公开(公告)号：US20100246225A1

公开(公告)日：2010-09-30

申请号：US12648702

申请日：2009-12-29

申请人： Gun Woo MOON ,  Don Sik KIM ,  Kyu Min CHO ,  Young Do KIM ,  Dae Min JANG ,  Chong Eun KIM ,  Jong Pil KIM ,  Dong Joong KIM ,  Tae Won HEO ,  Sang Cheol BONG

发明人： Gun Woo MOON ,  Don Sik KIM ,  Kyu Min CHO ,  Young Do KIM ,  Dae Min JANG ,  Chong Eun KIM ,  Jong Pil KIM ,  Dong Joong KIM ,  Tae Won HEO ,  Sang Cheol BONG

IPC分类号： H02M7/219

CPC分类号： H02M3/156 ,  H02M1/4225 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16

摘要： The present invention provides a power supply for a server including: a PFC (Power Factor Correction) unit for meeting harmonic regulation by being connected to an input power source; a DC/DC unit including a switching stage provided with at least one switching device to switch a voltage of a link capacitor as an output voltage of the PFC unit to a predetermined operation frequency and a DC/DC stage driven by the switching stage; a DC/DC control unit for controlling the DC/DC unit by being connected to the switching device; and a frequency varying circuit unit for supplying the DC/DC control unit with a frequency control signal to adjust the operation frequency of the switching device according to load after detecting an output current of the link capacitor and acquiring load information.

摘要翻译： 本发明提供了一种用于服务器的电源，包括：PFC（功率因数校正）单元，用于通过连接到输入电源来满足谐波调节; DC / DC单元，其包括具有至少一个开关装置的开关级，用于将作为PFC单元的输出电压的链路电容器的电压切换到预定工作频率，以及由开关级驱动的DC / DC级; DC / DC控制单元，用于通过连接到开关装置来控制DC / DC单元; 以及变频电路单元，用于在检测到所述链路电容器的输出电流并获取负载信息之后，向所述DC / DC控制单元提供频率控制信号，以根据负载调整所述开关装置的工作频率。