Discontinuous PWM for Online Condition Monitoring of SiC Power Modules

Fernando Gonzalez-Hernando; Jon San-Sebastian; Manuel Arias; Alejandro Rujas; Francesco Iannuzzo

doi:10.1109/JESTPE.2019.2950405

Discontinuous PWM for Online Condition Monitoring of SiC Power Modules

Fernando Gonzalez-Hernando^*, Jon San-Sebastian, Manuel Arias, Alejandro Rujas, Francesco Iannuzzo

^*Kontaktforfatter

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

12 Citationer (Scopus)

119 Downloads (Pure)

Abstract

This article presents the utilization of DPWM for the online condition monitoring of SiC power MOSFET switching at high switching frequencies in a three-phase inverter prototype. Due to the settling time imposed by the monitoring system, accurate measurements require low switching frequency and high modulation indexes when monitoring. To overcome these limitations, a DPWM strategy is proposed. This way, the monitored device does not switch during a certain time, and hence, the accuracy of the measurements is not compromised. The effect of the alteration of the modulation is analyzed in terms of power losses and current ripple, comparing the traditional with the proposed modulation. Moreover, online monitoring results performed in a SiC-based inverter prototype in different operating points are presented. An RDS-based thermal model is presented in order to estimate online the junction temperature.

Originalsprog	Engelsk
Artikelnummer	8887494
Tidsskrift	IEEE Journal of Emerging and Selected Topics in Power Electronics
Vol/bind	8
Udgave nummer	1
Sider (fra-til)	323-330
Antal sider	8
ISSN	2168-6777
DOI	https://doi.org/10.1109/JESTPE.2019.2950405
Status	Udgivet - 2020

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Publisher Copyright:
© 2019 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.

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10.1109/JESTPE.2019.2950405

Open Access ManuscriptAccepteret manuskript, 4,07 MBLicens: CC BY 4.0

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Center Of Reliable Power Electronics (CORPE)
Blaabjerg, F., Munk-Nielsen, S., Pedersen, K. & Popok, V.
01/04/2011 → 31/12/2016
Projekter: Projekt › Forskning

Citationsformater

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title = "Discontinuous PWM for Online Condition Monitoring of SiC Power Modules",

abstract = "This article presents the utilization of DPWM for the online condition monitoring of SiC power MOSFET switching at high switching frequencies in a three-phase inverter prototype. Due to the settling time imposed by the monitoring system, accurate measurements require low switching frequency and high modulation indexes when monitoring. To overcome these limitations, a DPWM strategy is proposed. This way, the monitored device does not switch during a certain time, and hence, the accuracy of the measurements is not compromised. The effect of the alteration of the modulation is analyzed in terms of power losses and current ripple, comparing the traditional with the proposed modulation. Moreover, online monitoring results performed in a SiC-based inverter prototype in different operating points are presented. An RDS-based thermal model is presented in order to estimate online the junction temperature.",

keywords = "Condition monitoring, power MOSFET, pulse width modulation inverters, reliability, silicon carbide (SiC)",

author = "Fernando Gonzalez-Hernando and Jon San-Sebastian and Manuel Arias and Alejandro Rujas and Francesco Iannuzzo",

note = "Publisher Copyright: {\textcopyright} 2019 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. ",

year = "2020",

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AU - Gonzalez-Hernando, Fernando

AU - San-Sebastian, Jon

AU - Arias, Manuel

AU - Rujas, Alejandro

AU - Iannuzzo, Francesco

N1 - Publisher Copyright: © 2019 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.

PY - 2020

Y1 - 2020

N2 - This article presents the utilization of DPWM for the online condition monitoring of SiC power MOSFET switching at high switching frequencies in a three-phase inverter prototype. Due to the settling time imposed by the monitoring system, accurate measurements require low switching frequency and high modulation indexes when monitoring. To overcome these limitations, a DPWM strategy is proposed. This way, the monitored device does not switch during a certain time, and hence, the accuracy of the measurements is not compromised. The effect of the alteration of the modulation is analyzed in terms of power losses and current ripple, comparing the traditional with the proposed modulation. Moreover, online monitoring results performed in a SiC-based inverter prototype in different operating points are presented. An RDS-based thermal model is presented in order to estimate online the junction temperature.

AB - This article presents the utilization of DPWM for the online condition monitoring of SiC power MOSFET switching at high switching frequencies in a three-phase inverter prototype. Due to the settling time imposed by the monitoring system, accurate measurements require low switching frequency and high modulation indexes when monitoring. To overcome these limitations, a DPWM strategy is proposed. This way, the monitored device does not switch during a certain time, and hence, the accuracy of the measurements is not compromised. The effect of the alteration of the modulation is analyzed in terms of power losses and current ripple, comparing the traditional with the proposed modulation. Moreover, online monitoring results performed in a SiC-based inverter prototype in different operating points are presented. An RDS-based thermal model is presented in order to estimate online the junction temperature.

KW - Condition monitoring

KW - power MOSFET

KW - pulse width modulation inverters

KW - reliability

KW - silicon carbide (SiC)

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SN - 2168-6777

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SP - 323

EP - 330

JO - IEEE Journal of Emerging and Selected Topics in Power Electronics

JF - IEEE Journal of Emerging and Selected Topics in Power Electronics

IS - 1

M1 - 8887494

ER -

Discontinuous PWM for Online Condition Monitoring of SiC Power Modules

Abstract

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Projekter

Center Of Reliable Power Electronics (CORPE)

Citationsformater