Harmonic measurement and analysis during electric vehicle charging

Mohd Zamri Che Wanik, Mohd Fadzil Mohd Siam, Afida Ayob, Subiyanto Subiyanto, Azah Mohamed, Abu Hanifah Azit, Saharuddin Sulaiman, Mohamed Azrin Mohamed Ali, Zahrul Faizi Hussien, Ahmad Kamil Mat Hussin

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents and describes harmonic measurement and analysis of studying harmonic propagation during electric vehicle (EV) charging. The measurement study is performed on a golf cart and two modern type of EVs. Harmonics from a single EV charging and a group of EV charging was measured. The voltage and current waveform during the charging was captured and analyzed to investigate the harmonic components that exist in the electrical system. Total current harmonic distortion (THDi) and total voltage harmonic distortion (THDi) were both calculated. Modern electric vehicles are found to release low THDi but higher THDv compared to a golf cart. On the measurement study during charging of a group of EV, it is found that the summation of THD is not linear with a number of vehicles. The finding of the study reveals that harmonic contamination from EV charging on electrical grid is not as critical as thought by most of power system researchers and engineers.
Original languageEnglish
JournalEngineering
Publication statusPublished - 2013
Externally publishedYes

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