Emission assessment of single-phase switch-mode PFC loads up to 150 kHz: Experimental analysis and modelling

Abstract

The ongoing integration of new power electronic interfaces is increasing emissions in the frequency range between 2 and 150 kHz. This paper considers the emission assessment from 0 to 150 kHz of the switch-mode power factor correction converter topologies widely utilised in modern single-phase loads. First, experimental analysis of a load constituted by a variable switching frequency converter is performed to introduce modelling considerations and proposals for the extended frequency range. Then, a full circuit time domain model of the considered load is developed. Following this, a fast and accurate hybrid modelling technique which simultaneously models the low frequency (f < 2 kHz) and high frequency (2 <= f < 150 kHz) emissions is presented. The proposed hybrid technique can be readily applied to a range of topologies and control algorithms and easily integrated in Iterative Harmonic Analysis for system level analysis of distortion up to 150 kHz.

The ongoing integration of new power electronic interfaces is increasing emissions in the frequency range between 2 and 150 kHz. This paper considers the emission assessment from 0 to 150 kHz of the switch-mode power factor correction converter topologies widely utilised in modern single-phase loads. First, experimental analysis of a load constituted by a variable switching frequency converter is performed to introduce modelling considerations and proposals for the extended frequency range. Then, a full circuit time domain model of the considered load is developed. Following this, a fast and accurate hybrid modelling technique which simultaneously models the low frequency (f < 2 kHz) and high frequency (2 <= f < 150 kHz) emissions is presented. The proposed hybrid technique can be readily applied to a range of topologies and control algorithms and easily integrated in Iterative Harmonic Analysis for system level analysis of distortion up to 150 kHz.