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    • 6. 发明授权
    • Matrix converter apparatus
    • 矩阵转换器装置
    • US07782643B2
    • 2010-08-24
    • US11911545
    • 2006-04-07
    • Hidenori HaraEiji Yamamoto
    • Hidenori HaraEiji Yamamoto
    • H02M5/00H02H7/10
    • H02M5/293
    • There is provided a matrix converter apparatus including both functions of outputting a step up voltage and outputting a step down voltage. In a matrix converter apparatus for directly connecting respective phases of a three phase alternating current power source (1) and respective phases of an output side by a bidirectional switch constituted by IGBT transistors or the like connected reversely in parallel therewith, controlling to output an alternating current power source voltage by a PWM control based on an output voltage instruction, and outputting an arbitrary direct current or alternating current voltage, respective reactors (61), (62), (63) inserted to be connected between the respective phases of the polyphase alternating current power source 1 and the bidirectional switches are included, and by controlling to ON/OFF the bidirectional switches, terminals of two or more of the reactors on a side of the bidirectional switch are shortcircuited, and thereafter opened to thereby step up an output voltage of the matrix converter apparatus. Further, when the terminals are switched from being shortcircuited to being opened, conduction paths of currents flowing in the respective reactors which have been shortcircuited are ensured by controlling to ON/OFF the bidirectional switch group (5) and a capacitor group (7).
    • 提供了一种包括输出升压电压并输出降压电压的功能的矩阵转换器装置。 在通过由与之并联连接的IGBT晶体管等构成的双向开关直接连接三相交流电源(1)的各相和输出侧的各相的矩阵变换装置中,控制输出交替 通过基于输出电压指令的PWM控制输出当前电源电压,并输出任意的直流电流或交流电压,各个反应器(61),(62),(63)插入以连接在多相的各相之间 包括交流电源1和双向开关,并且通过控制双向开关的ON / OFF,双向开关一侧的两个或更多个电抗器的端子短路,然后打开,从而升高输出 矩阵转换器装置的电压。 此外,当端子从短路切换到断开时,通过控制双向开关组(5)和电容器组(7)的导通/断开来确保在各个电抗器中流经短路的电流的导通路径。
    • 7. 发明申请
    • MATRIX CONVERTER APPARATUS
    • 矩阵转换器装置
    • US20090059633A1
    • 2009-03-05
    • US11911545
    • 2006-04-07
    • Hidenori HaraEiji Yamamoto
    • Hidenori HaraEiji Yamamoto
    • H02M7/06
    • H02M5/293
    • There is provided a matrix converter apparatus including both functions of outputting a step up voltage and outputting a step down voltage. In a matrix converter apparatus for directly connecting respective phases of a three phase alternating current power source (1) and respective phases of an output side by a bidirectional switch constituted by IGBT transistors or the like connected reversely in parallel therewith, controlling to output an alternating current power source voltage by a PWM control based on an output voltage instruction, and outputting an arbitrary direct current or alternating current voltage, respective reactors (61), (62), (63) inserted to be connected between the respective phases of the polyphase alternating current power source 1 and the bidirectional switches are included, and by controlling to ON/OFF the bidirectional switches, terminals of two or more of the reactors on a side of the bidirectional switch are shortcircuited, and thereafter opened to thereby step up an output voltage of the matrix converter apparatus. Further, when the terminals are switched from being shortcircuited to being opened, conduction paths of currents flowing in the respective reactors which have been shortcircuited are ensured by controlling to ON/OFF the bidirectional switch group (5) and a capacitor group (7).
    • 提供了一种包括输出升压电压并输出降压电压的功能的矩阵转换器装置。 在通过由与之并联连接的IGBT晶体管等构成的双向开关直接连接三相交流电源(1)的各相和输出侧的各相的矩阵变换装置中,控制输出交替 通过基于输出电压指令的PWM控制输出当前电源电压,并输出任意的直流电流或交流电压,各个反应器(61),(62),(63)插入以连接在多相的各相之间 包括交流电源1和双向开关,并且通过控制双向开关的ON / OFF,双向开关一侧的两个或更多个电抗器的端子短路,然后打开,从而升高输出 矩阵转换器装置的电压。 此外,当端子从短路切换到断开时,通过控制双向开关组(5)和电容器组(7)的导通/断开来确保在各个电抗器中流经短路的电流的导通路径。
    • 9. 发明授权
    • Matrix converter
    • 矩阵转换器
    • US08159851B2
    • 2012-04-17
    • US12690088
    • 2010-01-19
    • Hidenori HaraEiji YamamotoTakahiro Uchino
    • Hidenori HaraEiji YamamotoTakahiro Uchino
    • H02M5/02
    • H02M5/297
    • A matrix converter includes a matrix converter main circuit, an input voltage detector group configured to detect an input voltage of an alternating current source, a gate driver configured to drive a bidirectional switch, and a controller having a pulse width modulation operation unit and a commutation operation unit. The pulse width modulation operation unit is configured to fix one output phase in a conduction state, configured to pulse-width-modulate one of remaining two output phases by using all three input phases, and configured to pulse-width-modulate the other output phase by using only two input phases of a reference input voltage and a middle input voltage.
    • 矩阵转换器包括矩阵转换器主电路,被配置为检测交流电源的输入电压的输入电压检测器组,被配置为驱动双向开关的栅极驱动器,以及具有脉宽调制操作单元和换向器的控制器 操作单元 脉冲宽度调制运算部被配置为将导通状态的一个输出相固定,通过使用全部三个输入相对脉冲宽度调制剩余两个输出相中的一个进行脉冲宽度调制,并配置为对另一输出相进行脉宽调制 通过仅使用参考输入电压和中间输入电压的两个输入相位。
    • 10. 发明授权
    • PWM cycloconverter and control method for PWM cycloconverter
    • PWM周波变换器及PWM周波变换器的控制方法
    • US07577009B2
    • 2009-08-18
    • US11628480
    • 2005-05-31
    • Eiji YamamotoHidenori HaraKouichi Eguchi
    • Eiji YamamotoHidenori HaraKouichi Eguchi
    • H02M5/297
    • H02M5/297H02M5/293
    • It is an object of the present invention to provide a PWM cycloconverter that can compensate an error between a voltage command and a real voltage generated by a commuting operation.The PWM cycloconverter for solving the above-described problem includes: an input voltage phase detector (6) for detecting the phase of the voltage of a three-phase ac power source (1); a current direction detector (7) for detecting the direction of a current supplied to a two-way semiconductor switch (3); and a commutation compensator (11) for receiving the outputs of the input voltage phase detector and the current detector as inputs to compensate for a voltage command.
    • 本发明的目的是提供一种可以补偿电压指令与通勤操作产生的实际电压之间的误差的PWM周波变换器。 用于解决上述问题的PWM周波变换器包括:用于检测三相交流电源(1)的电压的相位的输入电压相位检测器(6); 用于检测提供给双向半导体开关(3)的电流的方向的电流方向检测器(7); 以及用于接收输入电压相位检测器和电流检测器的输出作为输入以补偿电压指令的换向补偿器(11)。