Abstract
DC-link capacitors in high-power converters are most susceptible to degradation from self heating due to the fact that its current contains large switching-frequency ripple. To mitigate DC-link current ripples of three-phase neutral point clamped (NPC) converters, a novel phase-disposition (PD) pulse width modulation (PWM) is proposed by mixing several variants of existing PD schemes. Comprehensive analysis of both bipolar and unipolar modulation schemes are performed. Both numerical simulations and hardware experiments are conducted to illustrate the effectiveness of the proposed mixed PD modulation schemes.
| Original language | English |
|---|---|
| Title of host publication | 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781665478151 |
| DOIs | |
| State | Published - 2022 |
| Externally published | Yes |
| Event | 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 - Detroit, United States Duration: 09 10 2022 → 14 10 2022 |
Publication series
| Name | Conference Record - IAS Annual Meeting (IEEE Industry Applications Society) |
|---|---|
| Volume | 2022-October |
| ISSN (Print) | 0197-2618 |
Conference
| Conference | 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 |
|---|---|
| Country/Territory | United States |
| City | Detroit |
| Period | 09/10/22 → 14/10/22 |
Bibliographical note
Publisher Copyright:© 2022 IEEE.
Keywords
- DC-link current ripple mitigation
- carrier-based PWM
- neutral-point clamped (NPC) converters
- phase disposition
- zero sequence injection
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