Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs
Interleaved converter legs are typically modulated with individual carriers per leg and phase-shifted pulse width modulation (PS-PWM) as it facilitates current balancing amongst the legs. Phase-disposition PWM (PD-PWM), despite the better harmonic performance, cannot be directly used due to the resu...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2020
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/140052 |
| _version_ | 1811680376088690688 |
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| author | Konstantinou, Georgios Capella, Gabriel J. Pou, Josep Ceballos, Salvador |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Konstantinou, Georgios Capella, Gabriel J. Pou, Josep Ceballos, Salvador |
| author_sort | Konstantinou, Georgios |
| collection | NTU |
| description | Interleaved converter legs are typically modulated with individual carriers per leg and phase-shifted pulse width modulation (PS-PWM) as it facilitates current balancing amongst the legs. Phase-disposition PWM (PD-PWM), despite the better harmonic performance, cannot be directly used due to the resulting current imbalance that may damage the converter. This paper addresses the current sharing issue and proposes a sorting algorithm implementation that enables single-carrier PD-PWM technique for interleaved two-level converter legs. An extension of the proposed algorithm through a switching state feedback loop, limiting the average switching frequency, is also developed. In both cases, the output current is of high quality and shared amongst the phase-legs, while the deviation between the phase-leg currents is well regulated. Simulation results demonstrate the general function of method for multiple interleaved legs as well as its current sharing capabilities for high-power applications. Experimental results from a low-power laboratory prototype validate the operation of the proposed approach. |
| first_indexed | 2024-10-01T03:24:04Z |
| format | Journal Article |
| id | ntu-10356/140052 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:24:04Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1400522021-01-14T08:21:13Z Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs Konstantinou, Georgios Capella, Gabriel J. Pou, Josep Ceballos, Salvador School of Electrical and Electronic Engineering Electrical Power Systems Integration Lab Energy Research Institute @ NTU (ERI@N) Engineering::Electrical and electronic engineering Interleaving Multilevel Converters (MMC) Interleaved converter legs are typically modulated with individual carriers per leg and phase-shifted pulse width modulation (PS-PWM) as it facilitates current balancing amongst the legs. Phase-disposition PWM (PD-PWM), despite the better harmonic performance, cannot be directly used due to the resulting current imbalance that may damage the converter. This paper addresses the current sharing issue and proposes a sorting algorithm implementation that enables single-carrier PD-PWM technique for interleaved two-level converter legs. An extension of the proposed algorithm through a switching state feedback loop, limiting the average switching frequency, is also developed. In both cases, the output current is of high quality and shared amongst the phase-legs, while the deviation between the phase-leg currents is well regulated. Simulation results demonstrate the general function of method for multiple interleaved legs as well as its current sharing capabilities for high-power applications. Experimental results from a low-power laboratory prototype validate the operation of the proposed approach. 2020-05-26T05:47:04Z 2020-05-26T05:47:04Z 2017 Journal Article Konstantinou, G., Capella, G. J., Pou, J., & Ceballos, S. (2018). Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs. IEEE Transactions on Industrial Electronics, 65(6), 4466-4474. doi:10.1109/TIE.2017.2767541 0278-0046 https://hdl.handle.net/10356/140052 10.1109/TIE.2017.2767541 2-s2.0-85032732147 6 65 4466 4474 en IEEE Transactions on Industrial Electronics © 2017 IEEE. All rights reserved. |
| spellingShingle | Engineering::Electrical and electronic engineering Interleaving Multilevel Converters (MMC) Konstantinou, Georgios Capella, Gabriel J. Pou, Josep Ceballos, Salvador Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title | Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title_full | Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title_fullStr | Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title_full_unstemmed | Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title_short | Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs |
| title_sort | single carrier phase disposition pwm techniques for multiple interleaved voltage source converter legs |
| topic | Engineering::Electrical and electronic engineering Interleaving Multilevel Converters (MMC) |
| url | https://hdl.handle.net/10356/140052 |
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