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    POWER FREQUENCY CURRENT CONVERTER AND METHOD FOR CONTROLLING THE SAME
    1.
    发明公开
    POWER FREQUENCY CURRENT CONVERTER AND METHOD FOR CONTROLLING THE SAME 审中-公开
    功率频率电流转换器及其控制方法

    公开(公告)号：EP3070831A2

    公开(公告)日：2016-09-21

    申请号：EP16155340.9

    申请日：2016-02-11

    申请人： Delta Electronics, Inc.

    发明人： WU, Hongyang ,  ZHANG, Weiqiang ,  XU, Lizhi ,  GUAN, Wei

    IPC分类号： H02M7/48

    CPC分类号： H02M5/22 ,  H02M7/48 ,  H02M7/527 ,  H02M2001/0009 ,  H02M2001/0048 ,  Y02B70/1491

    摘要： The present disclosure provides a power frequency current converter, including: an input side (11) and an output side (12), wherein a current of the input side (11) or the output side (12) is a power frequency current; a switching device (13); and a controller (14), configured to control the switching device (13) to be turned on and turned off at an operating frequency, wherein within a half of a power frequency cycle, the controller (14) generates at least two fixed-frequency control signals and the operating frequency of the switching device (13) alters at least twice according to the at least two fixed-frequency control signals, so as to reduce junction temperature of the switching device (13).

    摘要翻译： 本发明提供了一种工频电流转换器，包括：输入侧（11）和输出侧（12），其中输入侧（11）或输出侧（12）的电流为工频电流; 开关装置（13）; 和控制器（14），所述控制器（14）被配置为控制所述开关装置（13）以工作频率开启和关闭，其中在工作频率周期的一半内，所述控制器（14）产生至少两个固定频率 控制信号和开关器件13的工作频率根据至少两个固定频率控制信号至少改变两次，以降低开关器件13的结温。