Discontinuous PWM for Online Condition Monitoring of SiC Power Modules
| Autor: | Francesco Iannuzzo, Fernando Gonzalez-Hernando, Manuel Arias, Jon San-Sebastian, Alejandro Rujas |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
silicon carbide (SiC) power MOSFET reliability Computer science Settling time 020208 electrical & electronic engineering Energy Engineering and Power Technology Condition monitoring 02 engineering and technology 01 natural sciences Power (physics) Power module 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electronic engineering pulse width modulation inverters Inverter Junction temperature Electrical and Electronic Engineering Power MOSFET Pulse-width modulation |
| Zdroj: | Gonzalez-Hernando, F, San-Sebastian, J, Arias, M, Rujas, A & Iannuzzo, F 2020, ' Discontinuous PWM for Online Condition Monitoring of SiC Power Modules ', IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 1, 8887494, pp. 323-330 . https://doi.org/10.1109/JESTPE.2019.2950405 Scopus RUO. Repositorio Institucional de la Universidad de Oviedo instname |
| Popis: | This paper presents the utilization of discontinuous PWM modulation for the condition monitoring of SiC power MOSFETs switching at high switching frequencies in a threephase 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 discontinuous PWM modulation strategy is proposed. This way, the monitored device does not switch during 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. |
| Databáze: | OpenAIRE |
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