Citation
Khudher, Shaker Mahmood and Aris, Ishak and Mailah, Nashiren Farzilah and Sahbudin, Ratna Kalos Zakiah
(2017)
Analysis of AC - to - DC uncontrolled converters harmonics for electric vehicles applications.
Pertanika Journal of Science & Technology, 25 (spec. Feb.).
pp. 283-290.
ISSN 0128-7680; ESSN: 2231-8526
Abstract
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.
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