Abstract
This paper investigates the voltage-boost features of the emerging seven-switch current-source inverter (H7-CSI) to improve the efficiency of the CSI-based motor drive system. The switching transient and power loss model of the H7-CSI topology during voltage-boost operation are analyzed in detail. The effects of the boost function on the switching and conduction loss of the H7-CSI topology are investigated. A genetic algorithm has been introduced that makes it possible to optimize the H7-CSI's modulation index to minimize its power loss. Experimental results for the H7-CSI unit show that this optimization can reduce the power loss by 10.6%.
| Original language | English |
|---|---|
| Title of host publication | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 5200-5205 |
| Number of pages | 6 |
| ISBN (Electronic) | 9798350316445 |
| DOIs | |
| State | Published - 2023 |
| Externally published | Yes |
| Event | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States Duration: Oct 29 2023 → Nov 2 2023 |
Publication series
| Name | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
|---|
Conference
| Conference | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
|---|---|
| Country/Territory | United States |
| City | Nashville |
| Period | 10/29/23 → 11/2/23 |
Funding
ACKNOWLEDGMENT This material is based on work supported by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE) under the Vehicle Technologies Office (VTO), Award Number DE-EE0008704. The authors also gratefully acknowledge the support of the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC).
Keywords
- current source inverter (CSI)
- genetic algorithm
- silicon carbide (SiC)
- switching transient
- system loss
- voltage boost function
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