ABSTRACT

This paper presents a space vector modulated single-phase to three-phase (1 × 3) Indirect Matrix Converter (IMC). The IMC is comprised of a front-end side rectifier followed by a voltage source inverter (VSI). DC voltage appears at the intermediate of the rectifier and VSI, this virtual DC-link does not have any energy storage element (battery or capacitor), which reduces total power to weight ratio of the IMC converter, as compared to conventional AC–DC-AC converters. LC-filter is connected at the source side to reduce the harmonics present in the supply side. But the source side LC-filter disturbs the unity power factor (UPF) operation of matrix converter. In this paper, a control technique is proposed to transform single-phase quantities into stationary reference frame in order to maintain UPF at the input stage of IMC. The feasibility of control strategy for the IMC is analyzed in MATLAB/Simulink environment and a laboratory prototype is also developed supplying power to a three-phase induction motor.

摘要

本文介绍了一种空间矢量调制单相到三相 (1 × 3) 间接矩阵转换器 (IMC)。IMC 由前端侧整流器和电压源逆变器 (VSI) 组成。直流电压出现在整流器和 VSI 的中间，这个虚拟直流链路没有任何储能元件（电池或电容器），与传统的 AC-DC- 相比，降低了 IMC 转换器的总功率重量比交流转换器。LC 滤波器连接在电源侧，以减少电源侧的谐波。但是源侧 LC 滤波器会干扰矩阵转换器的单位功率因数 (UPF) 操作。在本文中，提出了一种将单相量转换为静止参考系的控制技术，以在 IMC 的输入级保持 UPF。