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http://dx.doi.org/10.5855/ENERGY.2020.29.3.074

Overload Analysis of Distribution Systems make use of PEVs Charging Modeling  

Choi, Sang-Bong (KERI Advanced Power Grid Research Center)
Lee, Jae-Jo (KERI ICT Center)
Sung, Back-Sub (Chosun University High-tech Industry-academic Campus)
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Abstract
This paper presents an algorithm that evaluated the overload influence by bus upon the distribution system by calculating the daily load curve of PEVs charging by bus based on the daily charging patterns of PEVs according to PEVs penetration scenarios. The proposed algorithm calculates the number of PEVs to estimate the number of households by bus; the probability density function of the charging start time of PEVs, considering driving characteristics of PEVs and the daily load curve of PEVs charging by bus considering battery characteristics according to PEVs penetration scenarios. To verify the evaluation of the overload influence by bus on the distribution system in terms of the proposed algorithm, the cases were reviewed on the target bus(apartment and detached houses) among the feeders of the distribution systems at Dongtan new-town in Korea.
Keywords
PEVs; Charging Modelling; Daily Load Curve; Overload; TOU Tarrif;
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