Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage
Reducing current harmonics and common mode voltage (CMV) holds highest importance for six-phase electric vehicles, as it not only prolongs the lifespan of crucial components but also significantly enhances overall vehicle performance, operational efficiency and improved thermal management. This arti...
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IEEE
2024-01-01
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| Series: | IEEE Open Journal of the Industrial Electronics Society |
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| Online Access: | https://ieeexplore.ieee.org/document/10783444/ |
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| author | Kotb B. Tawfiq Hatem Zeineldin Ahmed Al-Durra Ehab F. El-Saadany |
| author_facet | Kotb B. Tawfiq Hatem Zeineldin Ahmed Al-Durra Ehab F. El-Saadany |
| author_sort | Kotb B. Tawfiq |
| collection | DOAJ |
| description | Reducing current harmonics and common mode voltage (CMV) holds highest importance for six-phase electric vehicles, as it not only prolongs the lifespan of crucial components but also significantly enhances overall vehicle performance, operational efficiency and improved thermal management. This article introduces an innovative switching sequence for space vector pulsewidth modulation (SVPWM) in six-phase inverters, aimed at significantly reducing CMV and total harmonic distortion (THD) of phase currents. The proposed method optimally selects switching states with minimal and/or zero CMV and ensures balanced distribution in the <inline-formula><tex-math notation="LaTeX">$x - y$</tex-math></inline-formula> subspace, resulting in null <inline-formula><tex-math notation="LaTeX">$x - y$</tex-math></inline-formula> voltage and current components. Comparative analysis was conducted against two existing SVPWM techniques: reference SVPWM sequence-1 (RSVM1), known for the lowest THD but highest CMV, and six-phase discontinuous CMV sequence-2-A2 (6Φ-DCMV2-A2), which has the lowest CMV but higher THD. Experimental setups and MATLAB simulations validated the findings. The proposed SVPWM demonstrates a CMV reduction of 23.86% and 89.42% compared to RSVM1 at modulation indices of 0.9 and 0.1, respectively. It also achieves the lowest THD, being 16.67% and 36.72% lower than 6Φ-DCMV2-A2 for asymmetrical six-phase induction motors and R-L load, respectively. Furthermore, the three SVPWM techniques showed comparable conduction, switching, and overall inverter losses. |
| format | Article |
| id | doaj-art-22711d2e86854817836e28d3e3dc4400 |
| institution | Kabale University |
| issn | 2644-1284 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Open Journal of the Industrial Electronics Society |
| spelling | doaj-art-22711d2e86854817836e28d3e3dc44002025-01-17T00:01:14ZengIEEEIEEE Open Journal of the Industrial Electronics Society2644-12842024-01-0151339135210.1109/OJIES.2024.351258810783444Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode VoltageKotb B. Tawfiq0https://orcid.org/0000-0002-4261-6087Hatem Zeineldin1https://orcid.org/0000-0003-1500-1260Ahmed Al-Durra2https://orcid.org/0000-0002-6629-5134Ehab F. El-Saadany3https://orcid.org/0000-0003-0172-0686Advanced Power and Energy Center, Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAEAdvanced Power and Energy Center, Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAEAdvanced Power and Energy Center, Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAEAdvanced Power and Energy Center, Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAEReducing current harmonics and common mode voltage (CMV) holds highest importance for six-phase electric vehicles, as it not only prolongs the lifespan of crucial components but also significantly enhances overall vehicle performance, operational efficiency and improved thermal management. This article introduces an innovative switching sequence for space vector pulsewidth modulation (SVPWM) in six-phase inverters, aimed at significantly reducing CMV and total harmonic distortion (THD) of phase currents. The proposed method optimally selects switching states with minimal and/or zero CMV and ensures balanced distribution in the <inline-formula><tex-math notation="LaTeX">$x - y$</tex-math></inline-formula> subspace, resulting in null <inline-formula><tex-math notation="LaTeX">$x - y$</tex-math></inline-formula> voltage and current components. Comparative analysis was conducted against two existing SVPWM techniques: reference SVPWM sequence-1 (RSVM1), known for the lowest THD but highest CMV, and six-phase discontinuous CMV sequence-2-A2 (6Φ-DCMV2-A2), which has the lowest CMV but higher THD. Experimental setups and MATLAB simulations validated the findings. The proposed SVPWM demonstrates a CMV reduction of 23.86% and 89.42% compared to RSVM1 at modulation indices of 0.9 and 0.1, respectively. It also achieves the lowest THD, being 16.67% and 36.72% lower than 6Φ-DCMV2-A2 for asymmetrical six-phase induction motors and R-L load, respectively. Furthermore, the three SVPWM techniques showed comparable conduction, switching, and overall inverter losses.https://ieeexplore.ieee.org/document/10783444/Common mode voltage (CMV)electric vehicles (EVs)new space vector pulsewidth modulation (SVPWM)six-phase invertertotal harmonic distortion (THD) and inverter losses |
| spellingShingle | Kotb B. Tawfiq Hatem Zeineldin Ahmed Al-Durra Ehab F. El-Saadany Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage IEEE Open Journal of the Industrial Electronics Society Common mode voltage (CMV) electric vehicles (EVs) new space vector pulsewidth modulation (SVPWM) six-phase inverter total harmonic distortion (THD) and inverter losses |
| title | Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage |
| title_full | Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage |
| title_fullStr | Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage |
| title_full_unstemmed | Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage |
| title_short | Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage |
| title_sort | enhanced svpwm techniques for six phase inverters mitigation of current harmonics and common mode voltage |
| topic | Common mode voltage (CMV) electric vehicles (EVs) new space vector pulsewidth modulation (SVPWM) six-phase inverter total harmonic distortion (THD) and inverter losses |
| url | https://ieeexplore.ieee.org/document/10783444/ |
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