Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter
Power loss reduction is one of the main objectives in power electronic system design for achieving higher efficiencies and enhancing system reliability. In this regard, this paper aims to develop a variable switching frequency hybrid pulse width modulation (VSF-HPWM) method to maximize loss saving w...
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Online Access: | http://umpir.ump.edu.my/id/eprint/27240/1/Variable%20switching%20frequency%20hybrid%20PWM%20technique%20for%20switching.pdf http://umpir.ump.edu.my/id/eprint/27240/ https://doi.org/10.1016/j.measurement.2019.107192 https://doi.org/10.1016/j.measurement.2019.107192 |
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my.ump.umpir.272402020-08-04T01:40:39Z http://umpir.ump.edu.my/id/eprint/27240/ Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter Anas, Ibrahim Muhamad Zahim, Sujod TK Electrical engineering. Electronics Nuclear engineering Power loss reduction is one of the main objectives in power electronic system design for achieving higher efficiencies and enhancing system reliability. In this regard, this paper aims to develop a variable switching frequency hybrid pulse width modulation (VSF-HPWM) method to maximize loss saving while maintaining the same current total harmonic distortion (THD) of the conventional scheme. In doing so, this technique utilizes the modulation signal and the switching frequency simultaneously. Using a predefined mathematical representation of current ripple in every switching cycle, the modulating signal (either discontinuous or conventional space vector modulation) with lower RMS current ripple is applied. Meanwhile, the number of commutations under the constrains of constant RMS ripple is reduced by varying the switching frequency. The performance analysis is validated through MATLAB Simulink which shows that the proposed strategy can save up to 53% of switching losses with a similar THD of the conventional scheme. Elsevier Ltd 2020-02 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/27240/1/Variable%20switching%20frequency%20hybrid%20PWM%20technique%20for%20switching.pdf Anas, Ibrahim and Muhamad Zahim, Sujod (2020) Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter. Measurement, 151 (107192). pp. 1-8. ISSN 0263-2241 https://doi.org/10.1016/j.measurement.2019.107192 https://doi.org/10.1016/j.measurement.2019.107192 |
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TK Electrical engineering. Electronics Nuclear engineering Anas, Ibrahim Muhamad Zahim, Sujod Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
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Power loss reduction is one of the main objectives in power electronic system design for achieving higher efficiencies and enhancing system reliability. In this regard, this paper aims to develop a variable switching frequency hybrid pulse width modulation (VSF-HPWM) method to maximize loss saving while maintaining the same current total harmonic distortion (THD) of the conventional scheme. In doing so, this technique utilizes the modulation signal and the switching frequency simultaneously. Using a predefined mathematical representation of current ripple in every switching cycle, the modulating signal (either discontinuous or conventional space vector modulation) with lower RMS current ripple is applied. Meanwhile, the number of commutations under the constrains of constant RMS ripple is reduced by varying the switching frequency. The performance analysis is validated through MATLAB Simulink which shows that the proposed strategy can save up to 53% of switching losses with a similar THD of the conventional scheme. |
format |
Article |
author |
Anas, Ibrahim Muhamad Zahim, Sujod |
author_facet |
Anas, Ibrahim Muhamad Zahim, Sujod |
author_sort |
Anas, Ibrahim |
title |
Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
title_short |
Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
title_full |
Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
title_fullStr |
Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
title_full_unstemmed |
Variable switching frequency hybrid PWM technique for switching loss reduction in a three-phase two-level voltage source inverter |
title_sort |
variable switching frequency hybrid pwm technique for switching loss reduction in a three-phase two-level voltage source inverter |
publisher |
Elsevier Ltd |
publishDate |
2020 |
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http://umpir.ump.edu.my/id/eprint/27240/1/Variable%20switching%20frequency%20hybrid%20PWM%20technique%20for%20switching.pdf http://umpir.ump.edu.my/id/eprint/27240/ https://doi.org/10.1016/j.measurement.2019.107192 https://doi.org/10.1016/j.measurement.2019.107192 |
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