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A Single-Phase Buck-Boost Matrix Converter with Low Switching Stresses

机译：具有低开关应力的单相降压 - 升压矩阵转换器

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摘要

The suggested single-phase ac-to-ac matrix converter operated with inverting and noninverting characteristics may solve the grid voltage swell and sag problem in power distribution system, respectively. It is also employed as a direct frequency changer for domestic induction heating. The output voltage is regulated through duty cycle control of high frequency direct PWM (DPWM) and indirect PWM (IDPWM) switching devices. The DPWM control switches control the switching states of IDPWM switching devices. The inverting and noninverting characteristics are achieved with low voltage stresses and hence low dv/dt across the high and low frequency-controlled switches. This reduces their voltage rating and losses. The high voltage overshoot problem in frequency step-up operation is also analyzed. The sliding mode (SM) controller is employed to solve this problem. Pulse selective approach determines the power quality of load voltage. The validity of the mathematically computed values is carried out by modelling the proposed topology in MATLAB/Simulink environment and through hardware results.
机译：采用反相和非变相特性操作的建议的单相交流矩阵转换器可分别解决电流溶胀和配电系统中的栅极电压和下垂问题。它还用作国内感应加热的直接变频器。输出电压通过高频直接PWM（DPWM）和间接PWM（IDPWM）开关装置的占空比控制调节。 DPWM控制交换机控制IDPWM交换设备的交换状态。通过低压应力实现反相和非变相特性，因此在高频控制开关上的低压/ DT的低电平。这降低了它们的电压额定值和损耗。还分析了频率升压操作中的高压过冲问题。使用滑动模式（SM）控制器来解决这个问题。脉冲选择性方法确定负载电压的功率质量。通过在MATLAB / SIMULINK环境中的建议拓扑和硬件结果模拟所提出的拓扑来执行数学上计算值的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第4期|6893546.1-6893546.19|共19页
  • 作者

    Ashraf Naveed; Izhar Tahir; Abbas Ghulam;

  • 作者单位

    Univ Engn & Technol Dept Elect Engn Lahore 54890 Pakistan;

    Univ Engn & Technol Dept Elect Engn Lahore 54890 Pakistan;

    Univ Lahore Dept Elect Engn Lahore 54000 Pakistan;

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