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    • 2. 发明申请
    • POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF
    • 电力转换装置及其控制方法
    • US20160190908A1
    • 2016-06-30
    • US14966130
    • 2015-12-11
    • Kabushiki Kaisha Toshiba
    • Ryuta HASEGAWAShinya KONOTakashi FUJITATeruyuki ISHIZUKI
    • H02M1/12
    • H02M1/12H02M7/487
    • According to one embodiment, there is provided a power conversion device, including a control unit configured to control ON/OFF of a switching element of a neutral-point-clamped power conversion device unit, wherein the control unit drives the power conversion device unit by a one-pulse control, controls a phase difference of an output voltage of the power conversion device unit with respect to a reference phase of to control an active current component of an output current of the power conversion device unit, and controls ON/OFF based on: (a) a phase angle for eliminating a predetermined odd-order harmonic component of the output voltage; and (b) a sum of the reference phase and the phase difference.
    • 根据一个实施例,提供了一种电力转换装置,其包括控制单元,该控制单元被配置为控制中性点钳位功率转换装置单元的开关元件的接通/断开,其中控制单元通过以下方式驱动电力转换装置单元: 单脉冲控制,控制功率转换装置单元的输出电压相对于基准相位的相位差,以控制电力转换装置单元的输出电流的有功电流分量,并且基于ON / OFF on:(a)用于消除输出电压的预定奇数次谐波分量的相位角; 和(b)参考相位和相位差之和。
    • 4. 发明申请
    • POWER CONVERTER
    • 电源转换器
    • US20170005590A1
    • 2017-01-05
    • US15114106
    • 2015-01-29
    • KABUSHIKI KAISHA TOSHIBA
    • Ryuta HASEGAWAYosuke NAKAZAWADaichi SUZUKI
    • H02M7/487
    • H02M7/487H02M2001/0003H02M2001/0064H02M2007/4835
    • In a power converter a DC positive terminal of a DC power supply is connected to a switching element, the DC negative terminal of the DC power supply is connected to a switching element. A capacitor and a capacitor connected in series are connected in parallel with the DC power supply, and a DC neutral point divided by the capacitor and the capacitor is connected to a switching element and a switching element. The switching element is connected to the positive terminal of a chopper cell group circuit, and the switching element is connected to the negative terminal of a chopper cell group circuit. The negative terminal of the chopper cell group circuit is connected to the positive terminal of the chopper cell group circuit, and the connection node therebetween serves as an output AC terminal.
    • 在功率转换器中,直流电源的直流正极与开关元件连接,直流电源的直流负极与开关元件连接。 串联连接的电容器和电容器与直流电源并联连接,并且由电容器和电容器分开的直流中性点被连接到开关元件和开关元件。 开关元件连接到斩波单元组电路的正极,并且开关元件连接到斩波单元组电路的负极。 斩波单元组电路的负端子连接到斩波单元组电路的正端子,并且它们之间的连接节点用作输出AC端子。
    • 9. 发明申请
    • ELECTRIC POWER CONVERTING DEVICE AND ELECTRIC POWER CONVERTING METHOD
    • 电力转换装置和电力转换方法
    • US20140119068A1
    • 2014-05-01
    • US14057367
    • 2013-10-18
    • KABUSHIKI KAISHA TOSHIBA
    • Ryuta HASEGAWAYosuke NakazawaKentaro SuzukiKatsuhisa InagakiTeruyuki Ishizuki
    • H02M5/458
    • H02M5/4585
    • In one embodiment, an electric power converting device includes a converter which converts a three-phase AC voltage output from a three-phase AC power source, into a DC voltage of each phase of a three-phase AC load, and an inverter which converts the DC voltage converted by the converter, into a single-phase AC voltage of each phase of the three-phase AC load. The converter includes for each phase of an electric power system a circuit which consists of a plurality of switching elements connected in series. The electric power converting device controls on/off of a switching element corresponding to one of phases of the electric power system in the converter such that a voltage which reduces fluctuation of a DC voltage applied between the converter and the inverter and corresponding to each phase of the three-phase AC load is output from the converter for each phase of the electric power system.
    • 在一个实施例中,电力转换装置包括将从三相交流电源输出的三相交流电压转换为三相交流负载各相的直流电压的转换器,以及转换器 由转换器转换的直流电压变为三相交流负载各相的单相交流电压。 该转换器包括用于电力系统的每个相的电路,该电路由串联连接的多个开关元件组成。 电力转换装置控制与转换器中的电力系统的相的一个相对应的开关元件的开/关,使得减小在转换器和逆变器之间施加的直流电压的波动的电压, 从电力系统的每个相的转换器输出三相交流负载。