Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/143036
Title: A two-level coordinated voltage control scheme of electric vehicle chargers in low-voltage distribution networks
Authors: Wang, Yu
John, Thomas
Xiong, Binyu
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Wang, Y., John, T., & Xiong, B. (2019). A two-level coordinated voltage control scheme of electric vehicle chargers in low-voltage distribution networks. Electric Power Systems Research, 168, 218-227. doi:10.1016/j.epsr.2018.12.005
Journal: Electric Power Systems Research
Abstract: Nowadays, a growing number of plug-in electric vehicles are charged by electric vehicle chargers (EVCs) in low-voltage (LV) residential networks. Without proper control, the increasing charge demand together with high PV penetration will lead to severe voltage issues. In this paper, a two-level coordinated voltage control scheme of EVCs is proposed for voltage regulation in LV distribution networks. The proposed control scheme includes two coordinated levels to effectively utilize EVCs. In the higher level, the distributed voltage control based on consensus algorithm achieves equal utilization among EVCs for network voltage regulation. In the lower level, the localized power allocator determines the real and reactive power outputs, considering the power limits and charging requirements of each EVC. The entire control scheme ensures that the voltages along the distribution network are within the allowable voltage ranges while avoid affecting the users’ charging demand. The proposed control method is evaluated in a LV residential distribution network under various operation conditions. The simulation results validate the effectiveness of the proposed method.
URI: https://hdl.handle.net/10356/143036
ISSN: 0378-7796
DOI: 10.1016/j.epsr.2018.12.005
Rights: © 2018 Elsevier B.V. All rights reserved. This paper was published in Electric Power Systems Research and is made available with permission of Elsevier B.V.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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