公开(公告)号：EP3070831A3

公开(公告)日：2016-11-23

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 ,  H02M7/527 ,  H02M1/00

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).

公开(公告)号：EP3051697A1

公开(公告)日：2016-08-03

申请号：EP15194160.6

申请日：2015-11-11

申请人： Delta Electronics, Inc.

发明人： XU, Lizhi ,  FENG, Weiyi ,  ZHANG, Weiqiang ,  WU, Hongyang

IPC分类号： H03K17/16 ,  H02M1/08 ,  H02M7/487

CPC分类号： H03K17/56 ,  H02M1/08 ,  H02M7/487 ,  H03K17/166

摘要： The present application discloses a driving circuit for a semiconductor switch. The driving circuit includes a driving unit, a sampling unit (201) and a selection unit (202). A plurality of turn-off driving units with different turn-off parameters is provided in the driving unit, and a turn-off driving unit having a turn-off parameter adaptive to the working state of the semiconductor switch is selected according to the working state of the semiconductor switch so as to turn off the semiconductor switch.

摘要翻译： 本申请公开了一种用于半导体开关的驱动电路。 驱动电路包括驱动单元，采样单元（201）和选择单元（202）。 在驱动单元中设置有具有不同截止参数的多个关断驱动单元，并且根据工作状态选择具有适合于半导体开关的工作状态的关断参数的关断驱动单元 的半导体开关，以便关闭半导体开关。

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。