Reducing Switching Losses in Indirect Matrix Converter Drives: Discontinuous PWM Method

Yeongsu Bak; Kyo-Beum Lee

Reducing Switching Losses in Indirect Matrix Converter Drives: Discontinuous PWM Method

Yeongsu Bak

Kyo-Beum Lee

Vol. 18, No. 5, pp. 1325-1335, Sep. 2018

10.6113/JPE.2018.18.5.1325

Current source rectifier

Discontinuous pulse width modulation

Indirect matrix converter

Switching loss

Voltage source inverter

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Abstract

This paper presents a discontinuous pulse width modulation (DPWM) method to reduce switching losses in an indirect matrix converter (IMC) drive. The IMC has a number of power semiconductor switches. In other words, it consists of a rectifier stage and an inverter stage for AC/AC power conversion, which are composed of 12 and 6 switching devices, respectively. Therefore, the switching devices of the IMC suffer from high switching losses in the IMC drives. Various topologies to reduce switching losses have been studied by eliminating a number of switches from the rectifier stage. In this study, in contrast to prior research, a DPWM method is presented to reduce the switching losses of the inverter stage. The effectiveness of the proposed method to reduce switching losses in IMC drives is verified by simulations and experimental results.

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Cite this article

[IEEE Style]

Y. Bak and K. Lee, "Reducing Switching Losses in Indirect Matrix Converter Drives: Discontinuous PWM Method," Journal of Power Electronics, vol. 18, no. 5, pp. 1325-1335, 2018. DOI: 10.6113/JPE.2018.18.5.1325.

[ACM Style]

Yeongsu Bak and Kyo-Beum Lee. 2018. Reducing Switching Losses in Indirect Matrix Converter Drives: Discontinuous PWM Method. Journal of Power Electronics, 18, 5, (2018), 1325-1335. DOI: 10.6113/JPE.2018.18.5.1325.