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Determining the size of PHEV charging stations powered by commercial grid-integrated PV systems considering reactive power support

Hung, Duong Quoc, Dong, Zhao Yang and Trinh, Hieu 2016, Determining the size of PHEV charging stations powered by commercial grid-integrated PV systems considering reactive power support, Applied energy, vol. 183, pp. 160-169, doi: 10.1016/j.apenergy.2016.08.168.

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Title Determining the size of PHEV charging stations powered by commercial grid-integrated PV systems considering reactive power support
Author(s) Hung, Duong Quoc
Dong, Zhao Yang
Trinh, HieuORCID iD for Trinh, Hieu orcid.org/0000-0003-3438-9969
Journal name Applied energy
Volume number 183
Start page 160
End page 169
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-12-01
ISSN 0306-2619
1872-9118
Keyword(s) distributed generation
energy loss
plug-in hybrid electric vehicle
probabilistic reactive power
solar photovoltaic
time-varying commercial charging load model
Summary Due to low electricity rates at nighttime, home charging for electric vehicles (EVs) is conventionally favored. However, the recent tendency in support of daytime workplace charging that absorbs energy produced by solar photovoltaic (PV) panels appears to be the most promising solution to facilitating higher PV and EV penetration in the power grid. This paper studies optimal sizing of workplace charging stations considering probabilistic reactive power support for plug-in hybrid electric vehicles (PHEVs), which are powered by PV units in medium voltage (MV) commercial networks. In this study, analytical expressions are first presented to estimate the size of charging stations integrated with PV units with an objective of minimizing energy losses. These stations are capable of providing reactive power support to the main grid in addition to charging PHEVs while considering the probability of PV generation. The study is further extended to investigate the impact of time-varying voltage-dependent charging load models on PV penetration. The simulation results obtained on an 18-bus test distribution system show that various charging load models can produce dissimilar levels of PHEV and PV penetration. Particularly, the maximum energy loss and peak load reductions are achieved at 70.17% and 42.95% respectively for the mixed charging load model, where the system accommodates respective PHEV and PV penetration levels of 9.51% and 50%. The results of probabilistic voltage distributions are also thoroughly reported in the paper.
Language eng
DOI 10.1016/j.apenergy.2016.08.168
Field of Research 010203 Calculus of Variations, Systems Theory and Control Theory
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086164

Document type: Journal Article
Collection: School of Engineering
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