Design, analysis and experimental verification of a modularized output current ripple-free microgrid inverter

Ching Ming Lai; Yi Hung Liao

doi:10.1109/ISNE.2013.6512396

Design, analysis and experimental verification of a modularized output current ripple-free microgrid inverter

Ching Ming Lai, Yi Hung Liao

Department of Electrical Engineering

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Abstract

A simple modular passive ripple mirror circuit (PRMC) is proposed for eliminating the inherent high frequency current ripple of switching pulse-width modulation (PWM) inverters. The proposed passive circuit is robust in the sense of without containing neither any power semiconductor switch nor any extra control. Only the reflected high frequency ripples are automatically induced and processed for proper cancellation with the original ripples. It turns out that not only the output power quality can be enhanced but also the inductance of the main power circuit can be reduced greatly. As an example, a single-phase PWM inverter is chosen for illustrating the effectiveness of the proposed PRMC. Experimental results show that the proposed PRMC can indeed achieve the desired performance.

Original language	English
Pages	455-458
Number of pages	4
DOIs	https://doi.org/10.1109/ISNE.2013.6512396
State	Published - 2013
Event	2013 IEEE International Symposium on Next-Generation Electronics, ISNE 2013 - Kaohsiung, Taiwan Duration: 25 Feb 2013 → 26 Feb 2013

Conference

Conference	2013 IEEE International Symposium on Next-Generation Electronics, ISNE 2013
Country/Territory	Taiwan
City	Kaohsiung
Period	25/02/13 → 26/02/13

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10.1109/ISNE.2013.6512396

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abstract = "A simple modular passive ripple mirror circuit (PRMC) is proposed for eliminating the inherent high frequency current ripple of switching pulse-width modulation (PWM) inverters. The proposed passive circuit is robust in the sense of without containing neither any power semiconductor switch nor any extra control. Only the reflected high frequency ripples are automatically induced and processed for proper cancellation with the original ripples. It turns out that not only the output power quality can be enhanced but also the inductance of the main power circuit can be reduced greatly. As an example, a single-phase PWM inverter is chosen for illustrating the effectiveness of the proposed PRMC. Experimental results show that the proposed PRMC can indeed achieve the desired performance.",

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AB - A simple modular passive ripple mirror circuit (PRMC) is proposed for eliminating the inherent high frequency current ripple of switching pulse-width modulation (PWM) inverters. The proposed passive circuit is robust in the sense of without containing neither any power semiconductor switch nor any extra control. Only the reflected high frequency ripples are automatically induced and processed for proper cancellation with the original ripples. It turns out that not only the output power quality can be enhanced but also the inductance of the main power circuit can be reduced greatly. As an example, a single-phase PWM inverter is chosen for illustrating the effectiveness of the proposed PRMC. Experimental results show that the proposed PRMC can indeed achieve the desired performance.

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Design, analysis and experimental verification of a modularized output current ripple-free microgrid inverter

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