**Appendix A**

Zoomed waveforms of the dc currents displayed in Figures 8a and 9a and their FFT analyses are shown in Figures A1 and A2, respectively, to further consolidate the previous claims.

**Figure A1.** Additional simulation waveforms. (**a**) Zoomed version of dc-link current displayed in Figure 8a, (**b**) FFT spectrum.

**Figure A2.** Additional simulation waveforms. (**a**) Zoomed version of dc-link current displayed in Figure 9a, (**b**) FFT spectrum.

#### **References**


© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
