<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper presents a modular and scalable power electronics concept for motor control with continuous output voltage. In contrast to multilevel concepts, modules with continuous output voltage are connected in series. The continuous output voltage of each module is obtained by using gallium nitride (GaN) high electron motility transistor (HEMT)s as switches inside the modules with a switching frequency in the range between 500 kHz and 1 MHz. Due to this high switching frequency a LC filter is integrated into the module resulting in a continuous output voltage. A main topic of the paper is the active damping of this LC output filter for each module and the analysis of the series connection of the damping behaviour. The results are illustrated with simulations and measurements.</p>
</abstract>

This paper presents a modular and scalable power electronics concept for motor control with continuous output voltage. In contrast to multilevel concepts, modules with continuous output voltage are connected in series. The continuous output voltage of each module is obtained by using gallium nitride (GaN) high electron motility transistor (HEMT)s as switches inside the modules with a switching frequency in the range between 500 kHz and 1 MHz. Due to this high switching frequency a LC filter is integrated into the module resulting in a continuous output voltage. A main topic of the paper is the active damping of this LC output filter for each module and the analysis of the series connection of the damping behaviour. The results are illustrated with simulations and measurements.

Active Damping in Series Connected Power Modules with Continuous Output Voltage

Power Electronics and Drives

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Active Damping in Series Connected Power Modules with Continuous Output Voltage"}

This paper presents a modular and scalable power electronics concept for motor control with continuous output voltage. In contrast to multilevel concepts,...

Active Damping in Series Connected Power Modules with Continuous Output Voltage

Published Online: Dec 30, 2021

Page range: 314 - 335

Received: Oct 23, 2021

Accepted: Nov 29, 2021

DOI: https://doi.org/10.2478/pead-2021-0021

Keywords
power electronics, modularity, scalability, GaN, active filter damping

© 2021 Sabrina Ulmer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Active Damping in Series Connected Power Modules with Continuous Output Voltage

Published Online: Dec 30, 2021

Page range: 314 - 335

Received: Oct 23, 2021

Accepted: Nov 29, 2021

DOI: https://doi.org/10.2478/pead-2021-0021

Keywordspower electronics, modularity, scalability, GaN, active filter damping

© 2021 Sabrina Ulmer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
power electronics, modularity, scalability, GaN, active filter damping