e-ISSN 2231-8526
ISSN 0128-7680

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Analysis of AC - to - DC Uncontrolled Converters Harmonics for Electric Vehicles Applications

Shaker M. Khudher, Ishak Bin Aris, Nashiren F. Mailah and R. K .Z. Sahbudin

Pertanika Journal of Science & Technology, Volume 25, Issue S, February 2017

Keywords: Harmonic analysis, AC to DC converters, electric vehicles

Published on: 09 May 2017

This paper discusses the harmonic analysis of the AC-to-DC uncontrolled converters commonly used in electric vehicles charging station. The aim of this paper is to model and simulate different rectifier models in addition to explaining the differences in input current harmonics, the total Harmonic Distortion (THD) as well as the power factor (pf). The converter configurations include single-phase bridge, 6-pulse and 12-pulse rectifier circuits. The single phase is normally used for electric scooter charging, while three-phase converters can be used for both electric bus and car charging. The circuit configurations of the rectifiers were modelled and simulated using Matlab R2014a to achieve the objective of the study. The results revealed that the THD levels were extremely high which is unacceptable if the system is connected to the utility grid.

ISSN 0128-7680

e-ISSN 2231-8526

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