Abstract
When connecting a multilevel inverter to a load or the utility grid, two major factors must be considered: total harmonic distortion and electromagnetic disturbance due to the fast switching of the semiconductor devices. This paper focuses on these electromagnetic interference aspects of a multilevel inverter. The change in the inverter's control scheme and the change in the operating frequency on the conducted electromagnetic interference are investigated. This paper addresses carrier-based level-shifted pulse width modulation as a pulse width modulation control for the multilevel inverter. Three different level-shifted control schemes were compared at different switching frequencies to determine the effect of the control scheme and switching frequency on the electromagnetic interference. As an example of multilevel topology, a reduced-device single-phase multilevel inverter is presented in this paper.
| Original language | English |
|---|---|
| Title of host publication | 2022 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (EMCSI) |
| Publisher | IEEE |
| Pages | 279-284 |
| Number of pages | 6 |
| ISBN (Electronic) | 978-1-6654-0929-2, 978-1-6654-0928-5 |
| ISBN (Print) | 978-1-6654-0930-8 |
| DOIs | |
| Publication status | Published - 26 Sept 2022 |
| Event | IEEE International Symposium On Electromagnetic Compatibility, Signal & Power Integrity, EMC+SIPI 2022 - Spokane Convention Center, Spokane, United States Duration: 1 Aug 2022 → 5 Aug 2022 |
Conference
| Conference | IEEE International Symposium On Electromagnetic Compatibility, Signal & Power Integrity, EMC+SIPI 2022 |
|---|---|
| Abbreviated title | EMC+SIPI 2022 |
| Country/Territory | United States |
| City | Spokane |
| Period | 1/08/22 → 5/08/22 |
Keywords
- Carrier-based level-shifted PWM
- Common-mode
- Conducted EMI
- Differential Mode
- Modular Multilevel inverter
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