Total Frequency Spread: A New Metric to Assess the Switching Frequency Spread of FCS-MPC

Thiago Tricarico, João Adolpho Costa, Danilo Herrera, Eduardo Galván-Díez, Juan M. Carrasco and Mauricio Aredes
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Thiago Tricarico: Electrical Engineering Department, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
João Adolpho Costa: Electrical Engineering Department, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
Danilo Herrera: Departamento de Tecnología Electrónica, Universidad de Sevilla, 41012 Sevilla, Spain
Eduardo Galván-Díez: Departamento de Tecnología Electrónica, Universidad de Sevilla, 41012 Sevilla, Spain
Juan M. Carrasco: Departamento de Tecnología Electrónica, Universidad de Sevilla, 41012 Sevilla, Spain
Mauricio Aredes: Electrical Engineering Department, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil

Energies, 2022, vol. 15, issue 14, 1-20

Abstract: This work proposes a metric to assess the spread of the switching frequency profile of power converters, focusing on Finite Control Set-Model-Predictive-Control (FCS-MPC)-based converters, and analyses the effect of the filter sizing, sampling period, and cost function on the switching frequency spread. An algorithm that estimates the instantaneous switching frequency is the basis of the proposed metric. The literature review shows that only two metrics, THD and average switching frequency, are used to assess the switching frequency of FCS-MPC, but the findings of this research show that both are insufficient to characterize FCS-MPC. The main contribution of this paper is that now researchers can quantitatively assess the switching frequency spread of FCS-MPC through the proposed metric.

Keywords: FCS-MPC; switching frequency spread; switching frequency estimation; total frequency spread (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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