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Impact of Linear-PWM and MPC controllers on the power device losses in a grid-tied two-level inverter
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Gonzalez, Jose Ortiz, Perez-Estevez, Diego, Wu, Ruizhu, Doval-Gandoy, Jesus and Alatise, Olayiwola M. (2021) Impact of Linear-PWM and MPC controllers on the power device losses in a grid-tied two-level inverter. In: 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe), Ghent, Belgium, 6-10 Sep 2021. Published in: 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe) pp. 1-10. doi:10.23919/EPE21ECCEEurope50061.2021.9570585 ISSN 9789075815375.
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WRAP-Impact-linear-PWM-MPC-controllers-power-device-losses-grid-tied-two-level-inverter-2021.pdf - Accepted Version - Requires a PDF viewer. Download (613Kb) | Preview |
Official URL: https://doi.org/10.23919/EPE21ECCEEurope50061.2021...
Abstract
This paper presents a comparative analysis of the estimated power losses and device junction temperatures in a two-level grid-tied converter commanded by a linear current controller with a pulse-with-modulator (PWM) or a finite-control-set (FCS) model predictive controller (MPC). This analysis is performed for two points of operation: (a) converter delivering only active power to the grid, (b) exchanging capacitive-reactive power with the grid (STATCOM). Using an electrothermal model based on the firing signals and measured converter currents, the simulation results show the important role of the operating point and control methodology of the converter losses and device junction temperature excursions. The results show that using the MPC controller improves the converter performance when the converter delivers only active power to the grid. In the case of STATCOM operation the total losses are similar, but there is a relative increase of the losses on the diodes. The use of SiC Schottky diodes has been evaluated, with an improvement of the converter performance for both controllers.
Item Type: | Conference Item (Paper) | |||||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
Library of Congress Subject Headings (LCSH): | Predictive control, Pulse-code modulation, Pulse modulation (Electronics), Electric inverters, Power semiconductors , Industrial electronics | |||||||||
Journal or Publication Title: | 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe) | |||||||||
Publisher: | IEEE | |||||||||
ISSN: | 9789075815375 | |||||||||
Official Date: | 25 November 2021 | |||||||||
Dates: |
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Page Range: | pp. 1-10 | |||||||||
DOI: | 10.23919/EPE21ECCEEurope50061.2021.9570585 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Reuse Statement (publisher, data, author rights): | © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 24 November 2021 | |||||||||
Date of first compliant Open Access: | 26 November 2021 | |||||||||
RIOXX Funder/Project Grant: |
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Conference Paper Type: | Paper | |||||||||
Title of Event: | 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe) | |||||||||
Type of Event: | Conference | |||||||||
Location of Event: | Ghent, Belgium | |||||||||
Date(s) of Event: | 6-10 Sep 2021 | |||||||||
Related URLs: |
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