公开(公告)号：US20150333515A1

公开(公告)日：2015-11-19

申请号：US14711250

申请日：2015-05-13

Applicant: DELTA ELECTRONICS, INC.

Inventor： Wei-Shuo TSENG ,  Chao-Chin CHUANG ,  Chih-Hsiang KUO ,  Yi-Kuan HSU

IPC: H02J3/00 ,  F04D27/00 ,  F04D25/06 ,  H02M7/04 ,  H02P27/06

CPC classification number: H02J3/005 ,  F04D25/06 ,  F04D25/0613 ,  F04D27/00 ,  F04D27/008 ,  H02J3/01 ,  H02J4/00 ,  H02J2001/002 ,  H02M1/10 ,  H02M1/4225 ,  H02M7/04 ,  H02P27/06 ,  Y02B70/126 ,  Y02E40/40 ,  Y10T307/391

Abstract: A voltage stabilizing module for multi power source input is compatible with multiple input power sources including DC power source and/or AC power source and comprises a plurality of receiving ends, a power source selection unit and a voltage conversion unit. The receiving ends receive the input power sources. The power source selection unit is coupled with the receiving ends to receive the input power sources and sets at least one of the input power sources as a working power source. The voltage conversion unit receives the working power source and keeps the working power source at a working voltage level to act as a voltage signal outputted to a loading.

Abstract translation: 用于多电源输入的稳压模块与包括直流电源和/或AC电源的多个输入电源兼容，并且包括多个接收端，电源选择单元和电压转换单元。 接收端接收输入电源。 电源选择单元与接收端耦合以接收输入电源并且将至少一个输入电源设置为工作电源。 电压转换单元接收工作电源并将工作电源保持在工作电压电平以作为输出到负载的电压信号。

公开(公告)号：US20180138853A1

公开(公告)日：2018-05-17

申请号：US15370345

申请日：2016-12-06

Applicant: DELTA ELECTRONICS, INC.

Inventor： Wei-Shuo TSENG ,  Chao-Chin CHUANG ,  Yao-Yang YU ,  Li-Wei HSIAO

IPC: H02P29/10 ,  H02P6/14 ,  H02P27/06

CPC classification number: H02P29/10 ,  H02M1/32 ,  H02M1/4225 ,  H02M2001/0022 ,  H02M2001/325 ,  H02M2001/4291 ,  H02P6/085 ,  H02P6/14 ,  H02P6/28 ,  H02P23/26 ,  H02P27/06 ,  H02P2201/07 ,  Y02B70/126 ,  Y02P80/112

Abstract: An electronically commutated fan system includes an alternating-current-to-direct-current conversion unit, an inverter unit and a control unit. The alternating-current-to-direct-current conversion unit converts an alternating-current input power source into a first direct-current power source. The inverter unit is electrically connected between the alternating-current-to-direct-current conversion unit and a fan. The inverter unit converts the first direct-current power source into an alternating-current output power source and provides the alternating-current output power source to the fan to rotate. The control unit is electrically connected to the alternating-current-to-direct-current conversion unit and the inverter unit. The control unit controls the alternating-current-to-direct-current conversion unit and the inverter unit to adjust a rotational speed of the fan. When the control unit detects a power variation of the alternating-current input power source, the control unit controls the rotational speed of the fan to be maintained within a first error range.