Comparison of Models of Single-Phase Diode Bridge Rectifiers for Their Use in Harmonic Studies with Many Devices

Tatiano Busatto, Sarah K. Rönnberg and Math H. J. Bollen
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Tatiano Busatto: Electric Power Engineering, Luleå University of Technology, 931 87 Skelleftea, Sweden
Sarah K. Rönnberg: Electric Power Engineering, Luleå University of Technology, 931 87 Skelleftea, Sweden
Math H. J. Bollen: Electric Power Engineering, Luleå University of Technology, 931 87 Skelleftea, Sweden

Energies, 2021, vol. 15, issue 1, 1-15

Abstract: Harmonic modeling of low-voltage networks with many devices requires simple but accurate models. This paper investigates the advantages and drawbacks of such models to predict the current harmonics created by single-phase full-bridge rectifiers. An overview is given of the methods, limiting the focus to harmonic analysis. The error of each method, compared to an accurate numerical simulation model, is quantified in frequency and time domain considering realistic input scenarios, including background voltage distortion and different system impedances. The results of the comparison are used to discuss the applicability of the models depending on the harmonic studies scale and the required level of detail. It is concluded that all models have their applicability, but also limitations. From the simplest and fastest model, which does not require a numerical solution, to the more accurate one that allows discontinuous conduction mode to be included, the trade-off involves accuracy and computational complexity.

Keywords: power quality; power system harmonics; power electronics; harmonic analysis; nonlinear systems (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: 2021
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