REFRIGERANT COMPRESSOR ARRANGEMENTS
    1.
    发明申请
    REFRIGERANT COMPRESSOR ARRANGEMENTS 审中-公开
    制冷剂压缩机安排

    公开(公告)号:WO2018031071A1

    公开(公告)日:2018-02-15

    申请号:PCT/US2017/020953

    申请日:2017-03-06

    Applicant: DANFOSS A/S

    Abstract: Compressors in a refrigerant loop are driven by variable frequency drives. The variable frequency drives are configured to demand current from an alternating current power source at different phases relative to one another such that at least one current harmonic frequency at the alternating current power source is cancelled.

    Abstract translation:

    制冷剂回路中的压缩机由变频驱动器驱动。 变频驱动器被配置为从交流电源以相互不同的相位请求电流,使得交流电源处的至少一个电流谐波频率被抵消。

    CONTROL SYSTEM AND METHOD FOR CENTRIFUGAL COMPRESSOR
    3.
    发明申请
    CONTROL SYSTEM AND METHOD FOR CENTRIFUGAL COMPRESSOR 审中-公开
    离心压缩机的控制系统和方法

    公开(公告)号:WO2015126393A1

    公开(公告)日:2015-08-27

    申请号:PCT/US2014/017295

    申请日:2014-02-20

    Applicant: DANFOSS A/S

    Abstract: This disclosure relates to a control system and method for the centrifugal compressor. The system, for example, includes a controller configured command an adjustment of at least one of (1) a flow regulator and (2) a speed of a shaft in order to provide safe, efficient compressor operation. Centrifugal compressors are used to circulate refrigerant in a chiller via a refrigerant loop. Centrifugal compressors operate efficiently before reaching a condition known as surge.

    Abstract translation: 本公开涉及一种用于离心式压缩机的控制系统和方法。 该系统例如包括控制器,其配置为对(1)流量调节器和(2)轴的速度中的至少一个进行调节,以便提供安全,有效的压缩机操作。 离心式压缩机用于通过制冷剂回路在制冷机中循环制冷剂。 离心式压缩机在达到称为浪涌的状态之前有效运行。

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