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http://dx.doi.org/10.5370/KIEE.2014.63.6.738

Effect of Harmonics and High-Frequency on OLEV System in Distribution Power System  

Choi, Seong-Ho (Dept. of Electrical Engineering, Soongsil University)
Huh, Jae-Sun (Dept. of Electrical Engineering, Soongsil University)
Han, Woon-Ki (Korea Electric Safety Corporation)
Kim, Jae-Chul (Dept. of Electrical Engineering, Soongsil University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.6, 2014 , pp. 738-745 More about this Journal
Abstract
Recently, various measures have been discussed for overcoming depletion of fossil fuels and environmental pollution. One of the measures is electric vehicles. But electric vehicles has some limitations from high cost of battery and low efficiency, so operation distance of electric cars is limited. Also there are difficulties that charging lines should be connected by an electric car whenever it charges. Thus, many studies have been conducted to overcome the limitation using conventional batteries of electric vehicles. As a result, the OLEV(On-Line Electric Vehicle) was developed. But the OLEV system is some limitations. The OLEV system causes power quality problems when it charges. Power quality problem cannot be ignored because OLEV systems are closely connected by distribution grids. In this paper, the OLEV system is designed by using PSCAD/EMTDC, and the power quality is measured and evaluated. Power quality is divided by two cases; harmonics and high-frequency. Harmonics were evaluated according to IEEE Std. 519-1992. But the evaluation of High-frequency could not take it because there was no standard. For this reason, the data measured by OLEV system was compared with the EN50065 regulation.
Keywords
OLEV; On-line electric vehicles; Power quality; Harmonics; High-frequency analysis;
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