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    • 12. 发明申请
    • THREE-PHASE BUCK RECTIFIER FOR POWER SUPPLIES
    • 供电三相BUCK整流器
    • US20140268934A1
    • 2014-09-18
    • US14204403
    • 2014-03-11
    • Leon Monroe TolbertBen GuoFan XuFei WangBenjamin J. Blalock
    • Leon Monroe TolbertBen GuoFan XuFei WangBenjamin J. Blalock
    • H02M7/217
    • H02M7/219H02M1/4208H02M7/04H02M7/217H02M7/23H02M2007/2195Y02B70/1408
    • A three-phase alternating current (AC) to direct current (DC) converter may include a three-phase AC filter receiving a three-phase AC power supply, a plurality of three-phase current source rectifiers (CSR) connected in parallel with each other and connected to a three-phase AC filter, and an output filter connected to the CSR's to generate a DC output. Each of the CSRs may include six switches and a free-wheeling diode. Each of the three filtered AC inputs from the three-phase AC filter may be connected via a switch of the six switches to selectably send current into a positive line, and each of three filtered AC inputs from the three-phase AC filter may be connected via another switch of the six switches to selectably receive current from a negative line. The free-wheeling diode may have a cathode connected to the positive line and an anode connected to the negative line.
    • 直流(DC)转换器的三相交流电(AC)可以包括接收三相交流电源的三相交流滤波器,与每一相并联连接的多个三相电流源整流器(CSR) 连接到三相交流滤波器,连接到CSR的输出滤波器产生直流输出。 每个CSR可以包括六个开关和一个续流二极管。 来自三相AC滤波器的三个滤波的AC输入中的每一个可以经由六个开关的开关连接,以可选择地将电流发送到正线,并且来自三相AC滤波器的三个滤波的AC输入中的每一个可以被连接 通过六个开关的另一开关可选地从负线接收电流。 续流二极管可以具有连接到正极线的阴极和连接到负极线的阳极。
    • 13. 发明授权
    • Sample and hold circuit with toggle control and method thereof
    • 采样和保持电路与切换控制及其方法
    • US08803719B2
    • 2014-08-12
    • US13538940
    • 2012-06-29
    • Yike LiXiaoyu XiFei WangZhengxing Li
    • Yike LiXiaoyu XiFei WangZhengxing Li
    • H03M1/66
    • H03K5/1532
    • A sample and hold circuit and the method thereof are disclosed. The sample and hold circuit may be applied in voltage regulators or other circuits. The sample and hold circuit comprises: an input terminal configured to receive an input signal; an output terminal configured to provide an output signal; a control circuit configured to receive the input signal and the output signal, and wherein based on the input signal and the output signal, the control circuit generates a digital signal, and wherein the digital signal increases when the output signal is lower than the input signal, and maintains when the output signal is larger than or equal to the input signal; a digital-to-analog converter (DAC) configured to convert the digital signal to the output signal.
    • 公开了采样保持电路及其方法。 采样保持电路可以应用在电压调节器或其他电路中。 采样和保持电路包括:输入端,被配置为接收输入信号; 输出端子,被配置为提供输出信号; 控制电路,被配置为接收所述输入信号和所述输出信号,并且其中基于所述输入信号和所述输出信号,所述控制电路产生数字信号,并且其中当所述输出信号低于所述输入信号时,所述数字信号增加 并且当输出信号大于或等于输入信号时保持; 配置为将数字信号转换为输出信号的数模转换器(DAC)。