Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Parameter Estimation of a Single-Phase Boost PFC Converter with EMI Filter based on an Optimization Algorithm

Version 1 : Received: 20 April 2021 / Approved: 22 April 2021 / Online: 22 April 2021 (20:53:40 CEST)

How to cite: Rojas-Dueñas, G.; Riba, J.; Moreno-Eguilaz, M. Parameter Estimation of a Single-Phase Boost PFC Converter with EMI Filter based on an Optimization Algorithm. Preprints 2021, 2021040617 (doi: 10.20944/preprints202104.0617.v1). Rojas-Dueñas, G.; Riba, J.; Moreno-Eguilaz, M. Parameter Estimation of a Single-Phase Boost PFC Converter with EMI Filter based on an Optimization Algorithm. Preprints 2021, 2021040617 (doi: 10.20944/preprints202104.0617.v1).

Abstract

This paper proposes an approach to estimate the parameters of an AC-DC boost power factor corrector converter which includes an EMI filter. To this end, once the topology is known, measurements at the input and output terminals of the converter are done to identify the values of the passive elements. The proposed methodology is based on the trust-region nonlinear least squares algorithm to identify the parameters of the converter. The steady-state and the transient signals of the converter at the input/output terminals are acquired non-intrusively without any internal modification of the circuitry. The accuracy of the parameter identification carried out is determined by comparing the estimated values with the actual values provided by the manufacturer, and by contrasting the measured signals with the ones obtained with a simulation model with the estimated values of the parameters. The results presented in this paper prove the accuracy of the proposed approach, which can be extended to other power converters and filters.

Subject Areas

power factor correction; EMI filter; parameter identification; boost converter

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