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| Content Provider | IET Digital Library |
|---|---|
| Author | Vemuganti, Hari Priya Sreenivasarao, Dharmavarapu Kumar, Ganjikunta Siva |
| Abstract | In recent times, reduced switch count multilevel inverter (RSC-MLI) has become an emerging area of research in power electronic converters. To control these RSC-MLI topologies, various novel modulation schemes are reported. Multi-reference is one of such modulation scheme reported for various RSC topologies, such as T-type. However, the performance of this conventional scheme results in high total harmonic distortion (THD) in line voltages, when compared with the conventional level shifted pulse-width modulation scheme. This observation is clearly presented in this study and the reason for its degraded THD performance has been deeply discussed. To alleviate this problem, a modified multi-reference dual-carrier modulation technique with multiple references and two carriers is proposed. To implement this proposed modulation technique, an alternate carrier and modulation signals arrangement with multiple carriers and single reference is also presented. Finally, a comparative THD performance of the proposed and conventional modulation schemes is carried out on a five-level T-type MLI and obtained simulation results are validated experimentally. |
| Starting Page | 968 |
| Ending Page | 976 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 10 |
| e-ISSN | 17554543 |
| Issue Number | Issue 8, Jun (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/10/8 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2016.0729 |
| Journal | IET Power Electronics |
| Publisher Date | 2017-03-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Harmonic Distortion High Total Harmonic Distortion Level Shifted Pulse-width Modulation Scheme Modified Multireference Dual-carrier Modulation Technique Power Electronic Converter Power Electronics Power Supply Pulse-width Modulation Scheme PWM Invertors Reduced Switch Count Multilevel Inverter Supervisory Circuit T-type Multilevel Inverter |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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