公开(公告)号：WO2010022220A1

公开(公告)日：2010-02-25

申请号：PCT/US2009/054430

申请日：2009-08-20

Applicant: ABB INC. ,  TRUETTNER, Donald, J. ,  GOKHALE, Kalyan, P.

Inventor： TRUETTNER, Donald, J. ,  GOKHALE, Kalyan, P.

IPC: H02M3/335

CPC classification number: H02M3/33569

Abstract: A voltage converter includes a transformer with a pair of primary coils and a secondary coil. The converter has a DC input and a capacitor bank, having a pair of capacitors, is connected across the DC input. A switch is associated with each primary coil. A gate drive feedback module outputs a pulse width modulated signal to drive either the first or second primary coil. A gate drive switch has as an input the pulse width modulated signal and outputs to the first second switch. A pulse steering logic module determines which of the first or second capacitors has a higher voltage and controls the gate drive switch to direct the pulse width modulated signal in response thereto.

Abstract translation: 电压转换器包括具有一对初级线圈和次级线圈的变压器。 该转换器具有一个直流输入和一个电容器组，具有一对电容器，跨过直流输入端连接。 开关与每个初级线圈相关联。 栅极驱动反馈模块输出脉宽调制信号来驱动第一或第二初级线圈。 门驱动开关具有作为输入的脉宽调制信号并输出​​到第一第二开关。 脉冲转向逻辑模块确定第一或第二电容器中的哪一个具有较高的电压，并且控制栅极驱动开关以响应于此而引导脉宽调制信号。