device
    • 功率控制方法及装置
    • US09002529B2
    • 2015-04-07
    • US13513326
    • 2010-12-02
    • Hee Sang KoJung Hoon KimWon Deok BaekTai Yeon Cho
    • Hee Sang KoJung Hoon KimWon Deok BaekTai Yeon Cho
    • G06F19/00H02J3/50H02J3/16
    • H02J3/50H02J3/16H02J3/386Y02E10/763Y02E40/34
    • The present invention discloses a method and an apparatus for power control. An apparatus for power control in accordance with an embodiment of the present invention can include: a voltage comparing part configured to compute an error voltage by using a measured voltage measured at the generator and a reference voltage that is designated; a control module configured to compute a first reactive power value for power control of the generator by being inputted with the error voltage; and a driving module configured to compute a reference reactive power value by using the first reactive power value and a second reactive power value computed using an active power value of the power converter and configured to control the power converter in correspondence with the computed reference reactive power value.
    • 本发明公开了一种用于功率控制的方法和装置。 根据本发明的实施例的用于功率控制的装置可以包括:电压比较部件,被配置为通过使用在发电机处测量的测量电压和指定的参考电压来计算误差电压; 控制模块,被配置为通过输入所述误差电压来计算所述发电机的功率控制的第一无功功率值; 以及驱动模块,被配置为通过使用所述第一无功功率值和使用所述功率转换器的有功功率值计算的第二无功功率值来计算参考无功功率值,并且被配置为根据所计算的参考无功功率来控制所述功率转换器 值。
    • 29. 发明授权
    • Air conditioning system using ground heat
    • 空调系统采用地热
    • US07992403B2
    • 2011-08-09
    • US11785901
    • 2007-04-20
    • In Kyu KimJung Hoon KimJae Yoon Koh
    • In Kyu KimJung Hoon KimJae Yoon Koh
    • F25D23/12
    • F24F5/0046F24F2005/0057F24T50/00F24T2010/56Y02B10/40
    • Provided is an air conditioning system using ground heat. The system includes one or more indoor units, at least one outdoor unit, a ground heat exchanger, and a plurality of auxiliary heat sources. The one or more indoor units condition indoor air. The at least one outdoor unit communicates with the indoor units via a plurality of pipes, and includes an outdoor heat exchanger where heat exchange occurs. The ground heat exchanger is connected with the outdoor heat exchanger of the outdoor unit, and laid under the ground to allow heat to be exchanged between ground heat and a circulating medium circulating through the ground heat exchanger. The plurality of auxiliary heat sources are installed on one side of the outdoor unit to assist heat exchange of the outdoor heat exchanger. Two or more auxiliary heat sources are simultaneously used, or one of them is selectively used.
    • 提供使用地热的空调系统。 该系统包括一个或多个室内单元,至少一个室外单元,地面热交换器和多个辅助热源。 一个或多个室内机对室内空气进行调节。 所述至少一个室外机通过多个管道与室内机连通,并且包括发生热交换的室外热交换器。 地面热交换器与室外机的室外热交换器连接,放置在地下,使得地热与通过地面热交换器循环的循环介质之间进行热交换。 多个辅助热源安装在室外机的一侧,以辅助室外热交换器的热交换。 同时使用两个或更多个辅助热源,或者其中一个辅助热源被选择性地使用。